By surface
| Surface | Thomaz Koch | Marcello Lara |
|---|---|---|
| Clay | 1 | 0 |
All meetings (1)
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1971-07-17 | ATP | Davis Cup AME F: MEX vs BRA | Round Robin | Clay | Thomaz Koch | 6-4 | 6-2 | 6-1 |
| Surface | Thomaz Koch | Marcello Lara |
|---|---|---|
| Clay | 1 | 0 |
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1971-07-17 | ATP | Davis Cup AME F: MEX vs BRA | Round Robin | Clay | Thomaz Koch | 6-4 | 6-2 | 6-1 |