# 2020 Challenger Banque Nationale de Drummondville – Singles

Ričardas Berankis was the defending champion but chose not to defend his title.
Maxime Cressy won the title after defeating Arthur Rinderknech 6–7$^{(4–7)}$, 6–4, 6–4 in the final.

## Seeds

All seeds receive a bye into the second round.
* Dominik Koepfer (third round)
* Go Soeda (second round)
* Christopher O'Connell (semifinals)
* Brayden Schnur (second round)
* Andrew Harris (third round)
* Michael Mmoh (third round)
* Max Purcell (third round)
* Roberto Cid Subervi (quarterfinals)
* Liam Broady (third round)
* Tobias Kamke (quarterfinals)
* Sebastian Korda (quarterfinals)
* Arthur Rinderknech (final)
* Nam Ji-sung (third round)
* Maxime Cressy (champion)
* Yosuke Watanuki (quarterfinals)
* Gonçalo Oliveira (second 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

| Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals | Final | Final | Final | Final | Final |
| 15 | Yosuke Watanuki | 2 | 4 | | | | | | | | | | |
| 12 | Arthur Rinderknech | 6 | 6 | | | | | | | | | | |
| 12 | Arthur Rinderknech | 6 | 6 | | 12 | Arthur Rinderknech | 6 | 6 | | | | | |
| | | | | | 3 | Christopher O'Connell | 4 | 2 | | | | | |
| 3 | Christopher O'Connell | 6 | 6 | | 3 | Christopher O'Connell | 4 | 2 | | | | | |
| 11 | Sebastian Korda | 3 | 4 | | | | | | | | | | |
| 11 | Sebastian Korda | 3 | 4 | | | | | | 12 | Arthur Rinderknech | 7$^7$ | 4 | 4 |
| | | | | | | | | | 14 | Maxime Cressy | 6$^4$ | 6 | 6 |
| 10 | Tobias Kamke | 4 | 3 | | | | | | | | | | | 14 | Maxime Cressy | 6$^4$ | 6 | 6 |
| 14 | Maxime Cressy | 6 | 6 | | | | | | | | | | |
| 14 | Maxime Cressy | 6 | 6 | | 14 | Maxime Cressy | 7$^7$ | 6 | | | | | |
| | | | | | | Johannes Härteis | 6$^2$ | 4 | | | | | |
| 8 | Roberto Cid Subervi | 6 | 4 | 1 | | Johannes Härteis | 6$^2$ | 4 | | | | | |
| | Johannes Härteis | 1 | 6 | 6 | | | | | | | | | |

### Top half
#### Section 1

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Third round | Third round | Third round | Third round | Third round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals |
| | | | | | 1 | D Koepfer | 7 | 4 | 6 | | | | | | | | | |
| | S Kirchheimer | 6 | 6 | | | S Kirchheimer | 5 | 6 | 3 | | | | | | | | | |
| WC | F Peliwo | 3 | 4 | | | | | | | 1 | D Koepfer | 3 | 1 | | | | | |
| WC | Kamen Damov | 0 | 1 | | | | | | | 15 | Yo Watanuki | 6 | 6 | | | | | |
| | G Blancaneaux | 6 | 6 | | | G Blancaneaux | 2 | 7 | 6$^4$ | | | | | | | | | |
| | | | | | 15 | Yo Watanuki | 6 | 5 | 7$^7$ | | | | | | | | | |
| | | | | | | | | | | | | | | | 15 | Yo Watanuki | 2 | 4 |
| | | | | | | | | | | | | | | | 12 | A Rinderknech | 6 | 6 |
| | | | | | 12 | A Rinderknech | 6 | 7 | | | | | | | | | | |
| | R Rodríguez | 7$^7$ | 6$^5$ | 6 | | R Rodríguez | 4 | 5 | | | | | | | | | | |
| WC | Ilya Tiraspolsky | 6$^0$ | 7$^7$ | 0 | | | | | | 12 | A Rinderknech | 6 | 3 | 6 | | | | |
| | M Guinard | 7$^{12}$ | 2 | 3 | | | | | | 6 | M Mmoh | 2 | 6 | 3 | | | | |
| PR | R Sarmiento | 6$^{10}$ | 6 | 2$^r$ | | M Guinard | 2 | 6 | 4 | | | | | | | | | |
| | | | | | 6 | M Mmoh | 6 | 3 | 6 | | | | | | | | | |

