Guillermo Rivera Aranguiz defeated Nicolas Gustavo Kauer 6-3 6-3 in the Chile F4 semi-final on clay. The result followed the form book — Guillermo Rivera Aranguiz came in leading the head-to-head 2–0. Guillermo Rivera Aranguiz extended the head-to-head to 3–0.
Rivera Aranguiz G. took it in straight sets.
Guillermo Rivera Aranguiz beat Nicolas Gustavo Kauer 6-3 6-3. Umpiry, "Guillermo Rivera Aranguiz vs Nicolas Gustavo Kauer — Chile F4 Semi-final", https://umpiry.com/match/2011-06-20/aranguiz-vs-kauer-chile-f4-sf?utm_source=cite (as of 20 June 2011).