Jannik Sinner holds the dominant position in the 2026 Roland Garros men’s singles market at 68% implied probability, primarily because Carlos Alcaraz’s wrist injury withdrawal has removed the two-time defending champion and Sinner’s chief clay-court rival from the draw. The world No. 1 enters with an unbeaten 2026 clay record, consecutive Monte Carlo and Madrid titles, and measurable gains in patience during extended baseline rallies on the slow, high-bouncing surface. Alexander Zverev sits second at 8.5% thanks to his established Roland Garros pedigree and current ranking, though a recent back issue has tempered expectations. Novak Djokovic at 6.8% remains a historical threat at age 39, yet the field’s depth and Sinner’s current consistency explain the pronounced separation reflected in trader pricing.