#### Section 2

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Third round | Third round | Third round | Third round | Third round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals |
| | | | | | 3 | C O'Connell | 6 | 6 | | | | | | | | | | |
| | A Galarneau | 6 | 2 | 1 | | A Escoffier | 3 | 4 | | | | | | | | | | |
| | A Escoffier | 2 | 6 | 6 | | | | | | 3 | C O'Connell | 6 | 4 | 6 | | | | |
| | Evan Song | 6 | 6 | | | | | | | 13 | J-s Nam | 1 | 6 | 4 | | | | |
| Alt | B Arias | 2 | 1 | | | E Song | 2 | 1 | | | | | | | | | | |
| | | | | | 13 | J-s Nam | 6 | 6 | | | | | | | | | | |
| | | | | | | | | | | | | | | | 3 | C O'Connell | 6 | 6 |
| | | | | | | | | | | | | | | | 11 | S Korda | 3 | 4 |
| | | | | | 11 | S Korda | 6 | 4 | 7$^8$ | | | | | | | | | |
| Q | Razvan Baiant | 2 | 2 | | | T Simon | 3 | 6 | 6$^6$ | | | | | | | | | |
| | Tobias Simon | 6 | 6 | | | | | | | 11 | S Korda | 6$^5$ | 6 | 6 | | | | |
| | N Chappell | 2 | 4 | | | | | | | 7 | M Purcell | 7$^7$ | 1 | 0 | | | | |
| | R Peniston | 6 | 6 | | | R Peniston | 2 | 4 | | | | | | | | | | |
| | | | | | 7 | M Purcell | 6 | 6 | | | | | | | | | | |

### Bottom half
#### Section 3

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Third round | Third round | Third round | Third round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals |
| | | | | | 5 | A Harris | 3 | 6 | 6 | | | | | | | | |
| Q | Washi Gervais | 1 | 2 | | | L Catarina | 6 | 4 | 1 | | | | | | | | |
| | L Catarina | 6 | 6 | | | | | | | 5 | A Harris | 3 | 6$^2$ | | | | |
| | Shintaro Imai | 7$^7$ | 6 | | | | | | | 10 | T Kamke | 6 | 7$^7$ | | | | |
| | Mi Redlicki | 6$^1$ | 3 | | | S Imai | 3 | 6 | 3 | | | | | | | | |
| | | | | | 10 | T Kamke | 6 | 1 | 6 | | | | | | | | |
| | | | | | | | | | | | | | | 10 | T Kamke | 4 | 3 |
| | | | | | | | | | | | | | | 14 | M Cressy | 6 | 6 |
| | | | | | 14 | M Cressy | 6 | 6 | | | | | | | | | |
| WC | David Volfson | 3 | 7 | 4 | WC | T Baadi | 1 | 2 | | | | | | | | | |
| WC | Taha Baadi | 6 | 5 | 6 | | | | | | 14 | M Cressy | 6 | 6 | | | | |
| | L Caruana | 7 | 6 | | | | | | | | L Caruana | 2 | 1 | | | | |
| | Y Takahashi | 5 | 3 | | | L Caruana | 7$^7$ | 6 | | | | | | | | | |
| | | | | | 4 | B Schnur | 6$^1$ | 4 | | | | | | | | | |

#### Section 4

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Third round | Third round | Third round | Third round | Third round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals |
| | | | | | 8 | R Cid Subervi | 6 | 6 | | | | | | | | | | | |
| | A Gómez | 4 | 6 | 6 | | A Gómez | 0 | 2 | | | | | | | | | | | |
| | Felix Corwin | 6 | 3 | 2 | | | | | | 8 | R Cid Subervi | 6 | 6 | | | | | | |
| | L Glasspool | 6$^1$ | 6 | 0 | | | | | | 9 | L Broady | 4 | 1 | | | | | | |
| | V Kirkov | 7$^7$ | 3 | 6 | | V Kirkov | 6 | 3 | 4 | | | | | | | | | | |
| | | | | | 9 | L Broady | 3 | 6 | 6 | | | | | | | | | | |
| | | | | | | | | | | | | | | | 8 | R Cid Subervi | 6 | 4 | 1 |
| | | | | | | | | | | | | | | | | J Härteis | 1 | 6 | 6 |
| | | | | | 16 | G Oliveira | 6$^5$ | 1 | | | | | | | | | | | |
| | J Härteis | 6 | 6 | | | J Härteis | 7$^7$ | 6 | | | | | | | | | | | |
| LL | Tony Bourcet | 2 | 0 | | | | | | | | J Härteis | 7$^7$ | 5 | 7 | | | | | |
| | K Uchida | 1 | 7$^7$ | 5 | | | | | | | P Niklas-Salminen | 6$^5$ | 7 | 5 | | | | | |
| | P Niklas-Salminen | 6 | 6$^4$ | 7 | | P Niklas-Salminen | 7$^7$ | 6 | | | | | | | | | | | |
| | | | | | 2 | G Soeda | 6$^5$ | 4 | | | | | | | | | | | |