Martin Damm Sr defeated Martin Sinner 6-7 6-4 6-3 in the Antwerp round of 32 on hard. The upset overturned the form book — Martin Sinner came in leading the head-to-head 1–0. Martin Damm Sr claimed a first win over Martin Sinner in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1998-03-09 | Copenhagen | R32 | carpet | Martin Sinner | 4-6 7-6(5) 6-4 |
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About
Averages over each player's completed matches in the selected window (157 vs 44). ATP, WTA & Challenger.