By surface
| Surface | Ricki Osterthun | Gustavo Guerrero |
|---|---|---|
| Clay | 0 | 1 |
All meetings (1)
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1987-11-16 | ATP | Buenos Aires | Round of 32 | Clay | Gustavo Guerrero | 5-7 | 6-7 |
| Surface | Ricki Osterthun | Gustavo Guerrero |
|---|---|---|
| Clay | 0 | 1 |
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1987-11-16 | ATP | Buenos Aires | Round of 32 | Clay | Gustavo Guerrero | 5-7 | 6-7 |