By surface
| Surface | Thomaz Koch | Jairo Velasco |
|---|---|---|
| Clay | 1 | 0 |
All meetings (2)
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1971-05-03 | ATP | Madrid | Round of 16 | Clay | Thomaz Koch | 6-3 | 7-5 | |||
| 1969-05-16 | ATP | Davis Cup SAM SF: COL vs BRA | Round Robin | — | Jairo Velasco | 6-3 | 1-6 | 4-6 | 4-6 |