# 2017 Challenger Banque Nationale de Drummondville – Singles

Dan Evans was the defending champion, but decided not to participate this year.
Denis Shapovalov won the title, defeating Ruben Bemelmans 6–3, 6–2 in the final.

## Seeds

* Adam Pavlásek (first round)
* Peter Polansky (second round)
* Quentin Halys (second round, retired)
* Ruben Bemelmans (final)
* Vincent Millot (first round)
* Tennys Sandgren (second round)
* Sam Groth (first round)
* Igor Sijsling (first round)

## 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 |
| | John-Patrick Smith | 4 | 1 | | | | |
| 4 | Ruben Bemelmans | 6 | 6 | | | | |
| 4 | Ruben Bemelmans | 6 | 6 | 4 | Ruben Bemelmans | 3 | 2 |
| | | | | | Denis Shapovalov | 6 | 6 |
| | Denis Shapovalov | 7 | 6 | | Denis Shapovalov | 6 | 6 |
| WC | Félix Auger-Aliassime | 5 | 3 | | | | |

### Top half

| 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 | A Pavlásek | 3 | 3 | | | | | | | | | | | | | | |
| | L Lokoli | 6 | 6 | | L Lokoli | 5 | 6 | 1 | | | | | | | | | |
| WC | P Bester | 3 | 4 | | J-P Smith | 7 | 4 | 6 | | | | | | | | | |
| | J-P Smith | 6 | 6 | | | | | | | J-P Smith | 6$^1$ | 7$^7$ | 6 | | | | |
| WC | B Schnur | 6 | 6 | | | | | | Q | T Pütz | 7$^7$ | 6$^5$ | 3 | | | | |
| | S Bangoura | 3 | 3 | WC | B Schnur | 6$^2$ | 6$^6$ | | | | | | | | | | |
| Q | T Pütz | 6 | 6 | Q | T Pütz | 7$^7$ | 7$^8$ | | | | | | | | | | |
| 7 | S Groth | 4 | 4 | | | | | | | | | | | | J-P Smith | 4 | 1 |
| 4 | R Bemelmans | 7 | 6 | | | | | | | | | | | 4 | R Bemelmans | 6 | 6 |
| | Y Reuter | 5 | 1 | 4 | R Bemelmans | 6 | 7 | | | | | | | | | | |
| Q | L Broady | 7$^7$ | 6 | Q | L Broady | 4 | 5 | | | | | | | | | | |
| Alt | E Struvay | 6$^5$ | 3 | | | | | | 4 | R Bemelmans | 6 | 6$^5$ | 7$^7$ | | | | |
| | G Sakharov | 6 | 6 | | | | | | | G Sakharov | 4 | 7$^7$ | 6$^5$ | | | | |
| WC | F Peliwo | 2 | 1 | | G Sakharov | 6 | 7 | | | | | | | | | | |
| | L Saville | 4 | 2 | 6 | T Sandgren | 3 | 5 | | | | | | | | | | |
| 6 | T Sandgren | 6 | 6 | | | | | | | | | | | | | | |

### Bottom half

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 5 | V Millot | 7$^7$ | 1 | 1 | | | | | | | | | | | | |
| Alt | D Nguyen | 6$^4$ | 6 | 6 | Alt | D Nguyen | 2 | 1 | | | | | | | | |
| | M Authom | 5 | 1$^r$ | | | B Rola | 6 | 6 | | | | | | | | |
| | B Rola | 7 | 3 | | | | | | | B Rola | 6$^6$ | 4 | | | | |
| | E Corrie | 4 | 3 | | | | | | | D Shapovalov | 7$^8$ | 6 | | | | |
| | D Shapovalov | 6 | 6 | | | D Shapovalov | 4 | | | | | | | | | |
| | A Arnaboldi | 6$^1$ | 7$^7$ | 1 | 3 | Q Halys | 1$^r$ | | | | | | | | | |
| 3 | Q Halys | 7$^7$ | 6$^2$ | 6 | | | | | | | | | | D Shapovalov | 7 | 6 |
| 8 | I Sijsling | 1 | 4 | | | | | | | | | | WC | F Auger-Aliassime | 5 | 3 |
| | A De Minaur | 6 | 6 | | | A De Minaur | 6 | 6 | | | | | | | | |
| Q | M Bachinger | 6 | 4 | 1 | | M McDonald | 4 | 1 | | | | | | | | |
| | M McDonald | 0 | 6 | 6 | | | | | | A De Minaur | 5 | 3 | | | | |
| WC | F Auger-Aliassime | 6 | 3 | 7 | | | | | WC | F Auger-Aliassime | 7 | 6 | | | | |
| Q | A Bossel | 2 | 6 | 5 | WC | F Auger-Aliassime | 6 | 6 | | | | | | | | |
| Alt | G Barrère | 4 | 6 | 3 | 2/Alt | P Polansky | 3 | 4 | | | | | | | | |
| 2/Alt | P Polansky | 6 | 3 | 6 | | | | | | | | | | | | |