Stefan Vinti defeated Patrick Grigoriu 6-2 6-4 in the Romania F7 round of 32 on clay. The upset overturned the form book — Patrick Grigoriu came in leading the head-to-head 1–0, but Stefan Vinti had been the form player, winning 6 of their last 10 on clay. Stefan Vinti claimed a first win over Patrick Grigoriu in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2013-08-19 | Romania F9 | Q32 | clay | Patrick Grigoriu | 2-6 6-3 7-5 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.