# 2019 Winnipeg National Bank Challenger – Singles

Jason Kubler was the defending champion but chose not to defend his title.
Norbert Gombos won the title after defeating Brayden Schnur 7–6$^{(7–3)}$, 6–3 in the final.

## Seeds

All seeds receive a bye into the second round.
* Bernard Tomic (third round)
* Antoine Hoang (quarterfinals)
* Brayden Schnur (final)
* Peter Polansky (third round)
* Dudi Sela (second round)
* Norbert Gombos (champion)
* Go Soeda (second round, retired)
* Mikael Torpegaard (second round)
* Darian King (third round)
* Maxime Janvier (second round)
* Enzo Couacaud (third round)
* Andrew Harris (third round)
* Li Zhe (quarterfinals)
* Kaichi Uchida (second round)
* Hiroki Moriya (semifinals)
* Filip Peliwo (withdrew)

## 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 |
| 13 | Li Zhe | 4 | 2 | | | | | | | | | |
| 6 | Norbert Gombos | 6 | 6 | | | | | | | | | |
| 6 | Norbert Gombos | 6 | 6 | | 6 | Norbert Gombos | 6 | 6 | | | | |
| | | | | | 15 | Hiroki Moriya | 4 | 2 | | | | |
| 15 | Hiroki Moriya | 6 | 6 | | 15 | Hiroki Moriya | 4 | 2 | | | | |
| | Cem İlkel | 4 | 2 | | | | | | | | | |
| | Cem İlkel | 4 | 2 | | | | | | 6 | Norbert Gombos | 7$^7$ | 6 |
| | | | | | | | | | 3 | Brayden Schnur | 6$^3$ | 3 |
| | Maxime Cressy | 2 | 5 | | | | | | | | | | 3 | Brayden Schnur | 6$^3$ | 3 |
| 3 | Brayden Schnur | 6 | 7 | | | | | | | | | |
| 3 | Brayden Schnur | 6 | 7 | | 3 | Brayden Schnur | 6 | 7 | | | | |
| | | | | | | Daniel Nguyen | 2 | 5 | | | | |
| | Daniel Nguyen | 7$^7$ | 4 | 6 | | Daniel Nguyen | 2 | 5 | | | | |
| 2 | Antoine Hoang | 6$^5$ | 6 | 3 | | | | | | | | |

### Top half
#### Section 1

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Third round | Third round | Third round | Third round | Third round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals |
| | | | | | 1 | B Tomic | 6 | 6 | | | | | | | | | |
| WC | Nicaise Muamba | 6 | 7 | | WC | N Muamba | 4 | 2 | | | | | | | | | |
| Q | H Hach Verdugo | 4 | 5 | | | | | | 1 | B Tomic | 6 | 6$^7$ | 4 | | | | |
| | J Menezes | 6 | 6 | | | | | | 13 | Z Li | 1 | 7$^9$ | 6 | | | | |
| | MT Barrios Vera | 3 | 3 | | | J Menezes | 3 | 2 | | | | | | | | | |
| | | | | | 13 | Z Li | 6 | 6 | | | | | | | | | |
| | | | | | | | | | | | | | | 13 | Z Li | 4 | 2 |
| | | | | | | | | | | | | | | 6 | N Gombos | 6 | 6 |
| | | | | | 12 | A Harris | 6 | 6 | | | | | | | | | |
| | A Ritschard | 6 | 6 | | | A Ritschard | 1 | 2 | | | | | | | | | |
| | T Garanganga | 4 | 4 | | | | | | 12 | A Harris | 6 | 2 | 3 | | | | |
| | B Sigouin | 6 | 3 | 6 | | | | | 6 | N Gombos | 4 | 6 | 6 | | | | |
| PR | C Gómez-Herrera | 2 | 6 | 3 | | B Sigouin | 6$^3$ | 3 | | | | | | | | | |
| | | | | | 6 | N Gombos | 7$^7$ | 6 | | | | | | | | | |

