Frederik Nielsen defeated Evgeny Korolev 5-7 6-2 7-6 in the Netherlands F2 round of 32 on clay. The upset overturned the form book — Evgeny Korolev came in leading the head-to-head 1–0. Frederik Nielsen claimed a first win over Evgeny Korolev in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2009-01-14 | Australian Open | Q128 | hard | Evgeny Korolev | 6-4 6-1 |
Averages over each player's completed matches in the selected window (190 vs 173). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About