Jan Lennard Struff defeated Felix Auger Aliassime 6-1 6-4 in the Atp Cup round robin on hard. The upset overturned the form book — Felix Auger Aliassime came in ranked #4, leading the head-to-head 3–2. Jan Lennard Struff narrowed the head-to-head to 3–3.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2025-06-30 | Wimbledon | R64 | grass | Jan Lennard Struff | 3-6 7-6(9) 6-3 6-4 |
| 2025-01-13 | Australian Open | R128 | hard | Felix Auger Aliassime | 6-3 6-0 4-6 6-1 |
| 2024-04-15 | Munich | QF | clay | Jan Lennard Struff | 7-5 6-4 |
| 2023-10-30 | Paris Masters | R64 | hard | Felix Auger Aliassime | 7-6(3) 6-4 |
| 2020-02-10 | Rotterdam | R32 | hard | Felix Auger Aliassime | 6-3 1-6 6-3 |
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 hard field, opponent-adjusted over 52 weeks). About
Averages over each player's completed matches in the selected window (200 vs 199). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About
Struff J.: 6 days rest · 1 match, 34 games (7d) · Auger Aliassime F.: 6 days rest · 1 match, 57 games (7d). Higher means fresher. About