Mariana Duque Marino defeated Klara Koukalova 6-0 7-6 in the Bogota quarter-final on clay. The upset overturned the form book — Klara Koukalova came in leading the head-to-head 2–0, defending last year's round of 16. Mariana Duque Marino claimed a first win over Klara Koukalova in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2014-02-17 | Rio de Janeiro | R32 | clay | Klara Koukalova | 6-4 6-4 |
| 2012-07-16 | Bastad | R16 | clay | Klara Koukalova | 6-0 6-1 |
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About
Averages over each player's completed matches in the selected window (150 vs 76). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About