By surface
| Surface | Mariano Zabaleta | Justin Gimelstob |
|---|---|---|
| Clay | 1 | 0 |
All meetings (1)
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1999-05-17 | ATP | St. Poelten | Round of 32 | Clay | Mariano Zabaleta | 6-4 | 7-5 |
| Surface | Mariano Zabaleta | Justin Gimelstob |
|---|---|---|
| Clay | 1 | 0 |
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1999-05-17 | ATP | St. Poelten | Round of 32 | Clay | Mariano Zabaleta | 6-4 | 7-5 |