2017 Winnipeg National Bank Challenger – Men's singles
# 2017 Winnipeg National Bank Challenger – Men's singles

Go Soeda was the defending champion but chose not to defend his title.

Blaž Kavčič won the title after defeating Peter Polansky 7–5, 3–6, 7–5 in the final.

## Seeds

* Blaž Kavčič (champion)
* Peter Polansky (final)
* Tatsuma Ito (first round)
* Yasutaka Uchiyama (semifinals)
* Hiroki Moriya (first round)
* Steven Diez (first round)
* Brayden Schnur (quarterfinals)
* Blaž Rola (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 | Semifinals | Final | Final | Final | Final | Final |
| - | - | - | - | - | - | - | - | - | - |
| 1 | Blaž Kavčič | $7^7$ | 6 | | | | | | |
| | Edan Leshem | $6^0$ | 3 | | | | | | |
| | Edan Leshem | $6^0$ | 3 | | 1 | Blaž Kavčič | 7 | 3 | 7 |
| | | | | | 2 | Peter Polansky | 5 | 6 | 5 |
| 4 | Yasutaka Uchiyama | 4 | 6 | 2 | 2 | Peter Polansky | 5 | 6 | 5 |
| 2 | Peter Polansky | 6 | 4 | 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 | Semifinals | Semifinals | Semifinals | Semifinals |
| - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| 1 | B Kavčič | 4 | 6 | 7 | | | | | | | | | | | | | |
| | F Dancevic | 6 | 3 | 5 | 1 | B Kavčič | 6 | 6 | | | | | | | | | |
| | K Uchida | 6 | 6 | | | K Uchida | 3 | 4 | | | | | | | | | |
| Q | LD Martínez | 3 | 1 | | | | | | | 1 | B Kavčič | 6 | 6 | | | | |
| | B Mousley | 6 | 6 | | | | | | | | R Sarmiento | 2 | 2 | | | | |
| WC | Hugo Di Feo | 1 | 1 | | | B Mousley | 6 | $6^5$ | 4 | | | | | | | | |
| | R Sarmiento | 6 | 6 | | | R Sarmiento | 1 | $7^7$ | 6 | | | | | | | | |
| 6 | S Diez | 1 | 4 | | | | | | | | | | | 1 | B Kavčič | $7^7$ | 6 |
| 3 | T Ito | 2 | $6^6$ | | | | | | | | | | | | E Leshem | $6^0$ | 3 |
| Q | R Schneider | 6 | $7^8$ | | Q | R Schneider | 6 | 3 | 3 | | | | | | | | |
| | E Leshem | $7^7$ | 2 | 6 | | E Leshem | 3 | 6 | 6 | | | | | | | | |
| | A Bega | $6^3$ | 6 | 3 | | | | | | | E Leshem | $7^7$ | 6 | | | | |
| | Y Takahashi | 6 | 6 | | | | | | | | Y Takahashi | $6^4$ | 3 | | | | |
| WC | JM Lin | 2 | 0 | | | Y Takahashi | 7 | 2 | 6 | | | | | | | | |
| WC | Samuel Monette | 6 | 6 | | WC | S Monette | 5 | 6 | 2 | | | | | | | | |
| 5 | H Moriya | 0 | 1 | | | | | | | | | | | | | | |

### 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 | Semifinals |
| - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| 8 | B Rola | $7^7$ | $7^8$ | | | | | | | | | | | | | | | | |
| | P Bester | $6^4$ | $6^6$ | | 8 | B Rola | 4 | 4 | | | | | | | | | | | |
| | M Purcell | 6 | 6 | | | M Purcell | 6 | 6 | | | | | | | | | | | |
| | T Chen | 2 | 4 | | | | | | | | M Purcell | 4 | 0 | | | | | | |
| | F Tearney | 3 | 1 | | | | | | | 4 | Y Uchiyama | 6 | 6 | | | | | | |
| | M Giron | 6 | 6 | | | M Giron | 4 | 6 | 2 | | | | | | | | | | |
| | S Bangoura | 6 | 4 | 3 | 4 | Y Uchiyama | 6 | 4 | 6 | | | | | | | | | | |
| 4 | Y Uchiyama | 3 | 6 | 6 | | | | | | | | | | | 4 | Y Uchiyama | 4 | 6 | 2 |
| 7 | B Schnur | 6 | $7^7$ | | | | | | | | | | | | 2 | P Polansky | 6 | 4 | 6 |
| | F Peliwo | 2 | $6^4$ | | 7 | B Schnur | 6 | 6 | | | | | | | | | | | |
| | A Sarkissian | $6^2$ | 4 | | Q | L Bambridge | 4 | 4 | | | | | | | | | | | |
| Q | L Bambridge | $7^7$ | 6 | | | | | | | 7 | B Schnur | 3 | $7^8$ | $6^2$ | | | | | |
| WC | Nicaise Muamba | 1 | 2 | | | | | | | 2 | P Polansky | 6 | $6^6$ | $7^7$ | | | | | |
| Q | A Rybakov | 6 | 6 | | Q | A Rybakov | 4 | 4 | | | | | | | | | | | |
| | C Harrison | 3 | 2 | | 2 | P Polansky | 6 | 6 | | | | | | | | | | | |
| 2 | P Polansky | 6 | 6 | | | | | | | | | | | | | | | | |
