By surface
| Surface | Frederik Nielsen | Roman Margoulis |
|---|---|---|
| Hard | 1 | 0 |
All meetings (1)
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 2008-04-11 | ATP | Davis Cup G2 R1: LUX vs DEN | Round Robin | Hard | Frederik Nielsen | 6-3 | 6-1 | 6-2 |
| Surface | Frederik Nielsen | Roman Margoulis |
|---|---|---|
| Hard | 1 | 0 |
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 2008-04-11 | ATP | Davis Cup G2 R1: LUX vs DEN | Round Robin | Hard | Frederik Nielsen | 6-3 | 6-1 | 6-2 |