By surface
| Surface | Mark Koevermans | Maurice Ruah |
|---|---|---|
| Hard | 1 | 0 |
All meetings (1)
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1990-11-05 | ATP | Itaparica | Quarterfinal | Hard | Mark Koevermans | 7-6 | 6-3 |
| Surface | Mark Koevermans | Maurice Ruah |
|---|---|---|
| Hard | 1 | 0 |
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1990-11-05 | ATP | Itaparica | Quarterfinal | Hard | Mark Koevermans | 7-6 | 6-3 |