

Lorenzo Sonego defeated Jan Lennard Struff 7-6 7-6 in the Stuttgart round of 16 on grass. The upset overturned the form book — Jan Lennard Struff came in ranked #44. Lorenzo Sonego extended the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2025-06-16 | Halle | R32 | grass | Lorenzo Sonego | 6-3 6-2 |
| 2023-04-24 | Madrid Masters | R128 | clay | Jan Lennard Struff | 6-3 6-1 |
Averages over each player's completed matches in the selected window (199 vs 200). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About
Sonego L.: 2 days rest · 3 matches, 73 games (7d) · Lennard Struff J.: 14 days rest · 1 match (14d). Higher means fresher. About
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About
Per-surface Serve / Return Rating (0–100, percentile within the grass field, opponent-adjusted over 52 weeks). About