Martin Cuevas defeated Mauricio Echazu 7-5 6-1 6-4 in the URU vs PER round robin on clay. The upset overturned the form book — Mauricio Echazu came in leading the head-to-head 2–1. That levelled the head-to-head at 2–2.
Cuevas M. took it in straight sets.
Martin Cuevas beat Mauricio Echazu 7-5 6-1 6-4. Umpiry, "Martin Cuevas vs Mauricio Echazu — URU vs PER Round Robin", https://umpiry.com/match/2016-03-04/cuevas-vs-echazu-uru-vs-per-rr?utm_source=cite (as of 4 March 2016).