By surface
| Surface | Frank Froehling | Lito Alvarez |
|---|---|---|
| Clay | 3 | 0 |
All meetings (3)
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1971-12-01 | ATP | Buenos Aires | Round of 32 | Clay | Frank Froehling | 7-6 | 6-4 | 6-2 | ||
| 1970-07-27 | ATP | Indianapolis | Round of 64 | Clay | Frank Froehling | 6-4 | 6-4 | |||
| 1970-07-27 | ATP | Indianapolis | Round of 64 | Clay | Frank Froehling | 6-4 | 6-4 |