Mika Brunold, the 21-year-old Swiss home player ranked around 423 with a career-high of 289, faces 31-year-old Frenchman Calvin Hemery (No. 326, career high 116) in the ATP Challenger 50 Open de Sion on outdoor clay. The matchup is tightly contested in trader consensus, with both players showing recent Challenger-level form—Brunold reaching the Lugano semifinal and Hemery advancing to the Troyes semifinal in July. Hemery holds a 1-0 head-to-head edge on clay from their prior meeting, while Brunold benefits from local support and familiarity with Swiss clay conditions. No confirmed injuries or withdrawals have altered the field, keeping the focus on serve consistency, return play, and adaptation to the altitude and surface pace in this early-round encounter.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · UpdatedThis market refers to the tennis match between Mika Brunold and Calvin Hemery in the Sion, originally scheduled for August 19, 2026 at 4:00AM ET.
This market will resolve to 'Mika Brunold' if Mika Brunold advances against Calvin Hemery.
This market will resolve to 'Calvin Hemery' if Calvin Hemery advances against Mika Brunold.
If the match is canceled (not played at all), ends in a tie, or is delayed beyond 7 days from the scheduled date without a winner determined, this market will resolve to 50-50.
If the match begins but is not completed, and one player advances due to the opponent's retirement, default, or disqualification, this market will resolve to the player who advances.
If the match ends in a walkover (player withdraws before the start and the other advances automatically), this market will resolve to 50-50.
The primary resolution source will be official information from the ATP Tour. A consensus of credible reporting may also be used.This market refers to the tennis match between Mika Brunold and Calvin Hemery in the Sion, originally scheduled for August 19, 2026 at 4:00AM ET. This market will resolve to "Yes" if all games and sets required to determine a match winner under governing body or event organizer rules are played to completion through normal play. Otherwise, if the match is not completed for any reason, it will resolve to "No." If a forfeit of any kind occurs, including but not limited to a walkover or retirement, this market will resolve "No." If the match is canceled (not played at all), ends in a tie, or is delayed beyond 7 days from the scheduled date without a winner determined, this market will resolve to "No." The primary resolution source for this market is the official statistics of the event as recognized by the governing body or event organizers. However, if the governing body or event organizers have not published final match statistics within 2 hours after the event's conclusion, a consensus of credible reporting may be used instead.This market refers to the tennis match between Mika Brunold and Calvin Hemery in the Sion, originally scheduled for August 19, 2026 at 4:00AM ET.
This market will resolve to "Over" if the total number of games completed across all sets equals or exceeds 22. Otherwise, it will resolve to "Under."
All tiebreaks—including any Champions/Super tiebreak—count as one (1) game toward the total.
If the match begins but is not completed, this market will resolve 50-50. If the match is canceled before play begins or delayed beyond 7 days from the scheduled date without a result, this market will also resolve 50-50.
Resolution will be based on official Challenger statistics.This market refers to the tennis match between Mika Brunold and Calvin Hemery in the Sion, originally scheduled for August 19, 2026 at 4:00AM ET.
This market will resolve to “Brunold” if Mika Brunold wins the first set. It will resolve to “Hemery” if Calvin Hemery wins the first set.
If the match begins but is not completed, and the first set is concluded with a winner determined, this market will resolve based on that completed set. If the first set is not completed for any reason, this market will resolve 50-50.
If the match is canceled (not played at all) or is delayed beyond 7 days from the scheduled date without play beginning, this market will resolve 50-50.
Resolution will be based on official Challenger match statistics.This market refers to the tennis match between Mika Brunold and Calvin Hemery in the Sion, originally scheduled for August 19, 2026 at 4:00AM ET.
This market will resolve to “Brunold” if Mika Brunold wins set 2. It will resolve to “Hemery” if Calvin Hemery wins set 2.
If the match begins but set 2 is not completed with a winner determined (including the match ending before set 2 is reached), this market will resolve 50-50.
If the match is canceled (not played at all) or is delayed beyond 7 days from the scheduled date without play beginning, this market will resolve 50-50.
Resolution will be based on official Challenger match statistics.This market refers to the tennis match between Mika Brunold and Calvin Hemery in the Sion, originally scheduled for August 19, 2026 at 4:00AM ET.
