By surface
| Surface | Clark Graebner | William Brown |
|---|---|---|
| Hard | 2 | 0 |
All meetings (2)
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1973-03-22 | ATP | Jackson | Round of 16 | Hard | Clark Graebner | 6-1 | 6-1 | |||
| 1969-01-26 | ATP | Omaha | Quarterfinal | Hard | Clark Graebner | 6-2 | 6-4 |