Catalin Ionut Gard defeated Artemon Apostu Efremov 6-3 6-4 in the Bulgaria F2 qualifying round on clay. The upset overturned the form book — Artemon Apostu Efremov came in leading the head-to-head 4–0. Catalin Ionut Gard claimed a first win over Artemon Apostu Efremov in five meetings, narrowing the head-to-head to 4–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2005-08-29 | Romania F18 | QF | clay | Artemon Apostu Efremov | 6-3 7-5 |
| 2005-08-22 | Romania F17 | SF | clay | Artemon Apostu Efremov | 5-7 7-5 6-3 |
| 2001-03-19 | Egypt 1 4 | R32 | clay | Artemon Apostu Efremov | 6-3 6-7(5) 6-4 |
| 2000-09-04 | Romania F1 | R16 | clay | Artemon Apostu Efremov | 6-7(3) 6-2 6-0 |