Head to head
0
Hard
1
1
Grass
0
3
Carpet
0
Jan Siemerink's wins on the left · Marc-Kevin Goellner's on the right · bar lengths share one scale
All meetings (5)
| 1998 | London | Carpet | QF | Jan Siemerink | 6-3 6-4 |
| 1996 | Nottingham | Grass | R16 | Jan Siemerink | 2-6 7-6(6) 6-3 |
| 1994 | Vienna | Carpet | R16 | Jan Siemerink | 6-3 7-5 |
| 1994 | Ostrava | Carpet | R16 | Jan Siemerink | 7-5 6-2 |
| 1994 | New Haven | Hard | R16 | Marc-Kevin Goellner | 3-6 7-6(5) 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.