2017 Challenger Ciudad de Guayaquil

The 2017 Challenger Ciudad de Guayaquil was a professional tennis tournament played on clay courts. It was the thirteenth edition of the tournament which was part of the 2017 ATP Challenger Tour. It took place in Guayaquil, Ecuador between October 30 and November 4, 2017.

Seeds

 * 1 Rankings are as of 23 October 2017.

Other entrants
The following players received wildcards into the singles main draw:
 * 🇪🇨 Emilio Gómez
 * 🇩🇴 José Hernández-Fernández
 * 🇪🇨 Roberto Quiroz
 * 🇵🇪 Juan Pablo Varillas

The following players received entry as alternates:
 * 🇧🇴 Hugo Dellien
 * 🇧🇷 João Souza

The following players received entry from the qualifying draw:
 * Martín Cuevas
 * 🇦🇷 Juan Pablo Ficovich
 * 🇧🇬 Dimitar Kuzmanov
 * Gonzalo Lama

Singles

 * 🇦🇹 Gerald Melzer def. 🇦🇷 Facundo Bagnis 6–3, 6–1.

Doubles

 * Marcelo Arévalo / 🇲🇽 Miguel Ángel Reyes-Varela def. 🇧🇴 Hugo Dellien / 🇧🇴 Federico Zeballos 6–1, 6–7(7–9), [10–6].