Head to head
1
Hard
0
1
Clay
1
1
Grass
0
Sjeng Schalken's wins on the left · Karim Alami's on the right · bar lengths share one scale
All meetings (4)
| 2001 | Monte Carlo Masters | Clay | R64 | Sjeng Schalken | 6-2 6-0 |
| 2001 | Doha | Hard | R32 | Sjeng Schalken | 6-3 6-1 |
| 1999 | Monte Carlo Masters | Clay | R64 | Karim Alami | 6-2 6-3 |
| 1998 | 's-Hertogenbosch | Grass | R32 | Sjeng Schalken | 6-0 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.