Mark Philippoussis defeated Daniel Vacek 7-6 7-6 in the Paris Masters round of 64 on hard. The upset overturned the form book — Daniel Vacek came in leading the head-to-head 1–0, defending last year's round of 32. Mark Philippoussis claimed a first win over Daniel Vacek in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1997-08-25 | US Open | R32 | hard | Daniel Vacek | 7-6(4) 7-5 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 (200 vs 139). ATP, WTA & Challenger.