Daniel Vacek defeated Sjeng Schalken 1-6 6-2 6-4 7-5 in the Roland Garros round of 128 on clay. Daniel Vacek extended the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1999-01-11 | Auckland | R16 | hard | Sjeng Schalken | 6-4 6-4 |
| 1998-08-03 | Canada Masters | R64 | hard | Daniel Vacek | 4-6 6-3 6-4 |
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 (139 vs 200). ATP, WTA & Challenger.