Mark Koevermans
W-L: 6-4 (60.00%)
Matches in 1989
| Date ▼ | Tourney | Surface | Round | Wrk | Winner | Lrk | Loser | Score | H2H | BoF | Min | WA | WDF | W1stIn | W1st% | W2nd% | BPSvd |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1989-11-20 | Itaparica | Hard | QF | 10 |  Jay Berger (2) | 59 | Mark Koevermans | 5-7 6-4 6-3 | H2H | 3 | - | - | - | - | - | - | - |
| 1989-11-20 | Itaparica | Hard | R16 | 59 | Mark Koevermans | 132 |  Nicolas Pereira | 6-2 6-2 | H2H | 3 | - | - | - | - | - | - | - |
| 1989-11-20 | Itaparica | Hard | R32 | 59 | Mark Koevermans | 61 | Dan Goldie | 7-6 6-3 | H2H | 3 | - | - | - | - | - | - | - |
| 1989-11-06 | Sao Paulo | Carpet | SF | 15 |  Martin Jaite (2) | 73 | Mark Koevermans (6) | 7-5 6-2 | H2H | 3 | - | - | - | - | - | - | - |
| 1989-11-06 | Sao Paulo | Carpet | QF | 73 | Mark Koevermans (6) | 161 |  Francisco Roig | 6-3 6-2 | H2H | 3 | - | - | - | - | - | - | - |
| 1989-11-06 | Sao Paulo | Carpet | R16 | 73 | Mark Koevermans (6) | 174 | Robbie Weiss | 6-0 6-2 | H2H | 3 | - | - | - | - | - | - | - |
| 1989-11-06 | Sao Paulo | Carpet | R32 | 73 | Mark Koevermans (6) | 142 |  Mario Tabares | 6-3 6-1 | H2H | 3 | - | - | - | - | - | - | - |
| 1989-08-28 | US Open | Hard | R64 | 25 |  Mikael Pernfors | 83 | Mark Koevermans | 6-2 6-4 6-2 | H2H | 5 | - | - | - | - | - | - | - |
| 1989-08-28 | US Open | Hard | R128 | 83 | Mark Koevermans | 213 |  John Frawley | 6-3 3-6 7-5 6-4 | H2H | 5 | - | - | - | - | - | - | - |
| 1989-06-12 | Bologna | Clay | R32 | 150 | Franco Davin | 85 | Mark Koevermans (8) | 6-4 6-2 | H2H | 3 | - | - | - | - | - | - | - |
Matches — 1989