Oscar Otte defeated Maximilian Marterer 3-6 6-3 7-6 in the Ismaning CH quarter-final on hard. The upset overturned the form book — Maximilian Marterer came in leading the head-to-head 2–0, defending last year's quarter-final. Oscar Otte claimed a first win over Maximilian Marterer in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2015-09-28 | Germany F14 | SF | carpet | Maximilian Marterer | 0-6 6-4 7-5 |
| 2015-06-29 | Germany F5 | R16 | clay | Maximilian Marterer | 6-4 6-3 |
Averages over each player's completed matches in the selected window (173 vs 200). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About