By surface
| Surface | Clark Graebner | Alejandro Olmedo |
|---|---|---|
| Hard | 0 | 1 |
All meetings (2)
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1971-04-30 | ATP | Kansas City | Quarterfinal | Hard | Alejandro Olmedo | 1-6 | 6-7 | |||
| 1971-02-14 | ATP | New York | Round of 32 | — | Clark Graebner | 6-2 | 6-2 |