Christopher Racz defeated Mauricio Echazu 6-3 6-4 in the Colombia F2 round of 16 on clay. The upset overturned the form book — Mauricio Echazu came in leading the head-to-head 1–0. Christopher Racz claimed a first win over Mauricio Echazu in two meetings, levelling the head-to-head at 1–1.
Racz C. took it in straight sets.
Christopher Racz beat Mauricio Echazu 6-3 6-4. Umpiry, "Christopher Racz vs Mauricio Echazu — Colombia F2 Round of 16", https://umpiry.com/match/2012-08-20/echazu-vs-racz-colombia-f2-r16?utm_source=cite (as of 20 August 2012).