Robert Coman defeated Razvan Sabau 6-2 7-6 in the Romania F10 round of 32 on clay. The upset overturned the form book — Razvan Sabau came in leading the head-to-head 4–0. Robert Coman claimed a first win over Razvan Sabau in five meetings, narrowing the head-to-head to 4–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2012-05-07 | Bulgaria F1 | R32 | clay | Razvan Sabau | 6-3 6-2 |
| 2011-08-29 | Romania F9 | SF | clay | Razvan Sabau | 6-2 6-2 |
| 2010-07-26 | Romania F9 | QF | clay | Razvan Sabau | 7-6(4) 7-5 |
| 2010-05-24 | Romania F2 | QF | clay | Razvan Sabau | 6-1 7-5 |