Jannik Sinner vs Jan-Lennard Struff: AI Prediction | Games, Spread, Aces & Double Faults

The model’s edge for Sinner comes mainly from overall strength and recent results at a high level. Sinner’s sterling credentials—world No. 1, an Elo of 2429 and a surface strength index of 100—drive the largest single factor in the projection, supported by a dominant run through the earlier rounds. His form index (61.6) is solid and he has closed his last three Wimbledon matches in straight sets (3–0, 3–0, 3–0), suggesting efficient, controlled wins. Fatigue on court is identical on paper for both players (696 minutes), so freshness shouldn’t be a differentiator. Secondary model drivers are recent record by level and surface fit. Struff arrives with a higher form index (78.1) and an eye-catching trio of wins at this event — including a 3–0 over a top opponent and two 3–2 victories — but his ranking (74) and much lower Elo (1768) leave him disadvantaged across broader quality metrics. On serve/return, both players bring strong serving numbers: Sinner’s mean serve index is 98.19 and Struff’s 95.60 (difference under 5 points), while Sinner’s mean return index (97.63) noticeably outclasses Struff’s (84.80), a gap that favors Sinner on both offense and break-point chances.