By surface
| Surface | Mark Koevermans | Simone Colombo |
|---|---|---|
| Clay | 1 | 0 |
All meetings (1)
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1990-03-05 | ATP | Casablanca | Round of 32 | Clay | Mark Koevermans | 6-1 | 6-4 |
| Surface | Mark Koevermans | Simone Colombo |
|---|---|---|
| Clay | 1 | 0 |
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1990-03-05 | ATP | Casablanca | Round of 32 | Clay | Mark Koevermans | 6-1 | 6-4 |