This market will resolve to "Over" if the total number of sets completed equals or exceeds 3. Otherwise, it will resolve to "Under."
A super tie breaker is considered as one (1) set for total set markets.
If the match begins but is not completed, this market will resolve 50-50. If the match is canceled before play begins or delayed beyond 7 days from the scheduled date without a result, this market will also resolve 50-50.
Resolution will be based on official Challenger statistics.This market refers to the tennis match between Mika Brunold and Calvin Hemery in the Sion, originally scheduled for August 19, 2026 at 4:00AM ET.
This market will resolve to "Brunold" if Mika Brunold wins by 2 or more sets than Calvin Hemery, based on the final completed score. Otherwise, it will resolve to "Hemery."
If the match begins but is not completed, this market will resolve 50-50. If the match is canceled before play begins or delayed beyond 7 days from the scheduled date without a result, this market will also resolve 50-50.
Resolution will be based on official Challenger results.This market refers to the tennis match between Mika Brunold and Calvin Hemery in the Sion, originally scheduled for August 19, 2026 at 4:00AM ET.
This market will resolve to "Over" if the total number of games completed across all sets equals or exceeds 23. Otherwise, it will resolve to "Under."
All tiebreaks—including any Champions/Super tiebreak—count as one (1) game toward the total.
If the match begins but is not completed, this market will resolve 50-50. If the match is canceled before play begins or delayed beyond 7 days from the scheduled date without a result, this market will also resolve 50-50.
Resolution will be based on official Challenger statistics.This market refers to the tennis match between Calvin Hemery and Mika Brunold in the Sion, originally scheduled for August 19, 2026 at 4:00AM ET.
This market will resolve to "Hemery" if Calvin Hemery wins by 2 or more sets than Mika Brunold, based on the final completed score. Otherwise, it will resolve to "Brunold."
If the match begins but is not completed, this market will resolve 50-50. If the match is canceled before play begins or delayed beyond 7 days from the scheduled date without a result, this market will also resolve 50-50.
Resolution will be based on official Challenger results.This market refers to the tennis match between Mika Brunold and Calvin Hemery in the Sion, originally scheduled for August 19, 2026 at 4:00AM ET.
This market will resolve to "Over" if the total number of games completed across all sets equals or exceeds 24. Otherwise, it will resolve to "Under."
All tiebreaks—including any Champions/Super tiebreak—count as one (1) game toward the total.
If the match begins but is not completed, this market will resolve 50-50. If the match is canceled before play begins or delayed beyond 7 days from the scheduled date without a result, this market will also resolve 50-50.
Resolution will be based on official Challenger statistics.This market refers to the tennis match between Mika Brunold and Calvin Hemery in the Sion, originally scheduled for August 19, 2026 at 4:00AM ET.
This market will resolve to "Over" if the total number of games completed in the first set equals or exceeds 9. Otherwise, it will resolve to "Under."
Any first-set tiebreak counts as one (1) game toward the total.
If the first set is not completed for any reason, this market will resolve 50-50. If the match is canceled before play begins, or delayed beyond 7 days without commencement, this market will also resolve 50-50.
Resolution will be based on official Challenger results.This market refers to the tennis match between Mika Brunold and Calvin Hemery in the Sion, originally scheduled for August 19, 2026 at 4:00AM ET.
This market will resolve to "Over" if the total number of games completed in set 2 equals or exceeds 9. Otherwise, it will resolve to "Under."
Any tiebreak in set 2 counts as one (1) game toward the total.
If set 2 is not completed for any reason (including the match ending before set 2 is reached), this market will resolve 50-50. If the match is canceled before play begins, or delayed beyond 7 days without commencement, this market will also resolve 50-50.
Resolution will be based on official Challenger results.This market refers to the tennis match between Mika Brunold and Calvin Hemery in the Sion, originally scheduled for August 19, 2026 at 4:00AM ET.
This market will resolve to "Over" if the total number of games completed in set 2 equals or exceeds 10. Otherwise, it will resolve to "Under."
Any tiebreak in set 2 counts as one (1) game toward the total.
If set 2 is not completed for any reason (including the match ending before set 2 is reached), this market will resolve 50-50. If the match is canceled before play begins, or delayed beyond 7 days without commencement, this market will also resolve 50-50.
