| Men's doubles | |
|---|---|
| 2017 Winnipeg National Bank Challenger | |
| Champions |  Luke Bambridge  David O'Hare |
| Runners-up |  Yusuke Takahashi Renta Tokuda |
| Final score | 6–2, 6–2 |
Mitchell Krueger and Daniel Nguyen were the defending champions but chose not to defend their title.
Luke Bambridge and David O'Hare won the title after defeating Yusuke Takahashi and Renta Tokuda 6–2, 6–2 in the final.
Luke Bambridge / David O'Hare (champions)
Philip Bester / Peter Polansky (first round)
Sekou Bangoura / 
Ruben Gonzales (quarterfinals)
Alessandro Bega / 
Bradley Mousley (first round)| First round | Quarterfinals | Semifinals | Final | ||||||||||||||||||||||||
| 1 | L Bambridge D O'Hare | 6 | 6 | ||||||||||||||||||||||||
 M Felder  LD Martínez | 3 | 2 | 1 | L Bambridge D O'Hare | 6 | 77 | |||||||||||||||||||||
| WC | Kevin Kylar Mark Verryth | 4 | 1 | A Sarkissian R Sarmiento | 3 | 65 | |||||||||||||||||||||
| A Sarkissian R Sarmiento | 6 | 6 | 1 | L Bambridge D O'Hare | 6 | 6 | |||||||||||||||||||||
| 3 | S Bangoura R Gonzales | 6 | 6 |  B Rola  M Torpegaard | 4 | 2 | |||||||||||||||||||||
 E Leshem F Peliwo | 3 | 2 | 3 | S Bangoura R Gonzales | 2 | 3 | |||||||||||||||||||||
| S Diez B Schnur | 2 | 3 | B Rola M Torpegaard | 6 | 6 | ||||||||||||||||||||||
| B Rola M Torpegaard | 6 | 6 | 1 | L Bambridge D O'Hare | 6 | 6 | |||||||||||||||||||||
| Y Takahashi Renta Tokuda | 1 | 78 | [10] | Y Takahashi R Tokuda | 2 | 2 | |||||||||||||||||||||
 T Chen M Purcell | 6 | 66 | [6] | Y Takahashi R Tokuda | 6 | 6 | |||||||||||||||||||||
| WC | Hugo Di Feo Samuel Monette | 6 | 6 | WC | H Di Feo S Monette | 4 | 4 | ||||||||||||||||||||
| 4 | A Bega B Mousley | 4 | 4 | Y Takahashi R Tokuda | 3 | 6 | [10] | ||||||||||||||||||||
| Dekel Bar K Uchida | 4 | 5 | M Giron T-S Kwiatkowski | 6 | 1 | [7] | |||||||||||||||||||||
| WC | JM Lin Nicaise Muamba | 6 | 7 | WC | JM Lin N Muamba | 4 | 4 | ||||||||||||||||||||
| M Giron T-S Kwiatkowski | 6 | 1 | [10] | M Giron T-S Kwiatkowski | 6 | 6 | |||||||||||||||||||||
| 2 | P Bester P Polansky | 3 | 6 | [8] | |||||||||||||||||||||||
David O'Hare and Joe Salisbury were the defending champions but lost in the quarterfinals to Dominik Köpfer and Alex Lawson.
Miķelis Lībietis and Dennis Novikov were the defending champions but only Lībietis chose to defend his title, partnering Tennys Sandgren. Lībietis lost in the first round to Sam Barry and Peter Kobelt.
Tristan Lamasine and Franko Škugor were the defending champions but chose not to defend their title.
Guilherme Clezar and Alejandro González were the defending champions but only González chose to defend his title, partnering Luis David Martínez. González lost in the first round to Chen Ti and Bradley Mousley.
Luke Saville and Jordan Thompson were the defending champions but only Saville chose to defend his title, partnering Jarryd Chaplin. Saville lost in the quarterfinals to Tom Jomby and Eric Quigley.
Philip Bester and Peter Polansky were the defending champions but chose not to defend their title.
David O'Hare and Joe Salisbury were the defending champions but chose to defend their title with different partners. O'Hare partnered Luke Bambridge but lost in the final to Dominik Köpfer and Denis Kudla. Salisbury partnered Brydan Klein but lost in the semifinals to Bambridge and O'Hare.
Matt Reid and John-Patrick Smith were the defending champions but chose not to defend their title.
Brian Baker and Sam Groth were the defending champions but chose not to defend their title.
Brian Baker and Mackenzie McDonald were the defending champions but only McDonald chose to defend his title, partnering Miķelis Lībietis. McDonald lost in the semifinals to Akram El Sallaly and Bernardo Oliveira.
Brian Baker and Sam Groth were the defending champions but chose not to defend their title.
Peter Polansky and Adil Shamasdin were the defending champions but chose not to defend their title.
Austin Krajicek and Tennys Sandgren were the defending champions but chose not to defend their title.
Luke Bambridge and David O'Hare were the defending champions but chose not to defend their title.
Luke Bambridge and David O'Hare were the defending champions but chose not to defend their title.
Federico Delbonis and Máximo González were the defending champions and successfully defended the title, defeating Luke Bambridge and Jonny O'Mara in the final, 6–4, 6–3.
Luke Bambridge and Jonny O'Mara were the defending champions but only Bambridge chose to defend his title, partnering Marcus Daniell. Bambridge lost in the semifinals to Marcel Granollers and Ben McLachlan.
Luke Bambridge and Neal Skupski were the defending champions but only Bambridge chose to defend his title, partnering Ben McLachlan. Bambridge lost in the quarterfinals to Treat Huey and Adil Shamasdin.
Luke Bambridge and Jonny O'Mara were the defending champions but chose to defend their title with different partners. Bambridge played alongside Ben McLachlan, but lost in the first round to Wesley Koolhof and Fabrice Martin. O'Mara teamed up with Ken Skupski, but lost in the first round to Mate Pavić and Bruno Soares.
Bob and Mike Bryan were the defending champions and successfully defended their title, defeating Luke Bambridge and Ben McLachlan in the final, 3–6, 7–5, [10–5].