By surface
| Surface | Jairo Velasco | Byron Bertram |
|---|---|---|
| Clay | 1 | 0 |
All meetings (2)
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1977-12-15 | ATP | Davis Cup EUR SF: RSA vs COL | Round Robin | — | Byron Bertram | 6-0 | 6-3 | 4-6 | 10-12 | 1-6 |
| 1976-05-10 | ATP | Bournemouth | Round of 64 | Clay | Jairo Velasco | 2-6 | 6-1 | 8-6 |