Constant Lestienne defeated Daniel Altmaier 7-6 6-4 in the Rotterdam qualifying round 2 on hard. The upset overturned the form book — Daniel Altmaier came in ranked #61. Constant Lestienne extended the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2025-02-03 | Rotterdam | Q2 | hard | Constant Lestienne | 7-6(3) 6-4 |
| 2023-08-28 | US Open | R128 | hard | Daniel Altmaier | 6-7(5) 6-3 6-1 6-2 |
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 (28 vs 88). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About
Altmaier D.: 11 days rest · 1 match (14d). Higher means fresher. About