Paul Haarhuis defeated David Prinosil 7-5 6-4 in the Dusseldorf round robin on clay. The upset overturned the form book — David Prinosil came in leading the head-to-head 1–0. Paul Haarhuis claimed a first win over David Prinosil in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1999-08-16 | Indianapolis | R64 | hard | David Prinosil | 6-3 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 200). ATP, WTA & Challenger.