Martin Damm Sr defeated Andrei Merinov 6-3 6-4 in the Germany 1 Masters 1 qualifying round on carpet. The upset overturned the form book — Andrei Merinov came in leading the head-to-head 1–0. Martin Damm Sr claimed a first win over Andrei Merinov in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1991-02-03 | Germany 1 Masters 4 | R16 | carpet | Andrei Merinov | 7-6 6-7 7-6 |
Averages over each player's completed matches in the selected window (159 vs 9). 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