Arantxa Rus defeated Mariana Duque Marino 6-2 6-4 in the Bucharest round of 32 on clay. The upset overturned the form book — Mariana Duque Marino came in leading the head-to-head 3–1. Arantxa Rus narrowed the head-to-head to 3–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2013-03-25 | Osprey FL 50K | R32 | clay | Mariana Duque Marino | 6-1 6-0 |
| 2009-02-28 | Monterrey | Q32 | hard | Arantxa Rus | 6-2 4-6 6-2 |
| 2007-10-22 | Mexico City 25K | R32 | hard | Mariana Duque Marino | 6-4 7-6(3) |
| 2007-10-15 | San Luis Potosi 25K | F | hard | Mariana Duque Marino | 3-6 6-4 6-3 |
Averages over each player's completed matches in the selected window (200 vs 22). 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