Oscar Otte advanced when Daniel Altmaier retired 5-4 in the Aix En Provence CH semi-final. Oscar Otte extended the head-to-head to 5–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2023-04-24 | Madrid Masters | R64 | clay | Daniel Altmaier | 6-4 7-5 |
| 2022-06-06 | Stuttgart | R32 | grass | Oscar Otte | 7-6 7-6 |
| 2016-09-12 | Belgium F14 | QF | clay | Oscar Otte | 3-6 7-5 6-1 |
| 2016-05-16 | Czech Republic F2 | R16 | clay | Oscar Otte | 6-3 6-3 |
| 2015-08-17 | Belgium F11 | R32 | clay | Oscar Otte | 6-3 4-6 6-1 |
Averages over each player's completed matches in the selected window (195 vs 200). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About
Altmaier D.: 1 day rest · 2 matches, 37 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