Sinner holds a 60% implied probability edge in this 2026 Grand Slam tally market primarily because of Carlos Alcaraz’s lingering right wrist injury, which has already forced withdrawals from Madrid, Rome, and the French Open. Sinner, by contrast, maintains elite consistency with an extended Masters 1000 win streak, recent titles on clay and hard courts, and minimal downtime. The Spaniard’s absence from Roland-Garros removes a key opportunity where he previously excelled, while Sinner’s straight-sets victory over Alcaraz in the Monte Carlo final underscored the Italian’s current physical and tactical advantage. With Wimbledon and the US Open still ahead, traders view Sinner’s uninterrupted schedule and form as the decisive factors in accumulating more major titles this season.