By surface
| Surface | John Alexander | Roberto Chavez |
|---|---|---|
| Clay | 0 | 1 |
All meetings (1)
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1978-09-25 | ATP | Mexico City | Round of 16 | Clay | Roberto Chavez | 6-7 | 3-6 |
| Surface | John Alexander | Roberto Chavez |
|---|---|---|
| Clay | 0 | 1 |
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1978-09-25 | ATP | Mexico City | Round of 16 | Clay | Roberto Chavez | 6-7 | 3-6 |