Joao Souza defeated Ivan Endara 6-3 6-4 in the Quito qualifying round of 16 on clay. The result followed the form book — Joao Souza came in leading the head-to-head 1–0, defending last year's round of 32. Joao Souza extended the head-to-head to 2–0.
Souza J. took it in straight sets.
Joao Souza beat Ivan Endara 6-3 6-4. Umpiry, "Joao Souza vs Ivan Endara — Quito Qualifying Round of 16", https://umpiry.com/match/2016-01-30/endara-vs-souza-quito-q16?utm_source=cite (as of 30 January 2016).