Andrea Koch Benvenuto defeated Tatiana Bua 7-6 4-6 6-4 in the Buenos Aires 10K round of 16 on clay. The upset overturned the form book — Tatiana Bua came in leading the head-to-head 1–0, but Andrea Koch Benvenuto had been the form player, winning 1 of their last 4 on clay. Andrea Koch Benvenuto claimed a first win over Tatiana Bua in two meetings, levelling the head-to-head at 1–1.
Koch Benvenuto A. came through in three sets.
Andrea Koch Benvenuto beat Tatiana Bua 7-6(5) 4-6 6-4. Umpiry, "Andrea Koch Benvenuto vs Tatiana Bua — Buenos Aires 10K Round of 16", https://umpiry.com/match/2011-02-14/benvenuto-vs-bua-buenos-aires-10k-r16?utm_source=cite (as of 14 February 2011).