By surface
| Surface | Frank Conner | Keith Nielsen |
|---|
All meetings (1)
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1968-06-22 | ATP | San Antonio Collegiate | Round of 32 | — | Keith Nielsen | 1-6 | 4-6 |
| Surface | Frank Conner | Keith Nielsen |
|---|
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1968-06-22 | ATP | San Antonio Collegiate | Round of 32 | — | Keith Nielsen | 1-6 | 4-6 |