By surface
| Surface | Gunther Gnettner | Reinhard Mattern |
|---|---|---|
| Clay | 0 | 1 |
All meetings (1)
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1973-07-23 | ATP | Munich | Round of 32 | Clay | Reinhard Mattern | 6-4 | 1-6 | 6-7 |
| Surface | Gunther Gnettner | Reinhard Mattern |
|---|---|---|
| Clay | 0 | 1 |
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1973-07-23 | ATP | Munich | Round of 32 | Clay | Reinhard Mattern | 6-4 | 1-6 | 6-7 |