Resolution will be based on official Challenger results.This market refers to the tennis match between Mika Brunold and Calvin Hemery in the Sion, originally scheduled for August 19, 2026 at 4:00AM ET.
This market will resolve to "Over" if the total number of games completed in the first set equals or exceeds 10. Otherwise, it will resolve to "Under."
Any first-set tiebreak counts as one (1) game toward the total.
If the first set is not completed for any reason, this market will resolve 50-50. If the match is canceled before play begins, or delayed beyond 7 days without commencement, this market will also resolve 50-50.
Resolution will be based on official Challenger results.This market refers to the tennis match between Mika Brunold and Calvin Hemery in the Sion, originally scheduled for August 19, 2026 at 4:00AM ET.
This market will resolve to "Over" if the total number of games completed in the first set equals or exceeds 11. Otherwise, it will resolve to "Under."
Any first-set tiebreak counts as one (1) game toward the total.
If the first set is not completed for any reason, this market will resolve 50-50. If the match is canceled before play begins, or delayed beyond 7 days without commencement, this market will also resolve 50-50.
Resolution will be based on official Challenger results.This market refers to the tennis match between Mika Brunold and Calvin Hemery in the Sion, originally scheduled for August 19, 2026 at 4:00AM ET.
This market will resolve to "Over" if the total number of games completed in set 2 equals or exceeds 11. Otherwise, it will resolve to "Under."
Any tiebreak in set 2 counts as one (1) game toward the total.
If set 2 is not completed for any reason (including the match ending before set 2 is reached), this market will resolve 50-50. If the match is canceled before play begins, or delayed beyond 7 days without commencement, this market will also resolve 50-50.
Resolution will be based on official Challenger results.Mika Brunold, the 21-year-old Swiss home player ranked around 423 with a career-high of 289, faces 31-year-old Frenchman Calvin Hemery (No. 326, career high 116) in the ATP Challenger 50 Open de Sion on outdoor clay. The matchup is tightly contested in trader consensus, with both players showing recent Challenger-level form—Brunold reaching the Lugano semifinal and Hemery advancing to the Troyes semifinal in July. Hemery holds a 1-0 head-to-head edge on clay from their prior meeting, while Brunold benefits from local support and familiarity with Swiss clay conditions. No confirmed injuries or withdrawals have altered the field, keeping the focus on serve consistency, return play, and adaptation to the altitude and surface pace in this early-round encounter.
This market refers to the tennis match between Mika Brunold and Calvin Hemery in the Sion, originally scheduled for August 19, 2026 at 4:00AM ET.
This market will resolve to 'Mika Brunold' if Mika Brunold advances against Calvin Hemery.
This market will resolve to 'Calvin Hemery' if Calvin Hemery advances against Mika Brunold.
If the match is canceled (not played at all), ends in a tie, or is delayed beyond 7 days from the scheduled date without a winner determined, this market will resolve to 50-50.
If the match begins but is not completed, and one player advances due to the opponent's retirement, default, or disqualification, this market will resolve to the player who advances.
If the match ends in a walkover (player withdraws before the start and the other advances automatically), this market will resolve to 50-50.
The primary resolution source will be official information from the ATP Tour. A consensus of credible reporting may also be used.
This market will resolve to 'Mika Brunold' if Mika Brunold advances against Calvin Hemery.
This market will resolve to 'Calvin Hemery' if Calvin Hemery advances against Mika Brunold.
If the match is canceled (not played at all), ends in a tie, or is delayed beyond 7 days from the scheduled date without a winner determined, this market will resolve to 50-50.
If the match begins but is not completed, and one player advances due to the opponent's retirement, default, or disqualification, this market will resolve to the player who advances.
If the match ends in a walkover (player withdraws before the start and the other advances automatically), this market will resolve to 50-50.
The primary resolution source will be official information from the ATP Tour. A consensus of credible reporting may also be used.
Market Opened: Aug 18, 2026, 1:05 PM ET
Volume
$411End Date
Aug 26, 2026Market Opened
Aug 18, 2026, 1:05 PM ETResolution Source
https://www.atptour.com/en/scores/currentResolver
0x65070BE91...This market refers to the tennis match between Mika Brunold and Calvin Hemery in the Sion, originally scheduled for August 19, 2026 at 4:00AM ET.
