Felix Mantilla defeated Paul Haarhuis 6-1 6-1 in the Dusseldorf round robin on clay. The upset overturned the form book — Paul Haarhuis came in leading the head-to-head 1–0. Felix Mantilla claimed a first win over Paul Haarhuis in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1998-03-16 | Miami Masters | R64 | hard | Paul Haarhuis | 6-7(3) 6-4 7-6(3) |
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 (200 vs 104). ATP, WTA & Challenger.