2016 Challenger Ciudad de Guayaquil

The 2016 Challenger Ciudad de Guayaquil was a professional tennis tournament played on clay courts. It was the twelfth edition of the tournament which was part of the 2016 ATP Challenger Tour. It took place in Guayaquil, Ecuador, between October 31 and November 6, 2016.

Seeds

 * 1 Rankings are as of October 24, 2016.

Other entrants
The following players received wildcards into the singles main draw:
 * 🇪🇨 Iván Endara
 * 🇪🇨 Gonzalo Escobar
 * 🇪🇨 Emilio Gómez
 * 🇪🇨 Roberto Quiroz

The following players received entry from the qualifying draw:
 * 🇨🇴 Daniel Elahi Galán
 * Bastián Malla
 * 🇦🇷 Andrés Molteni
 * 🇧🇷 João Pedro Sorgi

The following player entered as a lucky loser:
 * 🇦🇹 Michael Linzer

Singles

 * 🇦🇷 Nicolás Kicker def. 🇧🇪 Arthur De Greef 6–3, 6–2

Doubles

 * Ariel Behar / 🇧🇷 Fabiano de Paula def. Marcelo Arévalo / 🇵🇪 Sergio Galdós 6–2, 6–4