Gianluca Mager defeated Daniel Altmaier 5-7 6-3 6-3 in the Italy F8 qualifying round on clay. The upset overturned the form book — Daniel Altmaier came in ranked #65, leading the head-to-head 2–1. Gianluca Mager narrowed the head-to-head to 2–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2021-07-26 | Kitzbuhel | QF | clay | Daniel Altmaier | 6-1 6-7 6-3 |
| 2021-07-19 | Umag | R16 | clay | Daniel Altmaier | 4-6 6-1 7-5 |
| 2016-02-29 | France F4 | R32 | hard | Gianluca Mager | 7-5 6-7(4) 6-4 |
Averages over each player's completed matches in the selected window (200 vs 200). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About
Altmaier D.: 5 days rest · 2 matches, 46 games (7d). 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 clay field, opponent-adjusted over 52 weeks). About