Head to head
1
Hard
0
1
Clay
0
1
Grass
1
Sjeng Schalken's wins on the left · Davide Sanguinetti's on the right · bar lengths share one scale
All meetings (4)
| 2005 | 's-Hertogenbosch | Grass | R16 | Davide Sanguinetti | 7-6(6) 6-3 |
| 2003 | Monte Carlo Masters | Clay | R64 | Sjeng Schalken | 6-4 3-1 RET |
| 1999 | Wimbledon | Grass | R128 | Sjeng Schalken | 5-7 6-4 6-7(5) 7-5 6-3 |
| 1998 | Boston | Hard | R32 | Sjeng Schalken | 7-6(3) 7-6(3) |
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.