By surface
| Surface | Guillermo Vilas | Ricardo Ycaza |
|---|---|---|
| Clay | 2 | 0 |
All meetings (2)
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1977-11-14 | ATP | Santiago | Semifinal | Clay | Guillermo Vilas | 6-1 | 6-1 | |||
| 1973-02-23 | ATP | Davis Cup SAM PR: ARG vs ECU | Round Robin | Clay | Guillermo Vilas | 6-2 | 6-3 | 6-2 |