Razvan Sabau defeated Dragos Cristian Mirtea 6-3 6-2 in the Romania F3 round of 16 on clay. The upset overturned the form book — Dragos Cristian Mirtea came in leading the head-to-head 1–0, but Razvan Sabau had been the form player, winning 3 of their last 8 on clay. Razvan Sabau claimed a first win over Dragos Cristian Mirtea in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2013-08-19 | Romania F9 | QF | clay | Dragos Cristian Mirtea | 6-2 6-7(0) 6-3 |