Marvin Moeller advanced when Peter Heller retired 6-1 0-1 in the M15 Cluj Napoca 1 round of 32. Marvin Moeller claimed a first win over Peter Heller in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2021-08-04 | M25 Wetzlar 1 | R32 | clay | Peter Heller | 6-2 6-3 |
Averages over each player's completed matches in the selected window (71 vs 10). ATP, WTA & Challenger.
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About