Guillermo Hormazabal defeated Juan Sebastian Vivanco 6-3 4-6 6-3 in the Chile F11 round of 16 on clay. The result followed the form book — Guillermo Hormazabal came in leading the head-to-head 2–0. Guillermo Hormazabal extended the head-to-head to 3–0.
Hormazabal G. came through in three sets.
Guillermo Hormazabal beat Juan Sebastian Vivanco 6-3 4-6 6-3. Umpiry, "Guillermo Hormazabal vs Juan Sebastian Vivanco — Chile F11 Round of 16", https://umpiry.com/match/2011-10-31/hormazabal-vs-vivanco-chile-f11-r16?utm_source=cite (as of 31 October 2011).