#### Section 2

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Third round | Third round | Third round | Third round | Third round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals |
| | | | | | 4 | P Polansky | 6 | 6 | | | | | | | | | |
| WC | JM Lin | 6 | 6 | | WC | JM Lin | 4 | 3 | | | | | | | | | |
| WC | Chaz Doherty | 1 | 1 | | | | | | 4 | P Polansky | 4 | 7 | 6$^1$ | | | | |
| ITF | S Kirchheimer | 4 | 4 | | | | | | 15 | H Moriya | 6 | 5 | 7$^7$ | | | | |
| | J. J. Wolf | 6 | 6 | | | J. J. Wolf | 4 | 0 | | | | | | | | | |
| | | | | | 15 | H Moriya | 6 | 6 | | | | | | | | | |
| | | | | | | | | | | | | | | 15 | H Moriya | 6 | 6 |
| | | | | | | | | | | | | | | | C İlkel | 4 | 2 |
| | | | | | 10 | M Janvier | 6$^2$ | 1 | | | | | | | | | |
| | B Gojo | 4 | 6 | 3 | | C İlkel | 7$^7$ | 6 | | | | | | | | | |
| | C İlkel | 6 | 4 | 6 | | | | | | C İlkel | 7$^{11}$ | 6 | | | | | |
| | Evan Song | 1 | 4 | | | | | | | R Ortega Olmedo | 6$^9$ | 3 | | | | | |
| | R Ortega Olmedo | 6 | 6 | | | R Ortega Olmedo | 6 | 6 | | | | | | | | | |
| | | | | | 5 | D Sela | 4 | 2 | | | | | | | | | |

### Bottom half
#### Section 3

| 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 |
| | | | | 8 | M Torpegaard | 7$^7$ | 3 | 0 | | | | | | | | | |
| | M Cressy | 6 | 7$^7$ | | M Cressy | 6$^1$ | 6 | 6 | | | | | | | | | |
| | A Tabilo | 1 | 6$^4$ | | | | | | | M Cressy | 7 | 7$^7$ | | | | | |
| | B Klein | 6 | 6 | | | | | | 9 | D King | 5 | 6$^5$ | | | | | |
| Alt | B Saraiva | 1 | 2 | | B Klein | 0 | 6$^2$ | | | | | | | | | | |
| | | | | 9 | D King | 6 | 7$^7$ | | | | | | | | | | |
| | | | | | | | | | | | | | | | M Cressy | 2 | 5 |
| | | | | | | | | | | | | | | 3 | B Schnur | 6 | 7 |
| | | | | 14 | K Uchida | 6 | 3 | 3 | | | | | | | | | |
| ITF | Issei Okamura | 2 | 5 | WC | J Boulais | 3 | 6 | 6 | | | | | | | | | |
| WC | J Boulais | 6 | 7 | | | | | | WC | J Boulais | 4 | 7$^7$ | 3 | | | | |
| | D Novikov | 6 | 7$^7$ | | | | | | 3 | B Schnur | 6 | 6$^0$ | 6 | | | | |
| Alt | Joshua Peck | 4 | 6$^3$ | | D Novikov | 0 | 6$^1$ | | | | | | | | | | |
| | | | | 3 | B Schnur | 6 | 7$^7$ | | | | | | | | | | |

#### Section 4

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Third round | Third round | Third round | Third round | Third round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals |
| | | | | | 7 | G Soeda | 3 | 0$^r$ | | | | | | | | | | |
| | A Galarneau | 6 | 1 | 5 | | D Nguyen | 6 | 0 | | | | | | | | | | |
| | D Nguyen | 1 | 6 | 7 | | | | | | D Nguyen | 1 | 6 | 6 | | | | | |
| ITF | Alexander Lebedev | 6$^4$ | 4 | | | | | | 11 | E Couacaud | 6 | 3 | 2 | | | | | |
| Q | T Matsui | 7$^7$ | 6 | | Q | T Matsui | 3 | 2 | | | | | | | | | | |
| | | | | | 11 | E Couacaud | 6 | 6 | | | | | | | | | | |
| | | | | | | | | | | | | | | | D Nguyen | 7$^7$ | 4 | 6 |
| | | | | | | | | | | | | | | 2 | A Hoang | 6$^5$ | 6 | 3 |
| | | | | | LL | Kevin Kylar | 0 | 1 | | | | | | | | | | |
| | L Catarina | 6 | 6 | | | L Catarina | 6 | 6 | | | | | | | | | | |
| WC | G Diallo | 3 | 2 | | | | | | | L Catarina | 6 | 3 | 0 | | | | | |
| ITF | Jacob Grills | 7$^8$ | 6$^0$ | 0 | | | | | 2 | A Hoang | 4 | 6 | 6 | | | | | |
| ITF | Shintaro Imai | 6$^6$ | 7$^7$ | 6 | ITF | S Imai | 6$^5$ | 5 | | | | | | | | | | |
| | | | | | 2 | A Hoang | 7$^7$ | 7 | | | | | | | | | | |