Head to head
0
Hard
2
1
Grass
0
Sjeng Schalken's wins on the left · Stefan Koubek's on the right · bar lengths share one scale
All meetings (3)
| 2004 | Madrid Masters | Hard | R64 | Stefan Koubek | 6-4 6-4 |
| 2001 | Cincinnati Masters | Hard | R32 | Stefan Koubek | 6-1 7-6(5) |
| 2001 | Wimbledon | Grass | R128 | Sjeng Schalken | 6-4 3-6 6-4 6-7(2) 7-5 |
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.