By surface
| Surface | Marcos Ondruska | Alex Obrien |
|---|---|---|
| Hard | 0 | 2 |
All meetings (2)
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 2000-08-14 | ATP | Washington | Round of 64 | Hard | Alex Obrien | 7-63 | 4-6 | 3-6 | ||
| 1997-07-28 | ATP | Canada Masters | Round of 32 | Hard | Alex Obrien | 4-6 | 6-77 |