# 2022 Championnats Banque Nationale de Granby – Men's singles

Ernesto Escobedo was the defending champion but chose not to defend his title.
Gabriel Diallo won the title after defeating Shang Juncheng 7–5, 7–6$^{(7–5)}$ in the final.

## Seeds

* Arthur Rinderknech (withdrew)
* Jiří Veselý (first round)
* Jordan Thompson (quarterfinals)
* Stefan Kozlov (withdrew)
* Ugo Humbert (quarterfinals)
* Shang Juncheng (final)
* Cedrik-Marcel Stebe (second round)
* Nick Hardt (withdrew)
* Hiroki Moriya (semifinals)
* Nicolás Mejía (quarterfinals)

## 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 |
| WC | Gabriel Diallo | 6 | 6 | | | | |
| 9 | Hiroki Moriya | 3 | 4 | | | | |
| 9 | Hiroki Moriya | 3 | 4 | WC | Gabriel Diallo | 7 | 7$^7$ |
| | | | | 6 | Shang Juncheng | 5 | 6$^5$ |
| 6 | Shang Juncheng | 6 | 6 | 6 | Shang Juncheng | 5 | 6$^5$ |
| Q | Aidan Mayo | 3 | 4 | | | | |

### 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 |
| LL | O O'Hoisin | 6 | 3 | 5 | | | | | | | | | | | | | | |
| | O Kumar | 1 | 6 | 7 | | O Kumar | 6 | 4 | 2 | | | | | | | | | |
| | A Dougaz | 6 | 7$^7$ | | | A Dougaz | 3 | 6 | 6 | | | | | | | | | |
| Q | Alafia Ayeni | 3 | 6$^1$ | | | | | | | | A Dougaz | 6 | 3 | 6$^5$ | | | | |
| Q | Dan Martin | 5 | 1 | | | | | | | WC | G Diallo | 3 | 6 | 7$^7$ | | | | |
| WC | G Diallo | 7 | 6 | | WC | G Diallo | 6 | 4 | 7$^7$ | | | | | | | | | |
| | U Blanch | 7$^7$ | 3 | 4 | 7 | C-M Stebe | 4 | 6 | 6$^2$ | | | | | | | | | |
| 7 | C-M Stebe | 6$^4$ | 6 | 6 | | | | | | | | | | | WC | G Diallo | 6 | 6 |
| 9 | H Moriya | 4 | 6 | 6 | | | | | | | | | | | 9 | H Moriya | 3 | 4 |
| | A McHugh | 6 | 4 | 4 | 9 | H Moriya | 6 | 6 | | | | | | | | | | |
| Q | L Saville | 2 | 6 | 2 | Alt | S Kirchheimer | 4 | 4 | | | | | | | | | | |
| Alt | S Kirchheimer | 6 | 4 | 6 | | | | | | 9 | H Moriya | 7$^7$ | 4 | 7 | | | | |
| | N Chappell | 1 | 7$^8$ | 6$^4$ | | | | | | 5 | U Humbert | 6$^4$ | 6 | 5 | | | | |
| | H Habib | 6 | 6$^6$ | 7$^7$ | | H Habib | 3 | 3 | | | | | | | | | | |
| | E Zhu | 2 | 0 | | 5 | U Humbert | 6 | 6 | | | | | | | | | | |
| 5 | U Humbert | 6 | 6 | | | | | | | | | | | | | | | |

### 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 | Semifinals |
| 6 | J Shang | 6 | 6 | | | | | | | | | | | | | | | |
| WC | Marko Stakusic | 4 | 4 | | 6 | J Shang | 6 | 6 | | | | | | | | | | |
| Q | Colin Markes | 7$^7$ | 3 | 6 | Q | C Markes | 2 | 2 | | | | | | | | | | |
| | Ezekiel Clark | 6$^4$ | 6 | 4 | | | | | | 6 | J Shang | 7 | 6 | | | | | |
| Q | J Boulais | 7$^7$ | 6 | | | | | | | 3 | J Thompson | 5 | 4 | | | | | |
| | C Chidekh | 6$^5$ | 2 | | Q | J Boulais | 6 | 4 | 6$^7$ | | | | | | | | | |
| | L Draxl | 5 | 1 | | 3 | J Thompson | 2 | 6 | 7$^9$ | | | | | | | | | |
| 3 | J Thompson | 7 | 6 | | | | | | | | | | | | 6 | J Shang | 6 | 6 |
| 10 | N Mejía | 6 | 6 | | | | | | | | | | | | Q | A Mayo | 3 | 4 |
| WC | JC Aguilar | 2 | 3 | | 10 | N Mejía | 6 | 6 | | | | | | | | | | |
| | M Janvier | 7$^7$ | 7$^8$ | | | M Janvier | 1 | 4 | | | | | | | | | | |
| Alt | S Bangoura | 6$^5$ | 6$^6$ | | | | | | | 10 | N Mejía | 4 | 6 | 4 | | | | |
| | H Patten | 6 | 6 | | | | | | | Q | A Mayo | 6 | 3 | 6 | | | | |
| | Kyle Seelig | 4 | 3 | | | H Patten | 2 | 2 | | | | | | | | | | |
| Q | A Mayo | 4 | 7 | 6 | Q | A Mayo | 6 | 6 | | | | | | | | | | |
| 2 | J Veselý | 6 | 5 | 4 | | | | | | | | | | | | | | |