Head to head
0
Hard
2
1
Clay
0
Julien Boutter's wins on the left · Sjeng Schalken's on the right · bar lengths share one scale
All meetings (3)
| 2003 | US Open | Hard | R128 | Sjeng Schalken | 6-2 6-3 6-2 |
| 2003 | Monte Carlo Masters | Clay | R16 | Julien Boutter | 7-6(3) 6-4 |
| 2000 | Stuttgart Masters | Hard | R32 | Sjeng Schalken | 6-1 6-3 |
Methodology
Head-to-head totals and surface splits exclude walkovers (no match was played), which follows ATP convention — walkover meetings still appear in the match list. The momentum chart plots the running lead across all counted meetings, oldest to newest.