| Men's doubles | |
|---|---|
| 2020 ASB Classic | |
| Champions |  Luke Bambridge  Ben McLachlan |
| Runners-up |  Marcus Daniell  Philipp Oswald |
| Score | 7–6(7–3), 6–3 |
| Draw | 16 |
| Seeds | 4 |
Ben McLachlan and Jan-Lennard Struff were the defending champions, [1] but Struff chose not to participate.
McLachlan played alongside Luke Bambridge and successfully defended the title, defeating Marcus Daniell and Philipp Oswald in the final, 7–6(7–3), 6–3.
John Peers / Michael Venus (first round)
Mate Pavić / 
Bruno Soares (first round)
Rohan Bopanna / 
Henri Kontinen (quarterfinals)
Austin Krajicek / Franko Škugor (semifinals)| First round | Quarterfinals | Semifinals | Final | ||||||||||||||||||||||||
| 1 | J Peers M Venus | 64 | 63 | ||||||||||||||||||||||||
| D Sharan A Sitak | 77 | 77 | D Sharan A Sitak | 7 | 63 | [9] | |||||||||||||||||||||
 S Gillé J Vliegen | w/o | S Gillé J Vliegen | 5 | 77 | [11] | ||||||||||||||||||||||
 L Mayer  J Sousa | S Gillé J Vliegen | 65 | 64 | ||||||||||||||||||||||||
| 3 | R Bopanna H Kontinen | 6 | 6 | L Bambridge B McLachlan | 77 | 77 | |||||||||||||||||||||
| WC | C Norrie R Purcell | 4 | 2 | 3 | R Bopanna H Kontinen | 3 | 4 | ||||||||||||||||||||
| L Bambridge B McLachlan | 6 | 7 | L Bambridge B McLachlan | 6 | 6 | ||||||||||||||||||||||
| WC | M McDonald A Rai | 3 | 5 | L Bambridge B McLachlan | 77 | 6 | |||||||||||||||||||||
 H Dellien T Monteiro | 3 | 4 | M Daniell P Oswald | 63 | 3 | ||||||||||||||||||||||
D Inglot  A-u-H Qureshi | 6 | 6 | D Inglot A-u-H Qureshi | 2 | 2 | ||||||||||||||||||||||
 S González K Skupski | 5 | 66 | 4 | A Krajicek F Škugor | 6 | 6 | |||||||||||||||||||||
| 4 | A Krajicek F Škugor | 7 | 78 | 4 | A Krajicek F Škugor | 2 | 65 | ||||||||||||||||||||
 S Bolelli F Fognini | 3 | 1r | M Daniell P Oswald | 6 | 77 | ||||||||||||||||||||||
| M Daniell P Oswald | 6 | 1 | M Daniell P Oswald | 4 | 6 | [10] | |||||||||||||||||||||
 F Nielsen  T Pütz | 65 | 6 | [10] | F Nielsen T Pütz | 6 | 1 | [7] | ||||||||||||||||||||
| 2 | M Pavić B Soares | 77 | 3 | [7] | |||||||||||||||||||||||
Łukasz Kubot and Marcelo Melo were the defending champions, but they were defeated in the second round by Jonathan Erlich and Marcin Matkowski.
Mike Bryan and Jack Sock won their second consecutive Grand Slam as a pair, defeating Łukasz Kubot and Marcelo Melo in the final, 6–3, 6–1. Mike Bryan won an all-time record 18th grand slam men's doubles title, and with a 6th US Open men's doubles title, he equals Richard Sears and Holcombe Ward.
Andre Begemann and Jan-Lennard Struff were the defending champions but chose not to defend their title.
Brian Baker and Nikola Mektić were the defending champions, but Baker chose not to participate this year. Mektić played alongside Alexander Peya, but lost in the first round to Wesley Koolhof and Artem Sitak.
Pierre-Hugues Herbert and Nicolas Mahut won the men's doubles tennis title at the 2018 French Open, defeating Oliver Marach and Mate Pavić in the final, 6–2, 7–6(7–4). Herbert and Mahut were the third all-French team to reach the French Open men's doubles final in six years.
Jamie Murray and Bruno Soares were defending champions, but chose not to defend their title.
Ivan Dodig and Mate Pavić were the defending champions, but chose not to participate together this year. Dodig played alongside Jean-Julien Rojer, but lost in the quarterfinals to Ben McLachlan and Jan-Lennard Struff. Pavić teamed up with Oliver Marach, but lost in the final to Julio Peralta and Horacio Zeballos, 1–6, 6–4, [6–10].
Jean-Julien Rojer and Horia Tecău were the defending champions, and successfully defended their title, defeating James Cerretani and Leander Paes in the final, 6–4, 6–2.
Ben McLachlan and Yasutaka Uchiyama were the defending champions but chose not to participate together. McLachlan played alongside Jan-Lennard Struff and successfully defended the title, defeating Raven Klaasen and Michael Venus in the final, 6–4, 7–5. Uchiyama teamed up with Joe Salisbury, but lost in the semifinals to Klaasen and Venus.
Scott Lipsky and Divij Sharan were the defending champions, but Lipsky chose not to participate. Sharan played alongside Artem Sitak, but lost in the semifinals to Nicolas Mahut and Édouard Roger-Vasselin.
Henri Kontinen and John Peers were the defending champions but lost in the first round to Kyle Edmund and Neal Skupski.
Pierre-Hugues Herbert and Nicolas Mahut won the men's doubles tennis title at the 2019 Australian Open, defeating Henri Kontinen and John Peers in the final, 6–4, 7–6(7–1). They are the first French players to achieve the Career Grand Slam as well as only the 8th Men's Doubles pair to achieve this feat.
Oliver Marach and Mate Pavić were the defending champions, but lost to Ben McLachlan and Jan-Lennard Struff in the semifinals.
Jean-Julien Rojer and Horia Tecău were the defending champions, but lost in the semifinals to Rajeev Ram and Joe Salisbury.
Feliciano López and Marc López were the defending champions, but chose not to participate together. Feliciano López played alongside Pablo Carreño Busta, but lost in the semifinals to Juan Sebastián Cabal and Robert Farah. Marc López teamed up with Marcel Granollers, but lost in the first round to Raven Klaasen and Joe Salisbury.
Kevin Krawietz and Andreas Mies defeated Jérémy Chardy and Fabrice Martin in the final, 6–2, 7–6(7–3) to win the men's doubles tennis title at the 2019 French Open. None of the four finalists had previously contested a major men's doubles final, and neither team was seeded for the tournament.
Nicolas Mahut and Édouard Roger-Vasselin were the defending champions, but lost in the final to Robert Lindstedt and Jan-Lennard Struff, 6–2, 6–7(1–7), [4–10].
Ben McLachlan and Jan-Lennard Struff were the defending champions, but chose not to participate together. McLachlan teamed up with Luke Bambridge, but lost in the first round to Divij Sharan and Artem Sitak. Struff played alongside Lucas Pouille, but lost in the semifinals to Nikola Mektić and Franko Škugor.
Nikoloz Basilashvili defeated Jan-Lennard Struff in the final, 6–4, 7–6(7–5) to win the men's singles tennis title at the 2021 Bavarian International Tennis Championships. After not dropping a set en route to his victory, Basilashvili earned his second title of the season and his fifth career ATP Tour singles title overall. Struff was in contention to win his first title in his first tour-level final.
Robert Lindstedt and Jan-Lennard Struff were the reigning champions from when the tournament was last held in 2019, but chose not to participate this year.