Martin Sinner defeated Paul Haarhuis 6-3 6-4 in the Rotterdam round of 32 on hard. The result followed the form book — Martin Sinner came in leading the head-to-head 1–0. Martin Sinner extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1998-09-28 | Toulouse | R32 | hard | Martin Sinner | 6-2 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 (44 vs 104). ATP, WTA & Challenger.