| Doubles | |
|---|---|
| 2020 Canberra Challenger | |
| Champions |  Max Purcell Luke Saville |
| Runners-up |  Jonathan Erlich  Andrei Vasilevski |
| Final score | 7–6(7–3), 7–6(7–3) |
Marcelo Demoliner and Hugo Nys were the defending champions [1] but chose not to defend their title.
Max Purcell and Luke Saville won the title after defeating Jonathan Erlich and Andrei Vasilevski 7–6(7–3), 7–6(7–3) in the final.
Marcelo Arévalo / 
Jonny O'Mara (first round)
Sander Arends / 
Hsieh Cheng-peng (semifinals) Jonathan Erlich / Andrei Vasilevski (final)
Nicholas Monroe / Jackson Withrow (quarterfinals)| First round | Quarterfinals | Semifinals | Final | ||||||||||||||||||||||||
| 1 | M Arévalo J O'Mara | 77 | 5 | [4] | |||||||||||||||||||||||
| M Giron B Klahn | 62 | 7 | [10] | M Giron B Klahn | 5 | 63 | |||||||||||||||||||||
| WC | A Harris A Santillan | 66 | 2 | M Ebden  R Lindstedt | 7 | 77 | |||||||||||||||||||||
| M Ebden R Lindstedt | 78 | 6 | M Ebden R Lindstedt | 712 | 4 | [10] | |||||||||||||||||||||
| 3 | J Erlich A Vasilevski | 4 | 6 | [10] | 3 | J Erlich A Vasilevski | 610 | 6 | [12] | ||||||||||||||||||
 D Koepfer  S-w Kwon | 6 | 1 | [8] | 3 | J Erlich A Vasilevski | 77 | 6 | ||||||||||||||||||||
 M Copil  D Molchanov | 6 | 66 | [10] | M Copil D Molchanov | 63 | 3 | |||||||||||||||||||||
 J Munar  E Ruusuvuori | 4 | 78 | [3] | 3 | J Erlich A Vasilevski | 63 | 63 | ||||||||||||||||||||
| G Granollers D Vega Hernández | 5 | 3 | M Purcell L Saville | 77 | 77 | ||||||||||||||||||||||
| M Purcell L Saville | 7 | 6 | M Purcell L Saville | 7 | 6 | ||||||||||||||||||||||
| M Reid J-P Smith | 62 | 4 | 4 | N Monroe J Withrow | 5 | 3 | |||||||||||||||||||||
| 4 | N Monroe J Withrow | 77 | 6 | M Purcell L Saville | 1 | 6 | [10] | ||||||||||||||||||||
| WC | H Bourchier Jacob Grills | 2 | 2 | 2 | S Arends C-p Hsieh | 6 | 2 | [7] | |||||||||||||||||||
| WC | M Polmans S Puodziunas | 6 | 6 | WC | M Polmans S Puodziunas | 4 | 4 | ||||||||||||||||||||
| Alt |  Z Li Zh Zhang | 3 | 64 | 2 | S Arends C-p Hsieh | 6 | 6 | ||||||||||||||||||||
| 2 | S Arends C-p Hsieh | 6 | 77 | ||||||||||||||||||||||||
Tristan Lamasine and Fabrice Martin were the defending champions but chose not to defend their title.
Wesley Koolhof and Matwé Middelkoop were the defending champions, but Koolhof chose to compete in Los Cabos instead. Middelkoop played alongside Julian Knowle, but lost in the semifinals to Hans Podlipnik-Castillo and Andrei Vasilevski.
Raven Klaasen and Rajeev Ram were the defending champions, but Klaasen chose not to participate this year and Ram chose to compete in Shenzhen instead.
Andre Begemann and Jan-Lennard Struff were the defending champions but chose not to defend their title.
Alexander and Mischa Zverev were the defending champions, but Alexander chose not to participate this year. Mischa played alongside Karen Khachanov, but lost in the first round to Ben McLachlan and Hugo Nys.
Guillermo Durán and Andrés Molteni were the defending champions, but Durán chose not to participate and Molteni chose to compete in Båstad instead.
Sander Arends and Roman Jebavý were the defending champions but only Arends chose to defend his title, partnering Romain Arneodo. Arends lost in the semifinals to Hugo Nys and Jonny O'Mara.
Jonathan Erlich and Divij Sharan were the defending champions but chose not to defend their title.
Ariel Behar and Enrique López Pérez were the defending champions but only Behar chose to defend his title, partnering Gonzalo Escobar. Behar lost in the quarterfinals to Gonçalo Oliveira and Andrei Vasilevski.
Marcelo Demoliner and Santiago González were the defending champions, but chose not to participate together. Demoliner played alongside Divij Sharan, but lost in the quarterfinals to Denys Molchanov and Igor Zelenay. González teamed up with Aisam-ul-Haq Qureshi, but lost in the first round to Ivan Dodig and Filip Polášek.
Sander Gillé and Joran Vliegen were the defending champions but chose not to defend their title.
This was the first edition of the tournament.
Rohan Bopanna and Divij Sharan were the defending champions, but chose not to participate together. Bopanna played alongside Arjun Kadhe but lost in the first round to Antoine Hoang and Benoît Paire. Sharan teamed up with Artem Sitak but lost in the first round to Matthew Ebden and Leander Paes.
Jonathan Erlich and Artem Sitak were the defending champions, but Sitak chose not to participate this year. Erlich partnered up with Andrei Vasilevski, but they lost to Jérémy Chardy and Fabrice Martin in the first round.
This was the second of seven editions of the tournament in the 2021 tennis season. Luis David Martínez and David Vega Hernández were the defending champions but lost in the quarterfinals to Nathaniel Lammons and Jackson Withrow.
Nikola Ćaćić and Mate Pavić were the defending champions, but they chose not to participate this year. Henri Kontinen and Édouard Roger-Vasselin won the title, defeating Jonathan Erlich and Andrei Vasilevski in the final, 6–2, 7–5.
Gerard Granollers and Pedro Martínez were the defending champions but chose not to defend their title.
This was the first edition of the tournament, primarily created due to the one-week delay of the 2021 French Open.
Sander Gillé and Joran Vliegen were the defending champions, but chose not to participate this year.
Marcelo Demoliner and Matwé Middelkoop were the reigning champions from when the tournament was last held in 2019, but chose to compete with different partners. Demoliner played alongside Marcus Daniell, but lost in the first round to Ariel Behar and Gonzalo Escobar.