Frederik Nielsen advanced when Mikael Ekman retired 5-2 in the Sweden F2 round of 16. Frederik Nielsen claimed a first win over Mikael Ekman in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2004-06-14 | Finland F1 | R32 | clay | Mikael Ekman | 6-4 6-3 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.