By surface
| Surface | Jan Siemerink | Gabriel Markus |
|---|---|---|
| Hard | 0 | 1 |
All meetings (1)
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1991-08-26 | ATP | US Open | Round of 32 | Hard | Gabriel Markus | 4-6 | 4-6 | 6-1 | 7-64 | 6-79 |
| Surface | Jan Siemerink | Gabriel Markus |
|---|---|---|
| Hard | 0 | 1 |
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1991-08-26 | ATP | US Open | Round of 32 | Hard | Gabriel Markus | 4-6 | 4-6 | 6-1 | 7-64 | 6-79 |