Gonzalo Lama defeated Cristobal Saavedra Corvalan 6-4 6-4 in the Chile F3 quarter-final on clay. The upset overturned the form book — Cristobal Saavedra Corvalan came in leading the head-to-head 4–2. Gonzalo Lama narrowed the head-to-head to 4–3.
Lama G. took it in straight sets.
Gonzalo Lama beat Cristobal Saavedra Corvalan 6-4 6-4. Umpiry, "Gonzalo Lama vs Cristobal Saavedra Corvalan — Chile F3 Quarter-final", https://umpiry.com/match/2013-04-29/corvalan-vs-lama-chile-f3-qf?utm_source=cite (as of 29 April 2013).