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 2–0. Felix Mantilla claimed a first win over Paul Haarhuis in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1998-03-16 | Miami Masters | R64 | hard | Paul Haarhuis | 6-7 6-4 7-6 |
| 1996-06-24 | Wimbledon | R128 | grass | Paul Haarhuis | 5-7 6-2 6-2 6-2 |
Averages over each player's completed matches in the selected window (200 vs 104). 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