Head to head
1
Hard
1
0
Clay
1
Sebastien Grosjean's wins on the left · Jan Siemerink's on the right · bar lengths share one scale
All meetings (3)
| 2001 | Australian Open | Hard | R64 | Sebastien Grosjean | 6-3 6-0 6-4 |
| 1997 | Toulouse | Hard | R32 | Jan Siemerink | 6-3 6-1 |
| 1997 | Roland Garros | Clay | R128 | Jan Siemerink | 6-3 4-6 6-4 6-4 |
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.