By surface
| Surface | Frank Gebert | Louk Sanders |
|---|---|---|
| Hard | 1 | 0 |
All meetings (1)
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1977-12-29 | ATP | Zurich | Round of 32 | Hard | Frank Gebert | 6-4 | 3-6 | 6-2 |
| Surface | Frank Gebert | Louk Sanders |
|---|---|---|
| Hard | 1 | 0 |
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1977-12-29 | ATP | Zurich | Round of 32 | Hard | Frank Gebert | 6-4 | 3-6 | 6-2 |