| Singles | |
|---|---|
| 2017 Poznań Open | |
| Champion |  Alexey Vatutin |
| Runner-up |  Guido Andreozzi |
| Score | 2–6, 7–6(12–10), 6–3 |
Radu Albot was the defending champion but chose not to defend his title.
Alexey Vatutin won the title after defeating Guido Andreozzi 2–6, 7–6(12–10), 6–3 in the final.
Casper Ruud (second round)
Florian Mayer (second round)
Adam Pavlásek (semifinals)
Jerzy Janowicz (second round) Jan Šátral (second round) Guido Andreozzi (final)
Rubén Ramírez Hidalgo (quarterfinals) Lukáš Rosol (quarterfinals)| Semifinals | Final | ||||||||||||
| 6 | Guido Andreozzi | 3 | 6 | 6 | |||||||||
| 3 | Adam Pavlásek | 6 | 2 | 2 | |||||||||
| 6 | Guido Andreozzi | 6 | 610 | 3 | |||||||||
| Alexey Vatutin | 2 | 712 | 6 | ||||||||||
 Gonçalo Oliveira | 6 | 5 | 2 | ||||||||||
| Alexey Vatutin | 2 | 7 | 6 | ||||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 1 | C Ruud | 6 | 6 | ||||||||||||||||||||||||
| WC |  VV Cornea | 2 | 3 | 1 | C Ruud | 65 | 4 | ||||||||||||||||||||
| Z Kolař | 6 | 6 | Z Kolař | 77 | 6 | ||||||||||||||||||||||
| Marek Jaloviec | 1 | 0 | Z Kolař | 5 | 6 | 0 | |||||||||||||||||||||
 S Fayziev | 2 | 4 | 6 | G Andreozzi | 7 | 3 | 6 | ||||||||||||||||||||
| K Majchrzak | 6 | 6 | K Majchrzak | 4 | 7 | 0 | |||||||||||||||||||||
 M Linzer | 3 | 6 | 3 | 6 | G Andreozzi | 6 | 5 | 6 | |||||||||||||||||||
| 6 | G Andreozzi | 6 | 4 | 6 | 6 | G Andreozzi | 3 | 6 | 6 | ||||||||||||||||||
| 3 | A Pavlásek | 7 | 6 | 3 | A Pavlásek | 6 | 2 | 2 | |||||||||||||||||||
| Q |  J Mridha | 5 | 2 | 3 | A Pavlásek | 6 | 6 | ||||||||||||||||||||
 P Krstin | 4 | 6 | 6 | P Krstin | 1 | 0 | |||||||||||||||||||||
| WC | A Kapaś | 6 | 1 | 4 | 3 | A Pavlásek | 6 | 6 | |||||||||||||||||||
| Q | Mariano Kestelboim | 6 | 6 | 7 | R Ramírez Hidalgo | 2 | 4 | ||||||||||||||||||||
 S Balaji | 4 | 4 | Q | M Kestelboim | 3 | 2 | |||||||||||||||||||||
| Q | Maciej Rajski | 4 | 1 | 7 | R Ramírez Hidalgo | 6 | 6 | ||||||||||||||||||||
| 7 | R Ramírez Hidalgo | 6 | 6 | ||||||||||||||||||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 5 | J Šátral | 79 | 6 | ||||||||||||||||||||||||
 G Clezar | 67 | 0 | 5 | J Šátral | 5 | 1 | |||||||||||||||||||||
 J Eysseric | 6 | 6 | J Eysseric | 7 | 6 | ||||||||||||||||||||||
| WC | H Hurkacz | 3 | 4 | J Eysseric | 62 | 4 | |||||||||||||||||||||
| G Oliveira | 6 | 6 | G Oliveira | 77 | 6 | ||||||||||||||||||||||
| Petr Michnev | 2 | 4 | G Oliveira | 5 | 6 | 6 | |||||||||||||||||||||
| J Munar | 61 | 2 | 4 | J Janowicz | 7 | 2 | 4 | ||||||||||||||||||||
| 4 | J Janowicz | 77 | 6 | G Oliveira | 6 | 5 | 2 | ||||||||||||||||||||
| 8 | L Rosol | 6 | 4 | 6 | A Vatutin | 2 | 7 | 6 | |||||||||||||||||||
| A Velotti | 4 | 6 | 3 | 8 | L Rosol | 77 | 6 | ||||||||||||||||||||
| WC | Michał Dembek | 6 | 6 | WC | M Dembek | 63 | 3 | ||||||||||||||||||||
 Y Reuter | 4 | 2 | 8 | L Rosol | 5 | 6 | 3 | ||||||||||||||||||||
| A Vatutin | 77 | 6 | A Vatutin | 7 | 3 | 6 | |||||||||||||||||||||
 A Nedovyesov | 61 | 3 | A Vatutin | 7 | 6 | ||||||||||||||||||||||
| Q |  D Kalenichenko | 1 | 4 | 2 | F Mayer | 5 | 4 | ||||||||||||||||||||
| 2 | F Mayer | 6 | 6 | ||||||||||||||||||||||||
Brian Dabul was the defending champion, but decided not to participate.
Guido Pella won the title, defeating Maximiliano Estévez 6–4, 7–5 in the final.
Horacio Zeballos defeated Rafael Nadal in the final, 6–7(2–7), 7–6(8–6), 6–4 to win the singles tennis title at the 2013 Chile Open. It was Nadal's first tournament in eight months.
Paolo Lorenzi was the defending champion, but chose to compete at the 2013 ATP Vegeta Croatia Open Umag instead.
Guido Andreozzi was the defending champion, but lost to compatriot Martín Alund in the quarterfinals.
Top seed Horacio Zeballos won the title defeating Facundo Bagnis 6–7(4–7), 6–3, 6–3.
David Ferrer was the two-time defending champion and successfully defended his title by beating Fabio Fognini in the final 6–4, 6–3.
Facundo Bagnis was not the defending his title.
These are the ATP Challenger Tour singles matches for the 2014 Trofeo Ricardo Delgado Aray.
Facundo Argüello was the defending champion, but lost in the quarterfinals to Guido Andreozzi.
Guido Andreozzi was the defending champion, but lost in the quarterfinals to Diego Sebastián Schwartzman.
Rafael Nadal was the defending champion, but chose not to participate this year.
Guido Pella was the defending champion but chose not to defend his title.
Dominic Thiem was the defending champion, but chose to compete in Rotterdam instead.
Pablo Cuevas was the two-time defending champion and successfully defended his title, defeating Albert Ramos Viñolas in the final, 6–7(3–7), 6–4, 6–4.
Juan Mónaco was the defending champion, but lost in the first round to Dustin Brown.
Guido Andreozzi was the defending champion but chose not to defend his title.
Roberto Bautista Agut was the defending champion, but chose not to participate this year.
Gerald Melzer was the defending champion but lost in the first round to Federico Coria.
Guido Andreozzi was the defending champion but lost in the second round to Emilio Gómez.
Guido Andreozzi was the defending champion but lost to Jozef Kovalík in the final.
Cristian Garín was the defending champion, but chose not to defend his title.