This market will resolve to 'Mika Brunold' if Mika Brunold advances against Calvin Hemery.
This market will resolve to 'Calvin Hemery' if Calvin Hemery advances against Mika Brunold.
If the match is canceled (not played at all), ends in a tie, or is delayed beyond 7 days from the scheduled date without a winner determined, this market will resolve to 50-50.
If the match begins but is not completed, and one player advances due to the opponent's retirement, default, or disqualification, this market will resolve to the player who advances.
If the match ends in a walkover (player withdraws before the start and the other advances automatically), this market will resolve to 50-50.
The primary resolution source will be official information from the ATP Tour. A consensus of credible reporting may also be used.This market refers to the tennis match between Mika Brunold and Calvin Hemery in the Sion, originally scheduled for August 19, 2026 at 4:00AM ET. This market will resolve to "Yes" if all games and sets required to determine a match winner under governing body or event organizer rules are played to completion through normal play. Otherwise, if the match is not completed for any reason, it will resolve to "No." If a forfeit of any kind occurs, including but not limited to a walkover or retirement, this market will resolve "No." If the match is canceled (not played at all), ends in a tie, or is delayed beyond 7 days from the scheduled date without a winner determined, this market will resolve to "No." The primary resolution source for this market is the official statistics of the event as recognized by the governing body or event organizers. However, if the governing body or event organizers have not published final match statistics within 2 hours after the event's conclusion, a consensus of credible reporting may be used instead.This market refers to the tennis match between Mika Brunold and Calvin Hemery in the Sion, originally scheduled for August 19, 2026 at 4:00AM ET.
This market will resolve to "Over" if the total number of games completed across all sets equals or exceeds 22. Otherwise, it will resolve to "Under."
All tiebreaks—including any Champions/Super tiebreak—count as one (1) game toward the total.
If the match begins but is not completed, this market will resolve 50-50. If the match is canceled before play begins or delayed beyond 7 days from the scheduled date without a result, this market will also resolve 50-50.
Resolution will be based on official Challenger statistics.This market refers to the tennis match between Mika Brunold and Calvin Hemery in the Sion, originally scheduled for August 19, 2026 at 4:00AM ET.
This market will resolve to “Brunold” if Mika Brunold wins the first set. It will resolve to “Hemery” if Calvin Hemery wins the first set.
If the match begins but is not completed, and the first set is concluded with a winner determined, this market will resolve based on that completed set. If the first set is not completed for any reason, this market will resolve 50-50.
If the match is canceled (not played at all) or is delayed beyond 7 days from the scheduled date without play beginning, this market will resolve 50-50.
Resolution will be based on official Challenger match statistics.This market refers to the tennis match between Mika Brunold and Calvin Hemery in the Sion, originally scheduled for August 19, 2026 at 4:00AM ET.
This market will resolve to “Brunold” if Mika Brunold wins set 2. It will resolve to “Hemery” if Calvin Hemery wins set 2.
If the match begins but set 2 is not completed with a winner determined (including the match ending before set 2 is reached), this market will resolve 50-50.
If the match is canceled (not played at all) or is delayed beyond 7 days from the scheduled date without play beginning, this market will resolve 50-50.
Resolution will be based on official Challenger match statistics.This market refers to the tennis match between Mika Brunold and Calvin Hemery in the Sion, originally scheduled for August 19, 2026 at 4:00AM ET.
This market will resolve to "Over" if the total number of sets completed equals or exceeds 3. Otherwise, it will resolve to "Under."
A super tie breaker is considered as one (1) set for total set markets.
If the match begins but is not completed, this market will resolve 50-50. If the match is canceled before play begins or delayed beyond 7 days from the scheduled date without a result, this market will also resolve 50-50.
Resolution will be based on official Challenger statistics.This market refers to the tennis match between Mika Brunold and Calvin Hemery in the Sion, originally scheduled for August 19, 2026 at 4:00AM ET.
This market will resolve to "Brunold" if Mika Brunold wins by 2 or more sets than Calvin Hemery, based on the final completed score. Otherwise, it will resolve to "Hemery."
