# 2017 Internationaux de Tennis de Blois – Singles

Carlos Berlocq was the defending champion but chose not to defend his title.
Damir Džumhur won the title after defeating Calvin Hemery 6–1, 6–3 in the final.

## Seeds

* Damir Džumhur (champion)
* Taro Daniel (withdrew)
* Thiago Monteiro (second round)
* Henri Laaksonen (semifinals)
* Casper Ruud (quarterfinals)
* Stéphane Robert (second round)
* Jan Šátral (first round)
* João Souza (first round, retired)

## Draw
### Key

* Q = Qualifier
* WC = Wild card
* LL = Lucky loser
* Alt = Alternate
* SE = Special exempt
* PR = Protected ranking
* ITF = ITF entry
* JE = Junior exempt
* w/o = Walkover
* r = Retired
* d = Defaulted
* SR = Special ranking

### Finals

| Semifinals | Semifinals | Semifinals | Semifinals | Final | Final | Final | Final |
| 1 | Damir Džumhur | 7$^{12}$ | 6 | | | | |
| 4 | Henri Laaksonen | 6$^{10}$ | 1 | | | | |
| 4 | Henri Laaksonen | 6$^{10}$ | 1 | 1 | Damir Džumhur | 6 | 6 |
| | | | | | Calvin Hemery | 1 | 3 |
| | Calvin Hemery | 6 | 7$^7$ | | Calvin Hemery | 1 | 3 |
| | Mathias Bourgue | 1 | 6$^5$ | | | | |

### Top half

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 1 | D Džumhur | 6 | 2 | | | | | | | | | | | | | | | |
| Q | J Zopp | 4 | 1$^r$ | | 1 | D Džumhur | 6$^4$ | 6 | 6 | | | | | | | | | |
| WC | G Mina | 2 | 0$^r$ | | SE | F Auger-Aliassime | 7$^7$ | 3 | 4 | | | | | | | | | |
| SE | F Auger-Aliassime | 6 | 4 | | | | | | | 1 | D Džumhur | 6 | 6$^5$ | 6 | | | | |
| WC | A Müller | 1 | 6 | 6 | | | | | | WC | A Müller | 2 | 7$^7$ | 4 | | | | |
| Q | C Moutet | 6 | 4 | 2 | WC | A Müller | 6 | 6 | | | | | | | | | | |
| | A Vatutin | 6 | 3 | 4 | 6 | S Robert | 2 | 4 | | | | | | | | | | |
| 6 | S Robert | 3 | 6 | 6 | | | | | | | | | | | 1 | D Džumhur | 7$^{12}$ | 6 |
| 4 | H Laaksonen | 6 | 7$^7$ | | | | | | | | | | | | 4 | H Laaksonen | 6$^{10}$ | 1 |
| | D Brands | 1 | 6$^4$ | | 4 | H Laaksonen | 6 | 6 | | | | | | | | | | |
| | C Lestienne | 5 | | | | C Lestienne | 4 | 4 | | | | | | | | | | |
| | A Nedovyesov | 0$^r$ | | | | | | | | 4 | H Laaksonen | 6$^0$ | 6 | 6 | | | | |
| WC | B Bonzi | 7 | 4 | 7$^7$ | | | | | | | B Rola | 7$^7$ | 3 | 4 | | | | |
| Q | T Griekspoor | 5 | 6 | 6$^1$ | WC | B Bonzi | 3 | 3 | | | | | | | | | | |
| | B Rola | 6 | 6 | | | B Rola | 6 | 6 | | | | | | | | | | |
| 7 | J Šátral | 4 | 1 | | | | | | | | | | | | | | | |

### Bottom half

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals |
| 5 | C Ruud | 7 | 6 | | | | | | | | | | | | | | |
| | K Coppejans | 5 | 3 | | 5 | C Ruud | 3 | 6 | 6 | | | | | | | | |
| | T Lamasine | 6 | 4 | 4 | WC | J Eysseric | 6 | 1 | 4 | | | | | | | | |
| WC | J Eysseric | 3 | 6 | 6 | | | | | | 5 | C Ruud | 3 | 5 | | | | |
| | C Hemery | 7 | 6 | | | | | | | | C Hemery | 6 | 7 | | | | |
| | M González | 5 | 0 | | | C Hemery | 7$^7$ | 7$^7$ | | | | | | | | | |
| | G Andreozzi | 5 | 3 | | 3 | T Monteiro | 6$^2$ | 6$^3$ | | | | | | | | | |
| 3 | T Monteiro | 7 | 6 | | | | | | | | | | | | C Hemery | 6 | 7$^7$ |
| 8 | J Souza | 4 | 0$^r$ | | | | | | | | | | | | M Bourgue | 1 | 6$^5$ |
| LL | G Jacq | 6 | 0 | | LL | G Jacq | 2 | 5 | | | | | | | | | |
| | M Bourgue | 6 | 6 | | | M Bourgue | 6 | 7 | | | | | | | | | |
| | R Ramanathan | 4 | 2 | | | | | | | | M Bourgue | 5 | 6 | 6 | | | |
| | Í Cervantes | 5 | 0$^r$ | | | | | | | | P Sousa | 7 | 3 | 3 | | | |
| | J Hernández-Fernández | 7 | 4 | | | J Hernández-Fernández | 5 | 1 | | | | | | | | | |
| | P Sousa | 6 | 6 | | | P Sousa | 7 | 6 | | | | | | | | | |
| Q | M Banes | 3 | 3 | | | | | | | | | | | | | | |