By surface
| Surface | Marcos Ondruska | Udo Riglewski |
|---|---|---|
| Carpet | 0 | 1 |
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 | Udo Riglewski | 1-6 | 3-6 |
| Surface | Marcos Ondruska | Udo Riglewski |
|---|---|---|
| Carpet | 0 | 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 | Udo Riglewski | 1-6 | 3-6 |