Mihaela Buzarnescu defeated Arantxa Rus 7-5 7-5 in the Roland Garros round of 128 on clay. The upset overturned the form book — Arantxa Rus came in ranked #206, defending last year's round of 128. Mihaela Buzarnescu extended the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2021-09-26 | W80 Valencia | F | clay | Arantxa Rus | 6-4 7-6(3) |
| 2017-06-28 | Wimbledon | Q128 | grass | Mihaela Buzarnescu | 2-6 7-6(9) 6-2 |
Averages over each player's completed matches in the selected window (85 vs 200). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About