By surface
| Surface | Byron Bertram | John Muller |
|---|---|---|
| Hard | 1 | 0 |
All meetings (1)
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1975-11-17 | ATP | Johannesburg | Round of 64 | Hard | Byron Bertram | 6-3 | 1-6 | 6-1 |
| Surface | Byron Bertram | John Muller |
|---|---|---|
| Hard | 1 | 0 |
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1975-11-17 | ATP | Johannesburg | Round of 64 | Hard | Byron Bertram | 6-3 | 1-6 | 6-1 |