2019 Challenger Ciudad de Guayaquil

The 2019 Challenger Ciudad de Guayaquil was a professional tennis tournament played on clay courts. It was the fifteenth edition of the tournament which was part of the 2019 ATP Challenger Tour. It took place in Guayaquil, Ecuador between October 28 and November 3, 2019.

Seeds

 * 1 Rankings are as of 21 October 2019.

Other entrants
The following players received wildcards into the singles main draw:
 * 🇧🇴 Hugo Dellien
 * 🇦🇷 Facundo Díaz Acosta
 * 🇨🇴 Alejandro González
 * 🇪🇨 Antonio Cayetano March
 * 🇪🇨 Alexander Zederbauer

The following player received entry into the singles main draw as an alternate:
 * 🇧🇷 Wilson Leite

The following players received entry from the qualifying draw:
 * 🇵🇪 Mauricio Echazú
 * 🇧🇷 Rafael Matos

The following player received entry as a lucky loser:
 * 🇧🇴 Federico Zeballos

Singles

 * 🇧🇷 Thiago Seyboth Wild def. 🇧🇴 Hugo Dellien 6–4, 6–0.

Doubles

 * Ariel Behar / 🇪🇨 Gonzalo Escobar def. 🇧🇷 Pedro Sakamoto / 🇧🇷 Thiago Seyboth Wild 7–6(7–4), 7–6(7–5).