See main article: 2017 Challenger Ciudad de Guayaquil.
Nicolás Kicker was the defending champion but lost in the quarterfinals to Facundo Bagnis.
Gerald Melzer won the title after defeating Bagnis 6–3, 6–1 in the final.
This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "2017 Challenger Ciudad de Guayaquil – Singles".
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