By surface
| Surface | Trey Waltke | Hans Joachim Ploetz |
|---|---|---|
| Clay | 0 | 1 |
All meetings (1)
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1975-08-11 | ATP | Toronto | Round of 64 | Clay | Hans Joachim Ploetz | 1-6 | 5-7 |
| Surface | Trey Waltke | Hans Joachim Ploetz |
|---|---|---|
| Clay | 0 | 1 |
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1975-08-11 | ATP | Toronto | Round of 64 | Clay | Hans Joachim Ploetz | 1-6 | 5-7 |