Head to head
0
Hard
1
1
Carpet
0
Nicolas Pereira's wins on the left · Mark Koevermans's on the right · bar lengths share one scale
All meetings (2)
| 1990 | Rotterdam | Carpet | R32 | Nicolas Pereira | 6-4 6-2 |
| 1989 | Itaparica | Hard | R16 | Mark Koevermans | 6-2 6-2 |
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.