By surface
| Surface | Allan Stone | Luis Ayala |
|---|---|---|
| Clay | 0 | 1 |
All meetings (1)
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1969-07-21 | ATP | Indianapolis | Round of 16 | Clay | Luis Ayala | 6-8 | 7-5 | 5-7 |
| Surface | Allan Stone | Luis Ayala |
|---|---|---|
| Clay | 0 | 1 |
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1969-07-21 | ATP | Indianapolis | Round of 16 | Clay | Luis Ayala | 6-8 | 7-5 | 5-7 |