Ivania Martinich defeated Macarena Olivares Lopez 6-0 6-2 in the Santa Cruz 10K qualifying round on clay. The upset overturned the form book — Macarena Olivares Lopez came in leading the head-to-head 1–0. Ivania Martinich claimed a first win over Macarena Olivares Lopez in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2011-11-21 | Rancagua 10K | R32 | clay | Macarena Olivares Lopez | 4-6 6-4 6-4 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.