Matias Oneille defeated Rafael Serpa Guinazu 1-6 7-6 7-6 in the Argentina 2 Masters 4 round of 16 on clay. The result followed the form book — Matias Oneille came in leading the head-to-head 1–0. Matias Oneille extended the head-to-head to 2–0.
Oneille M. came through in three sets.