Julio Peralta and Horacio Zeballos were the defending champions, but chose to compete in St. Petersburg instead.
Daniel Nestor and Édouard Roger-Vasselin were the defending champions but chose not to participate together. Nestor played alongside Dominic Inglot, but lost in the first round to Santiago González and Julio Peralta. Roger-Vasselin teamed up with Fabrice Martin, but lost in the quarterfinals to Wesley Koolhof and Artem Sitak.
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.
Dominic Inglot and Mate Pavić were the defending champions, but Pavić chose not to participate this year. Inglot played alongside Marcus Daniell, but lost in the quarterfinals to Divij Sharan and Jan-Lennard Struff.
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.
Henri Kontinen and John Peers were the defending champions, but lost in the first round to Juan Sebastián Cabal and Robert Farah.
Julien Benneteau and Édouard Roger-Vasselin were the defending champions, but Benneteau decided not to participate this year.
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.
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.
Kevin Krawietz and Andreas Mies defeated Jeremy 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.
Mike Bryan and Jack Sock were the defending champions, but Sock could not participate due to injury. Mike Bryan played alongside his brother Bob, but lost in the third round to Nicolas Mahut and Édouard Roger-Vasselin.
Henri Kontinen and John Peers were the defending champions, but lost in the second round to Marcel Granollers and Horacio Zeballos.
The 2019 Rakuten Japan Open Tennis Championships was a men's tennis tournament played on outdoor hard courts. It was the 46th edition of the Japan Open, and part of the ATP Tour 500 series of the 2019 ATP Tour. It was held at the Ariake Coliseum in Tokyo, Japan, from September 30–October 6, 2019.
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].
Dominic Inglot and Franko Škugor were the defending champions, but Inglot decided to compete in Vienna instead. Škugor played alongside Nikola Mektić, but they lost to Jean-Julien Rojer and Horia Tecău in the first round.
Kevin Krawietz and Andreas Mies were the defending champions and successfully defended their title, defeating Mate Pavić and Bruno Soares in the final, 6–3, 7–5.
Pierre-Hugues Herbert and Nicolas Mahut were the defending champions but Mahut chose not to participate. Herbert partnered Jan-Lennard Struff, but they lost in the quarterfinals to Nikola Mektić and Mate Pavić.
Nikola Mektić and Mate Pavić defeated Lloyd Glasspool and Harri Heliövaara in the final, 3–6, 7–6(7–3), [10–6] to win the doubles tennis title at the 2022 Queen's Club Championships. It was their third ATP Tour doubles title of the season and their 12th title overall together.
Nicolas Mahut 
Nikola Mektić 
