By surface
| Surface | Gary Muller | Leonardo Lavalle |
|---|---|---|
| Hard | 1 | 1 |
All meetings (2)
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1990-08-13 | ATP | Indianapolis | Round of 64 | Hard | Leonardo Lavalle | 4-6 | 4-6 | |||
| 1987-10-26 | ATP | Hong Kong | Round of 32 | Hard | Gary Muller | 6-1 | 1-6 | 6-3 |