Head to head
1
Hard
2
0
Clay
1
Mark Koevermans's wins on the left · Patrik Kuhnen's on the right · bar lengths share one scale
All meetings (4)
| 1990 | Roland Garros | Clay | R64 | Patrik Kuhnen | 6-3 2-6 6-4 6-2 |
| 1990 | Adelaide | Hard | R16 | Mark Koevermans | 6-3 3-6 6-1 |
| 1989 | Australian Open | Hard | R64 | Patrik Kuhnen | 6-1 6-4 7-6 |
| 1989 | Adelaide | Hard | R16 | Patrik Kuhnen | 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.