Head to head
1
Hard
0
1
Grass
0
Sjeng Schalken's wins on the left · Oscar Burrieza-Lopez's on the right · bar lengths share one scale
All meetings (2)
| 1999 | Halle | Grass | R16 | Sjeng Schalken | 7-6(2) 6-2 |
| 1998 | Tashkent | Hard | R32 | Sjeng Schalken | 6-4 6-7(5) 7-6(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.