By surface
| Surface | John Picken | Enrique Haro |
|---|---|---|
| Clay | 1 | 0 |
All meetings (1)
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1978-10-27 | ATP | Davis Cup AME PR: MEX vs CAN | Round Robin | Clay | John Picken | 6-1 | 6-4 | 6-8 | 6-4 |
| Surface | John Picken | Enrique Haro |
|---|---|---|
| Clay | 1 | 0 |
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1978-10-27 | ATP | Davis Cup AME PR: MEX vs CAN | Round Robin | Clay | John Picken | 6-1 | 6-4 | 6-8 | 6-4 |