Head to head
1
Clay
0
1
Grass
1
1
Carpet
0
Sjeng Schalken's wins on the left · Guillaume Raoux's on the right · bar lengths share one scale
All meetings (4)
| 1999 | Lyon | Carpet | R64 | Sjeng Schalken | 7-6(5) 6-2 |
| 1998 | 's-Hertogenbosch | Grass | R16 | Sjeng Schalken | 6-2 7-5 |
| 1997 | Rosmalen | Grass | QF | Guillaume Raoux | 7-6(5) 6-4 |
| 1995 | Casablanca | Clay | R16 | Sjeng Schalken | 7-6(3) 2-6 6-1 |
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.