By surface
| Surface | Mark Knowles | Martin Damm Sr |
|---|---|---|
| Grass | 0 | 1 |
All meetings (1)
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1994-06-20 | ATP | Wimbledon | Round of 64 | Grass | Martin Damm Sr | 3-6 | 4-6 | 6-2 | 1-6 |
| Surface | Mark Knowles | Martin Damm Sr |
|---|---|---|
| Grass | 0 | 1 |
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1994-06-20 | ATP | Wimbledon | Round of 64 | Grass | Martin Damm Sr | 3-6 | 4-6 | 6-2 | 1-6 |