Head to head
0
Clay
1
0
Grass
1
1
Carpet
1
Jan Siemerink's wins on the left · Magnus Gustafsson's on the right · bar lengths share one scale
All meetings (4)
| 2000 | 's-Hertogenbosch | Grass | R16 | Magnus Gustafsson | 1-6 7-5 7-5 |
| 1994 | Copenhagen | Carpet | R16 | Magnus Gustafsson | 6-3 7-6(3) |
| 1993 | Monte Carlo Masters | Clay | R64 | Magnus Gustafsson | 6-4 6-0 |
| 1992 | Stuttgart Indoor | Carpet | R32 | Jan Siemerink | 6-1 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.