Paul Haarhuis defeated Juan Antonio Marin 6-4 7-6 in the Umag round of 32 on clay. The upset overturned the form book — Juan Antonio Marin came in leading the head-to-head 1–0. Paul Haarhuis claimed a first win over Juan Antonio Marin in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1998-07-27 | Umag | QF | clay | Juan Antonio Marin | 6-2 7-6(2) |
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 (104 vs 191). ATP, WTA & Challenger.