Gonzalo Lama defeated Hans Podlipnik Castillo 6-1 6-4 in the Chile F9 qualifying round on clay. The upset overturned the form book — Hans Podlipnik Castillo came in leading the head-to-head 2–1, but Gonzalo Lama had been the form player, winning 3 of their last 6 on clay. That levelled the head-to-head at 2–2.
Lama G. took it in straight sets.
Gonzalo Lama beat Hans Podlipnik Castillo 6-1 6-4. Umpiry, "Gonzalo Lama vs Hans Podlipnik Castillo — Chile F9 Qualifying Round", https://umpiry.com/match/2013-11-25/castillo-vs-lama-chile-f9-qf?utm_source=cite (as of 25 November 2013).