Sjeng Schalken defeated Julien Boutter 6-2 6-3 6-2 in the US Open round of 128 on hard. Sjeng Schalken extended the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2003-04-14 | Monte Carlo Masters | R16 | clay | Julien Boutter | 7-6(3) 6-4 |
| 2000-10-30 | Stuttgart Masters | R32 | carpet | Sjeng Schalken | 6-1 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 (112 vs 18). ATP, WTA & Challenger.