If the match begins but is not completed, this market will resolve 50-50. If the match is canceled before play begins or delayed beyond 7 days from the scheduled date without a result, this market will also resolve 50-50.
Resolution will be based on official Challenger results.This market refers to the tennis match between Mika Brunold and Calvin Hemery in the Sion, originally scheduled for August 19, 2026 at 4:00AM ET.
This market will resolve to "Over" if the total number of games completed across all sets equals or exceeds 23. Otherwise, it will resolve to "Under."
All tiebreaks—including any Champions/Super tiebreak—count as one (1) game toward the total.
If the match begins but is not completed, this market will resolve 50-50. If the match is canceled before play begins or delayed beyond 7 days from the scheduled date without a result, this market will also resolve 50-50.
Resolution will be based on official Challenger statistics.This market refers to the tennis match between Calvin Hemery and Mika Brunold in the Sion, originally scheduled for August 19, 2026 at 4:00AM ET.
This market will resolve to "Hemery" if Calvin Hemery wins by 2 or more sets than Mika Brunold, based on the final completed score. Otherwise, it will resolve to "Brunold."
If the match begins but is not completed, this market will resolve 50-50. If the match is canceled before play begins or delayed beyond 7 days from the scheduled date without a result, this market will also resolve 50-50.
Resolution will be based on official Challenger results.This market refers to the tennis match between Mika Brunold and Calvin Hemery in the Sion, originally scheduled for August 19, 2026 at 4:00AM ET.
This market will resolve to "Over" if the total number of games completed across all sets equals or exceeds 24. Otherwise, it will resolve to "Under."
All tiebreaks—including any Champions/Super tiebreak—count as one (1) game toward the total.
If the match begins but is not completed, this market will resolve 50-50. If the match is canceled before play begins or delayed beyond 7 days from the scheduled date without a result, this market will also resolve 50-50.
Resolution will be based on official Challenger statistics.This market refers to the tennis match between Mika Brunold and Calvin Hemery in the Sion, originally scheduled for August 19, 2026 at 4:00AM ET.
This market will resolve to "Over" if the total number of games completed in the first set equals or exceeds 9. Otherwise, it will resolve to "Under."
Any first-set tiebreak counts as one (1) game toward the total.
If the first set is not completed for any reason, this market will resolve 50-50. If the match is canceled before play begins, or delayed beyond 7 days without commencement, this market will also resolve 50-50.
Resolution will be based on official Challenger results.This market refers to the tennis match between Mika Brunold and Calvin Hemery in the Sion, originally scheduled for August 19, 2026 at 4:00AM ET.
This market will resolve to "Over" if the total number of games completed in set 2 equals or exceeds 9. Otherwise, it will resolve to "Under."
Any tiebreak in set 2 counts as one (1) game toward the total.
If set 2 is not completed for any reason (including the match ending before set 2 is reached), this market will resolve 50-50. If the match is canceled before play begins, or delayed beyond 7 days without commencement, this market will also resolve 50-50.
Resolution will be based on official Challenger results.This market refers to the tennis match between Mika Brunold and Calvin Hemery in the Sion, originally scheduled for August 19, 2026 at 4:00AM ET.
This market will resolve to "Over" if the total number of games completed in set 2 equals or exceeds 10. Otherwise, it will resolve to "Under."
Any tiebreak in set 2 counts as one (1) game toward the total.
If set 2 is not completed for any reason (including the match ending before set 2 is reached), this market will resolve 50-50. If the match is canceled before play begins, or delayed beyond 7 days without commencement, this market will also resolve 50-50.
Resolution will be based on official Challenger results.This market refers to the tennis match between Mika Brunold and Calvin Hemery in the Sion, originally scheduled for August 19, 2026 at 4:00AM ET.
This market will resolve to "Over" if the total number of games completed in the first set equals or exceeds 10. Otherwise, it will resolve to "Under."
Any first-set tiebreak counts as one (1) game toward the total.
If the first set is not completed for any reason, this market will resolve 50-50. If the match is canceled before play begins, or delayed beyond 7 days without commencement, this market will also resolve 50-50.
Resolution will be based on official Challenger results.This market refers to the tennis match between Mika Brunold and Calvin Hemery in the Sion, originally scheduled for August 19, 2026 at 4:00AM ET.
