By surface
| Surface | Hernan Gumy | Mark Knowles |
|---|---|---|
| Clay | 1 | 0 |
All meetings (1)
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1996-04-05 | ATP | Davis Cup G1 SF: ARG vs BAH | Round Robin | Clay | Hernan Gumy | 6-3 | 7-63 | 6-1 |
| Surface | Hernan Gumy | Mark Knowles |
|---|---|---|
| Clay | 1 | 0 |
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1996-04-05 | ATP | Davis Cup G1 SF: ARG vs BAH | Round Robin | Clay | Hernan Gumy | 6-3 | 7-63 | 6-1 |