Juan Carlos Saez defeated Tomas Barrios Vera 7-5 3-6 7-6 in the Chile F2 semi-final on clay. The upset overturned the form book — Tomas Barrios Vera came in leading the head-to-head 1–0. Juan Carlos Saez claimed a first win over Tomas Barrios Vera in two meetings, levelling the head-to-head at 1–1.
Saez J. came through in three sets.
Juan Carlos Saez beat Tomas Barrios Vera 7-5 3-6 7-6(4). Umpiry, "Juan Carlos Saez vs Tomas Barrios Vera — Chile F2 Semi-final", https://umpiry.com/match/2017-11-27/saez-vs-vera-chile-f2-sf?utm_source=cite (as of 27 November 2017).