By surface
| Surface | Ray Ruffels | Pancho Guzman |
|---|---|---|
| Clay | 0 | 2 |
All meetings (2)
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1969-04-14 | ATP | Houston | Round of 32 | Clay | Pancho Guzman | 8-6 | 1-6 | 2-6 | ||
| 1968-03-04 | ATP | Barranquilla | Quarterfinal | Clay | Pancho Guzman | 9-7 | 3-6 | 2-6 |