Mariana Duque Marino defeated Andrea Koch Benvenuto 6-3 7-5 in the Los Mochis 10K qualifying round on clay. The upset overturned the form book — Andrea Koch Benvenuto came in leading the head-to-head 2–1. Mariana Duque Marino narrowed the head-to-head to 2–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2011-07-11 | Bogota 25K | QF | clay | Mariana Duque Marino | 6-1 6-1 |
| 2005-08-22 | Bogota 10K | SF | clay | Andrea Koch Benvenuto | 7-5 3-6 6-3 |
| 2004-09-13 | Bogota 10K | R16 | clay | Andrea Koch Benvenuto | 7-6(5) 6-3 |
Averages over each player's completed matches in the selected window (182 vs 1). 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. Small sample — read as indicative. About