This market will resolve to "Over" if the total number of games completed in the first set equals or exceeds 11. Otherwise, it will resolve to "Under."
Any first-set tiebreak counts as one (1) game toward the total.
If the first set is not completed for any reason, this market will resolve 50-50. If the match is canceled before play begins, or delayed beyond 7 days without commencement, this market will also resolve 50-50.
Resolution will be based on official Challenger results.This market refers to the tennis match between Mika Brunold and Calvin Hemery in the Sion, originally scheduled for August 19, 2026 at 4:00AM ET.
This market will resolve to "Over" if the total number of games completed in set 2 equals or exceeds 11. Otherwise, it will resolve to "Under."
Any tiebreak in set 2 counts as one (1) game toward the total.
If set 2 is not completed for any reason (including the match ending before set 2 is reached), this market will resolve 50-50. If the match is canceled before play begins, or delayed beyond 7 days without commencement, this market will also resolve 50-50.
Resolution will be based on official Challenger results.Mika Brunold, the 21-year-old Swiss home player ranked around 423 with a career-high of 289, faces 31-year-old Frenchman Calvin Hemery (No. 326, career high 116) in the ATP Challenger 50 Open de Sion on outdoor clay. The matchup is tightly contested in trader consensus, with both players showing recent Challenger-level form—Brunold reaching the Lugano semifinal and Hemery advancing to the Troyes semifinal in July. Hemery holds a 1-0 head-to-head edge on clay from their prior meeting, while Brunold benefits from local support and familiarity with Swiss clay conditions. No confirmed injuries or withdrawals have altered the field, keeping the focus on serve consistency, return play, and adaptation to the altitude and surface pace in this early-round encounter.
This market refers to the tennis match between Mika Brunold and Calvin Hemery in the Sion, originally scheduled for August 19, 2026 at 4:00AM ET.
This market will resolve to 'Mika Brunold' if Mika Brunold advances against Calvin Hemery.
This market will resolve to 'Calvin Hemery' if Calvin Hemery advances against Mika Brunold.
If the match is canceled (not played at all), ends in a tie, or is delayed beyond 7 days from the scheduled date without a winner determined, this market will resolve to 50-50.
If the match begins but is not completed, and one player advances due to the opponent's retirement, default, or disqualification, this market will resolve to the player who advances.
If the match ends in a walkover (player withdraws before the start and the other advances automatically), this market will resolve to 50-50.
The primary resolution source will be official information from the ATP Tour. A consensus of credible reporting may also be used.
This market will resolve to 'Mika Brunold' if Mika Brunold advances against Calvin Hemery.
This market will resolve to 'Calvin Hemery' if Calvin Hemery advances against Mika Brunold.
If the match is canceled (not played at all), ends in a tie, or is delayed beyond 7 days from the scheduled date without a winner determined, this market will resolve to 50-50.
If the match begins but is not completed, and one player advances due to the opponent's retirement, default, or disqualification, this market will resolve to the player who advances.
If the match ends in a walkover (player withdraws before the start and the other advances automatically), this market will resolve to 50-50.
The primary resolution source will be official information from the ATP Tour. A consensus of credible reporting may also be used.
Market Opened: Aug 18, 2026, 1:05 PM ET
Volume
$411End Date
Aug 26, 2026Market Opened
Aug 18, 2026, 1:05 PM ETResolution Source
https://www.atptour.com/en/scores/currentResolver
0x65070BE91...Mika Brunold, the 21-year-old Swiss home player ranked around 423 with a career-high of 289, faces 31-year-old Frenchman Calvin Hemery (No. 326, career high 116) in the ATP Challenger 50 Open de Sion on outdoor clay. The matchup is tightly contested in trader consensus, with both players showing recent Challenger-level form—Brunold reaching the Lugano semifinal and Hemery advancing to the Troyes semifinal in July. Hemery holds a 1-0 head-to-head edge on clay from their prior meeting, while Brunold benefits from local support and familiarity with Swiss clay conditions. No confirmed injuries or withdrawals have altered the field, keeping the focus on serve consistency, return play, and adaptation to the altitude and surface pace in this early-round encounter.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · Updated
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Frequently Asked Questions