| Singles | |
|---|---|
| 2017 Quito Challenger | |
| Champion |  Nicolás Jarry |
| Runner-up |  Gerald Melzer |
| Final score | 6–3, 6–2 |
Horacio Zeballos was the defending champion but chose not to defend his title.
Nicolás Jarry won the title after defeating Gerald Melzer 6–3, 6–2 in the final.
Víctor Estrella Burgos (semifinals)
Renzo Olivo (first round) Nicolás Jarry (champion) Sebastian Ofner (first round) Gerald Melzer (final)
Andrej Martin (quarterfinals)
Guilherme Clezar (quarterfinals)
Prajnesh Gunneswaran (first round)| Semifinals | Final | ||||||||||||
| 1 | Víctor Estrella Burgos | 6 | 64 | 3 | |||||||||
| 3 | Nicolás Jarry | 4 | 77 | 6 | |||||||||
| 3 | Nicolás Jarry | 6 | 6 | ||||||||||
| 5 | Gerald Melzer | 3 | 2 | ||||||||||
| 5 | Gerald Melzer | 77 | 6 | ||||||||||
| Facundo Mena | 64 | 4 | |||||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 1 | V Estrella Burgos | 6 | 3 | 6 | |||||||||||||||||||||||
 J Statham | 4 | 6 | 3 | 1 | V Estrella Burgos | 77 | 6 | ||||||||||||||||||||
| B Sant'Anna | 1 | 1 |  G Escobar | 65 | 3 | ||||||||||||||||||||||
| G Escobar | 6 | 6 | 1 | V Estrella Burgos | 78 | 7 | |||||||||||||||||||||
| Alt |  C Rodríguez | 65 | 3 | 6 | A Martin | 66 | 5 | ||||||||||||||||||||
| WC | E Gómez | 77 | 6 | WC | E Gómez | 3 | 5 | ||||||||||||||||||||
| Q |  M Sánchez | 2 | 2 | 6 | A Martin | 6 | 7 | ||||||||||||||||||||
| 6 | A Martin | 6 | 6 | 1 | V Estrella Burgos | 6 | 64 | 3 | |||||||||||||||||||
| 3 | N Jarry | 6 | 6 | 3 | N Jarry | 4 | 77 | 6 | |||||||||||||||||||
| JP Paz | 4 | 3 | 3 | N Jarry | 6 | 6 | |||||||||||||||||||||
| JP Sorgi | 6 | 3 | 6 | JP Sorgi | 4 | 4 | |||||||||||||||||||||
| JP Ficovich | 3 | 6 | 3 | 3 | N Jarry | 4 | 77 | 6 | |||||||||||||||||||
| R Quiroz | 4 | 6 | 6 | 7 | G Clezar | 6 | 64 | 4 | |||||||||||||||||||
| WC | D Hidalgo | 6 | 4 | 4 | R Quiroz | 3 | 77 | 2 | |||||||||||||||||||
| Q | C Salamanca | 77 | 62 | 0r | 7 | G Clezar | 6 | 63 | 6 | ||||||||||||||||||
| 7 | G Clezar | 65 | 77 | 3 | |||||||||||||||||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 5 | G Melzer | 6 | 6 | ||||||||||||||||||||||||
| Q |  JP Varillas | 4 | 2 | 5 | G Melzer | 713 | 6 | ||||||||||||||||||||
| M Linzer | 77 | 4 | 6 | M Linzer | 611 | 3 | |||||||||||||||||||||
| A Velotti | 62 | 6 | 3 | 5 | G Melzer | 6 | 6 | ||||||||||||||||||||
 C Lindell | 5 | 0r |  M Hamou | 2 | 4 | ||||||||||||||||||||||
| M Hamou | 7 | 0 | M Hamou | 77 | 4 | 7 | |||||||||||||||||||||
| DE Galán | 6 | 5 | 6 | DE Galán | 64 | 6 | 5 | ||||||||||||||||||||
| 4 | S Ofner | 4 | 7 | 4 | 5 | G Melzer | 77 | 6 | |||||||||||||||||||
| 8 | P Gunneswaran | 3 | 7 | 4 | F Mena | 64 | 4 | ||||||||||||||||||||
 M Arévalo | 6 | 5 | 6 | M Arévalo | 63 | 3 | |||||||||||||||||||||
| F Mena | 6 | 6 | F Mena | 77 | 6 | ||||||||||||||||||||||
| JI Londero | 4 | 2 | F Mena | 3 | 6 | 77 | |||||||||||||||||||||
| Q | P Sakamoto | 79 | 3 | 4 | WC | G Lama | 6 | 2 | 62 | ||||||||||||||||||
| WC | G Lama | 67 | 6 | 6 | WC | G Lama | 6 | 5 | |||||||||||||||||||
 R Bellotti | 78 | 4 | 6 | R Bellotti | 1 | 4r | |||||||||||||||||||||
| 2/WC | R Olivo | 66 | 6 | 4 | |||||||||||||||||||||||
Jürgen Melzer was the defending champion. He successfully defended his last year's title by beating Lucky loser and his compatriot, Andreas Haider-Maurer 6–7(10–12), 7–6(7–4), 6–4 in the final match.
Juan Mónaco was the defending champion, but lost to John Isner in the semifinals.
Isner went on to win the title, defeating Nicolás Almagro in the final, 6–3, 7–5.
Mikhail Youzhny was the defending champion, but lost to Robin Haase in the quarterfinals.
Pablo Andújar won the title, defeating Juan Mónaco in the final, 6–3, 7–5.
This was the first edition of the tournament.
Andrej Martin and Gerald Melzer were the defending champions, but Martin chose not to participate. Melzer partnered with Yannick Mertens instead and lost in the first round.
Martin Kližan was the defending champion, but withdrew before the tournament began.
Andy Murray won his first clay-court title, defeating Philipp Kohlschreiber in the final, 7–6(7–4), 5–7, 7–6(7–4).
Damir Džumhur was the defending champion, but chose to participate in the 2016 Memphis Open instead.
Víctor Estrella Burgos was the defending champion, but withdrew from the tournament.
Íñigo Cervantes was the defending champion but chose not to defend his title.
Gerald Melzer was the defending champion but chose not to defend his title.
Facundo Bagnis was the defending champion but chose not to defend his title.
Gerald Melzer was the defending champion but chose not to defend his title.
Facundo Bagnis was the defending champion but chose not to defend his title.
Renzo Olivo was the defending champion but lost in the quarterfinals to Horacio Zeballos.
Nicolás Kicker was the defending champion but lost in the quarterfinals to Facundo Bagnis.
Víctor Estrella Burgos was the three-time defending champion and the tournament's only champion to date, but lost in the second round to Gerald Melzer.
Fabio Fognini was the defending champion, but he chose to compete in Umag instead.
Julio Peralta and Horacio Zeballos were the defending champions, but Peralta chose not to participate this year. Zeballos played alongside Leonardo Mayer, but lost in the first round to Pablo Cuevas and Nicolás Jarry.
Marcelo Arévalo was the defending champion but chose not to defend his title.
Julian Lenz and Gerald Melzer were the defending champions but chose not to defend their title.