By surface
| Surface | Thomaz Koch | Roberto Carruthers |
|---|---|---|
| Clay | 1 | 0 |
All meetings (1)
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1980-11-17 | ATP | Buenos Aires | Round of 32 | Clay | Thomaz Koch | 7-6 | 6-3 |
| Surface | Thomaz Koch | Roberto Carruthers |
|---|---|---|
| Clay | 1 | 0 |
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1980-11-17 | ATP | Buenos Aires | Round of 32 | Clay | Thomaz Koch | 7-6 | 6-3 |