Mariana Duque Marino defeated Frederica Piedade 6-3 1-6 6-3 in the Toluca 10K semi-final on hard. The result followed the form book — Mariana Duque Marino came in leading the head-to-head 3–0. Mariana Duque Marino extended the head-to-head to 4–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2009-05-21 | Roland Garros | Q64 | clay | Mariana Duque Marino | 6-3 6-4 |
| 2007-10-08 | Saltillo 25K | R32 | hard | Mariana Duque Marino | 6-4 6-3 |
| 2007-03-19 | Coatzacoalcos 25K | R16 | hard | Mariana Duque Marino | 6-4 2-0 |
Averages over each player's completed matches in the selected window (182 vs 3). ATP, WTA & Challenger.
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About