Macarena Olivares Lopez defeated Ivania Martinich 4-6 6-4 6-4 in the Rancagua 10K round of 32 on clay. The upset overturned the form book — Ivania Martinich came in leading the head-to-head 1–0, but Macarena Olivares Lopez had been the form player, winning 6 of their last 10 on clay. Macarena Olivares Lopez claimed a first win over Ivania Martinich in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2013-08-05 | Santa Cruz 10K | QF | clay | Ivania Martinich | 6-0 6-2 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.