Artemon Apostu Efremov defeated Adrian Ungur 6-4 6-3 in the Romania F13 semi-final on clay. The upset overturned the form book — Adrian Ungur came in leading the head-to-head 2–0. Artemon Apostu Efremov claimed a first win over Adrian Ungur in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2005-05-23 | Romania F4 | QF | clay | Adrian Ungur | 6-4 6-1 |
| 2005-05-09 | Romania F2 | R16 | clay | Adrian Ungur | 6-3 6-3 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.