# 2024 Calgary National Bank Challenger – Men's singles

Liam Draxl was the defending champion but lost in the semifinals to Govind Nanda.
Murphy Cassone won the title after defeating Nanda 4–6, 6–3, 6–4 in the final.

## Seeds

* Maks Kaśnikowski (quarterfinals)
* Patrick Kypson (second round)
* Aziz Dougaz (semifinals)
* Bernard Tomic (quarterfinals)
* Nicolás Mejía (quarterfinals)
* Alexis Galarneau (quarterfinals)
* Liam Draxl (semifinals)
* James Trotter (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

| Semifinals | Semifinals | Semifinals | Semifinals | Final | Final | Final | Final | Final |
| Q | Govind Nanda | 6 | 6 | | | | | |
| 7 | Liam Draxl | 2 | 4 | | | | | |
| 7 | Liam Draxl | 2 | 4 | Q | Govind Nanda | 6 | 3 | 4 |
| | | | | Q | Murphy Cassone | 4 | 6 | 6 |
| 3 | Aziz Dougaz | 5 | 4 | Q | Murphy Cassone | 4 | 6 | 6 |
| Q | Murphy Cassone | 7 | 6 | | | | | |

### 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 | M Kaśnikowski | 6 | 6 | | | | | | | | | | | | | | | |
| | C İlkel | 3 | 3 | | 1 | M Kaśnikowski | 6 | 6 | | | | | | | | | | |
| | A Martin | 7$^7$ | 4 | 6 | | A Martin | 4 | 4 | | | | | | | | | | |
| Q | Àlex Martínez | 6$^4$ | 6 | 3 | | | | | | 1 | M Kaśnikowski | 6$^5$ | 7$^7$ | 5 | | | | |
| | T Handel | 4 | 2 | | | | | | | Q | G Nanda | 7$^7$ | 6$^5$ | 7 | | | | |
| Q | G Nanda | 6 | 6 | | Q | G Nanda | 3 | 6 | 6 | | | | | | | | | |
| | B Gojo | 7 | 4 | 4 | 8 | J Trotter | 6 | 4 | 2 | | | | | | | | | |
| 8 | J Trotter | 5 | 6 | 6 | | | | | | | | | | | Q | G Nanda | 6 | 6 |
| 4 | B Tomic | 6 | 7$^7$ | | | | | | | | | | | | 7 | L Draxl | 2 | 4 |
| Q | Patrick Maloney | 4 | 6$^3$ | | 4 | B Tomic | 6 | 6 | | | | | | | | | | |
| Q | Benjamin Thomas George | 4 | 5 | | | A Ilagan | 3 | 2 | | | | | | | | | | |
| | Andre Ilagan | 6 | 7 | | | | | | | 4 | B Tomic | 4 | 6 | 1 | | | | |
| WC | J Boulais | 6$^2$ | 6 | 4 | | | | | | 7 | L Draxl | 6 | 4 | 6 | | | | |
| | L Wessels | 7$^7$ | 2 | 6 | | L Wessels | 6$^4$ | 1 | | | | | | | | | | |
| | G Oliveira | 1 | 7$^7$ | 4 | 7 | L Draxl | 7$^7$ | 6 | | | | | | | | | | |
| 7 | L Draxl | 6 | 6$^2$ | 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 | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 5 | N Mejía | 6 | 7$^7$ | | | | | | | | | | | | | | |
| | B Kuzuhara | 4 | 6$^0$ | | 5 | N Mejía | 7$^7$ | 6 | | | | | | | | | |
| | K Pannu | 1 | 5 | | | E Escobedo | 6$^1$ | 1 | | | | | | | | | |
| | E Escobedo | 6 | 7 | | | | | | 5 | N Mejía | 1 | 4 | | | | | |
| WC | C Harper | 4 | 6$^3$ | | | | | | 3 | A Dougaz | 6 | 6 | | | | | |
| | A Mayo | 6 | 7$^7$ | | | A Mayo | 4 | 4 | | | | | | | | | |
| | Max Wiskandt | 3 | 7$^7$ | 2 | 3 | A Dougaz | 6 | 6 | | | | | | | | | |
| 3 | A Dougaz | 6 | 6$^5$ | 6 | | | | | | | | | | 3 | A Dougaz | 5 | 4 |
| 6 | A Galarneau | 6 | 6 | | | | | | | | | | | Q | M Cassone | 7 | 6 |
| | GA Boitan | 4 | 3 | | 6 | A Galarneau | 7 | 6 | | | | | | | | | |
| Q | A Perez | 6$^4$ | 6 | 3 | WC | V Pospisil | 5 | 2 | | | | | | | | | |
| WC | V Pospisil | 7$^7$ | 4 | 6 | | | | | 6 | A Galarneau | 7$^9$ | 6$^2$ | 6$^4$ | | | | |
| | R Seggerman | 6 | 6$^4$ | 6$^{13}$ | | | | | Q | M Cassone | 6$^7$ | 7$^7$ | 7$^7$ | | | | |
| Q | M Cassone | 3 | 7$^7$ | 7$^{15}$ | Q | M Cassone | 6 | 6 | | | | | | | | | |
| | R Cid Subervi | 5 | 1 | | 2 | P Kypson | 2 | 4 | | | | | | | | | |
| 2 | P Kypson | 7 | 6 | | | | | | | | | | | | | | |