| Singles | |
|---|---|
| 2016 ATP Challenger Torino | |
| Champion |  Gastão Elias |
| Runner-up |  Enrique López-Pérez |
| Final score | 3–6, 6–4, 6–2 |
Marco Cecchinato was the defending champion but chose not to participate.
Gastão Elias won the title, defeating Enrique López-Pérez 3–6, 6–4, 6–2 in the final.
Rogério Dutra Silva (first round)
Thomas Fabbiano (first round) Gastão Elias (champion)
Stéphane Robert (second round)
Andrej Martin (first round)
Igor Sijsling (first round) Luca Vanni (first round)
Kimmer Coppejans (quarterfinals)| Semifinals | Final | ||||||||||||
| SE | Enrique López-Pérez | 77 | 6 | ||||||||||
| Filippo Volandri | 65 | 4 | |||||||||||
| SE | Enrique López-Pérez | 6 | 4 | 2 | |||||||||
| 3 | Gastão Elias | 3 | 6 | 6 | |||||||||
| 3 | Gastão Elias | 6 | 6 | ||||||||||
 Laslo Djere | 3 | 2 | |||||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 1 | R Dutra Silva | 68 | 4 | ||||||||||||||||||||||||
 B Rola | 710 | 6 | B Rola | 6 | 0 | ||||||||||||||||||||||
| M Donati | 6 | 6 | M Donati | 4 | 0r | ||||||||||||||||||||||
| Q | J De Loore | 1 | 2 | B Rola | 63 | 2 | |||||||||||||||||||||
| G Naso | 6 | 6 | SE | E López-Pérez | 77 | 6 | |||||||||||||||||||||
| WC | S Caruso | 4 | 4 | G Naso | 2 | 1 | |||||||||||||||||||||
| SE | E López-Pérez | 6 | 6 | SE | E López-Pérez | 6 | 6 | ||||||||||||||||||||
| 7 | L Vanni | 3 | 4 | SE | E López-Pérez | 77 | 6 | ||||||||||||||||||||
| 4 | S Robert | 77 | 6 | F Volandri | 65 | 4 | |||||||||||||||||||||
 H Moriya | 65 | 3 | 4 | S Robert | 4 | 62 | |||||||||||||||||||||
| Y Mertens | 65 | 6 | 0 | F Volandri | 6 | 77 | |||||||||||||||||||||
| F Volandri | 77 | 3 | 6 | F Volandri | 6 | 2 | 6 | ||||||||||||||||||||
| WC | S Napolitano | 6 | 6 | 8 | K Coppejans | 2 | 6 | 2 | |||||||||||||||||||
| D Guez | 4 | 4 | WC | S Napolitano | 6 | 4 | 3 | ||||||||||||||||||||
| WC | L Sonego | 6 | 3 | 60 | 8 | K Coppejans | 4 | 6 | 6 | ||||||||||||||||||
| 8 | K Coppejans | 4 | 6 | 77 | |||||||||||||||||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 6 | I Sijsling | 3 | 5 | ||||||||||||||||||||||||
| V Millot | 6 | 7 | V Millot | 3 | 2 | ||||||||||||||||||||||
 H Podlipnik | 77 | 7 | H Podlipnik | 6 | 6 | ||||||||||||||||||||||
 A Karatsev | 64 | 5 | H Podlipnik | 6 | 4 | 65 | |||||||||||||||||||||
 A Golubev | 3 | 6 | 3 | 3 | G Elias | 3 | 6 | 77 | |||||||||||||||||||
| Q | P Sousa | 6 | 3 | 6 | Q | P Sousa | 2 | 6 | 5 | ||||||||||||||||||
| Q |  M Bachinger | 5 | 77 | 1 | 3 | G Elias | 6 | 4 | 7 | ||||||||||||||||||
| 3 | G Elias | 7 | 62 | 6 | 3 | G Elias | 6 | 6 | |||||||||||||||||||
| 5 | A Martin | 0 | 2 | L Djere | 3 | 2 | |||||||||||||||||||||
| Q |  N Mektić | 6 | 6 | Q | N Mektić | 4 | 2 | ||||||||||||||||||||
| L Djere | 7 | 6 | L Djere | 6 | 6 | ||||||||||||||||||||||
 J Zopp | 5 | 2 | L Djere | 6 | 6 | ||||||||||||||||||||||
| A Giannessi | 3r | WC | E Eremin | 3 | 3 | ||||||||||||||||||||||
 U Ignatik | 5 | U Ignatik | 6 | 2 | 3 | ||||||||||||||||||||||
| WC | Edoardo Eremin | 3 | 6 | 7 | WC | E Eremin | 4 | 6 | 6 | ||||||||||||||||||
| 2 | T Fabbiano | 6 | 1 | 5 | |||||||||||||||||||||||
Ricardo Mello was the defending champion but decided not to participate.
Thiago Alves won the title after defeating Gastão Elias 7–6(7–5), 7–6(7–1) in the final.
Nicolás Almagro was the two-time defending champion, but lost in the quarterfinals to David Nalbandian.
Rafael Nadal won the title, defeating Nalbandian in the final 6–2, 6–3.
David Ferrer was the defending champion, and he successfully defended his title by defeating Stanislas Wawrinka in the final 6–4, 3–6, 6–1.
Ivo Minář was the defending champion but decided not to participate.
Gastão Elias won the title by defeating Rogério Dutra da Silva 4–6, 6–2, 6–0 in the final.
Ernests Gulbis was the defending champion, but chose to compete in Marseille instead.
Marin Čilić won the title, defeating Kevin Anderson in the final, 7–6(8–6), 6–7(7–9), 6–4.
Rafael Nadal was the defending champion but chose not to compete.
Julian Reister was the defending champion but chose not to compete.
Rafael Nadal was the defending champion, but lost to Dominic Thiem in the semifinals.
David Ferrer was the defending champion, but lost in the quarterfinals to Dominic Thiem.
Pablo Cuevas was the defending champion and successfully defended his title, defeating Pablo Carreño Busta in the final, 7–6(7–4), 6–3.
Máximo González was the defending champion, but chose not to defend his title.
Stan Wawrinka was the defending champion, but withdrew before the tournament began.
Gastão Elias was the defending champion but lost in the first round to André Ghem.
Gastão Elias was the defending champion but lost in the first round to Guilherme Clezar.
Juan Sebastián Cabal and Robert Farah were the defending champions, but lost in the final to Pablo Carreño Busta and Pablo Cuevas, 4–6, 7–5, [8–10].
Elias Ymer was the defending champion but lost in the first round to Lukáš Rosol.
The 2017 ATP Lyon Open was a men's tennis tournament that was played on outdoor clay courts. It was the 1st edition of the Lyon Open and part of the ATP World Tour 250 series of the 2017 ATP World Tour. It took place in the city of Lyon, France, from May 21 through May 27, 2017.
Gonzalo Lama was the defending champion but lost in the first round to João Souza.
Alexandr Dolgopolov was the defending champion, but withdrew before the tournament began.
Dominic Thiem was the defending champion, but lost in the quarterfinals to Fernando Verdasco.