By surface
| Surface | Cliff Letcher | Patricio Cornejo |
|---|---|---|
| Clay | 0 | 1 |
All meetings (1)
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1978-07-30 | ATP | Louisville | Round of 64 | Clay | Patricio Cornejo | 7-5 | 0-6 | 2-6 |
| Surface | Cliff Letcher | Patricio Cornejo |
|---|---|---|
| Clay | 0 | 1 |
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1978-07-30 | ATP | Louisville | Round of 64 | Clay | Patricio Cornejo | 7-5 | 0-6 | 2-6 |