Head to head
1
Hard
0
1
Clay
0
0
Grass
1
Sjeng Schalken's wins on the left · Hyung-Taik Lee's on the right · bar lengths share one scale
All meetings (3)
| 2004 | Queen's Club | Grass | R16 | Hyung-Taik Lee | 7-6(3) 6-7(6) 6-3 |
| 2003 | Cincinnati Masters | Hard | R64 | Sjeng Schalken | 6-4 6-3 |
| 2003 | Monte Carlo Masters | Clay | R32 | Sjeng Schalken | 7-5 6-2 |
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.