By surface
| Surface | Thomaz Koch | Paul Gerken |
|---|---|---|
| Carpet | 1 | 0 |
All meetings (1)
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1974-03-17 | ATP | Sao Paulo WCT | Round of 32 | Carpet | Thomaz Koch | 7-5 | 6-4 |
| Surface | Thomaz Koch | Paul Gerken |
|---|---|---|
| Carpet | 1 | 0 |
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1974-03-17 | ATP | Sao Paulo WCT | Round of 32 | Carpet | Thomaz Koch | 7-5 | 6-4 |