Radoslav Lukaev defeated Louk Sorensen 6-3 6-3 in the Bulgaria 1 1 semi-final on clay. The upset overturned the form book — Louk Sorensen came in leading the head-to-head 1–0. Radoslav Lukaev claimed a first win over Louk Sorensen in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2005-05-02 | Bulgaria 1 4 | QF | clay | Louk Sorensen | 6-2 6-4 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.