2017 Challenger Ciudad de Guayaquil – Singles
| Singles | |
|---|---|
| 2017 Challenger Ciudad de Guayaquil | |
| Champion |
 Gerald Melzer
|
| Runner-up |
 Facundo Bagnis
|
| Final score | 6–3, 6–1 |
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.
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