Louk Sorensen defeated Ilia Kushev 3-6 6-3 7-5 in the Bulgaria 1 1 qualifying round on clay. The upset overturned the form book — Ilia Kushev came in leading the head-to-head 1–0. Louk Sorensen claimed a first win over Ilia Kushev in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2005-05-02 | Bulgaria 1 4 | F | clay | Ilia Kushev | 5-7 6-4 3-0 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.