| Doubles | |
|---|---|
| 2019 Challenger Banque Nationale de Drummondville | |
| Champions |  Scott Clayton  Adil Shamasdin |
| Runners-up |  Matt Reid John-Patrick Smith |
| Final score | 7–5, 3–6, [10–5] |
Joris De Loore and Frederik Nielsen were the defending champions but chose not to defend their title. [1]
Scott Clayton and Adil Shamasdin won the title after defeating Matt Reid and John-Patrick Smith 7–5, 3–6, [10–5] in the final.
Matt Reid / John-Patrick Smith (final)
Evan King / Hunter Reese (first round) Scott Clayton / Adil Shamasdin (champions)
Luis David Martínez / 
Roberto Quiroz (semifinals)| First round | Quarterfinals | Semifinals | Final | ||||||||||||||||||||||||
| 1 | M Reid J-P Smith | 63 | 6 | [10] | |||||||||||||||||||||||
| ITF |  MF Descotte  S Mansouri | 77 | 4 | [6] | 1 | M Reid J-P Smith | 7 | 4 | [10] | ||||||||||||||||||
| WC | Justin Boulais Joshua Peck | 67 | 5 | WC | F Dancevic  F Mergea | 5 | 6 | [4] | |||||||||||||||||||
| WC | F Dancevic F Mergea | 79 | 7 | 1 | M Reid J-P Smith | 6 | 6 | ||||||||||||||||||||
| 4 | LD Martínez R Quiroz | 6 | 6 | 4 | LD Martínez R Quiroz | 4 | 1 | ||||||||||||||||||||
| L Broady T-S Kwiatkowski | 4 | 4 | 4 | LD Martínez R Quiroz | 6 | 6 | |||||||||||||||||||||
S Diez  N Milojević | 3 | 63 |  A Göransson N Pasha | 1 | 3 | ||||||||||||||||||||||
| A Göransson N Pasha | 6 | 77 | 1 | M Reid J-P Smith | 5 | 6 | [5] | ||||||||||||||||||||
JC Aragone  F Romboli | 3 | 2 | 3 | S Clayton A Shamasdin | 7 | 3 | [10] | ||||||||||||||||||||
| ITF |  E Furness M Guinard | 6 | 6 | ITF | E Furness M Guinard | 4 | 3 | ||||||||||||||||||||
| WC | Taha Baadi L Draxl | 2 | 3 | 3 | S Clayton A Shamasdin | 6 | 6 | ||||||||||||||||||||
| 3 | S Clayton A Shamasdin | 6 | 6 | 3 | S Clayton A Shamasdin | 3 | 77 | [10] | |||||||||||||||||||
 M Viola  J Zopp | 5 | 3 | D Novikov  A Pavić | 6 | 64 | [5] | |||||||||||||||||||||
| D Novikov A Pavić | 7 | 6 | D Novikov A Pavić | 6 | 3 | [10] | |||||||||||||||||||||
| JP Fruttero C Harrison | 77 | 2 | [10] | JP Fruttero C Harrison | 3 | 6 | [4] | ||||||||||||||||||||
| 2 | E King H Reese | 64 | 6 | [3] | |||||||||||||||||||||||
Treat Conrad Huey and Vasek Pospisil were the defending champions but Huey decided not to participate.
Pospisil played alongside Adil Shamasdin, reaching the quarterfinals.
Tomasz Bednarek and Olivier Charroin won the title, defeating Jaan-Frederik Brunken and Stefan Seifert 6–3, 6–2 in the final.
James Cerretani and Adil Shamasdin were the defending champions but lost in the semifinals.
Marin Draganja and Mate Pavić won the title by defeating Samuel Groth and John-Patrick Smith 5–7, 6–2, [13–11] in the final.
Maxime Authom and Ruben Bemelmans are the defending champions, having won the event in 2012, but lost in the first round.
Bobby Reynolds and John-Patrick Smith were the defending champions, but Reynolds chose not to participate. Smith partnered with Adam Hubble and lost in the quarterfinals to Alex Kuznetsov and Nils Langer.
John-Patrick Smith and Matt Reid were the defending champions, however they chose not to participate with each other. Smith partners Adam Hubble, whilst Reid partners Jose Statham.
Austin Krajicek and Rhyne Williams were the defending champions, but they did not compete.
James Cerretani and Max Schnur were the defending champions, but decided not to participate this year.
Gero Kretschmer and Alexander Satschko 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.
Sam Groth and Adil Shamasdin were the defending champions but only Shamasdin chose to defend his title, partnering Frank Dancevic. Dancevic and Shamasdin withdrew in the semifinals.
This was the first edition of the tournament.
Leander Paes and Purav Raja were the defending champions but chose not to defend their title.
Félix Auger-Aliassime and Nicola Kuhn were the defending champions but chose not to defend their title.
Scott Clayton and Jonny O'Mara were the defending champions but only Clayton chose to defend his title, partnering Adil Shamasdin. Clayton lost in the semifinals to Laurynas Grigelis and Zdeněk Kolář.
Gonzalo Escobar and Manuel Sánchez were the defending champions but only Escobar chose to defend his title, partnering Luis David Martínez. Escobar lost in the first round to Adrián Menéndez Maceiras and Federico Zeballos.
Ante Pavić and Danilo Petrović were the defending champions but chose to defend their title with different partners. Pavić partnered Hans Hach Verdugo but lost in the quarterfinals to Gonzalo Escobar and Luis David Martínez. Petrović partnered Alex Hernández but lost in the quarterfinals to Matt Reid and John-Patrick Smith.
Sander Arends and Adil Shamasdin were the defending champions but chose not to defend their title.
This was the first edition of the tournament.
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.
Rameez Junaid and David Pel were the defending champions but chose not to defend their title.