By surface
| Surface | Frederik Nielsen | Harri Heliovaara |
|---|---|---|
| Carpet | 1 | 0 |
All meetings (1)
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 2016-07-15 | ATP | Davis Cup G2 R2: FIN vs DEN | Round Robin | Carpet | Frederik Nielsen | 6-4 | 6-3 | 7-65 |
| Surface | Frederik Nielsen | Harri Heliovaara |
|---|---|---|
| Carpet | 1 | 0 |
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 2016-07-15 | ATP | Davis Cup G2 R2: FIN vs DEN | Round Robin | Carpet | Frederik Nielsen | 6-4 | 6-3 | 7-65 |