Ricardo Urzua Rivera defeated Cristobal Saavedra Corvalan 6-4 7-5 in the Chile F4 semi-final on clay. The upset overturned the form book — Cristobal Saavedra Corvalan came in leading the head-to-head 3–0. Ricardo Urzua Rivera claimed a first win over Cristobal Saavedra Corvalan in four meetings, narrowing the head-to-head to 3–1.
Urzua Rivera R. took it in straight sets.
Ricardo Urzua Rivera beat Cristobal Saavedra Corvalan 6-4 7-5. Umpiry, "Ricardo Urzua Rivera vs Cristobal Saavedra Corvalan — Chile F4 Semi-final", https://umpiry.com/match/2013-09-23/corvalan-vs-rivera-chile-f4-sf?utm_source=cite (as of 23 September 2013).