By surface
| Surface | Luis Herrera | Gary Muller |
|---|---|---|
| Carpet | 1 | 0 |
All meetings (1)
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1991-02-04 | ATP | San Francisco | Round of 32 | Carpet | Luis Herrera | 6-4 | 7-64 |
| Surface | Luis Herrera | Gary Muller |
|---|---|---|
| Carpet | 1 | 0 |
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1991-02-04 | ATP | San Francisco | Round of 32 | Carpet | Luis Herrera | 6-4 | 7-64 |