| Doubles | |
|---|---|
| 2016 Rakuten Japan Open Tennis Championships | |
| Champions |  Marcel Granollers  Marcin Matkowski |
| Runners-up |  Raven Klaasen  Rajeev Ram |
| Final score | 6–2, 7–6(7–4) |
Raven Klaasen and Marcelo Melo were the defending champions, but Melo chose to play in Beijing instead.
Klaasen played alongside Rajeev Ram, but lost in the final to Marcel Granollers and Marcin Matkowski, 2–6, 6–7(4–7).
Jamie Murray / 
Bruno Soares (quarterfinals) Raven Klaasen / Rajeev Ram (final) Dominic Inglot / 
Jean-Julien Rojer (quarterfinals)
Henri Kontinen / 
John Peers (first round)| First round | Quarterfinals | Semifinals | Final | ||||||||||||||||||||||||
| 1 | J Murray B Soares | 6 | 6 | ||||||||||||||||||||||||
 M Klizan  J Sousa | 4 | 1 | 1 | J Murray B Soares | 6 | 65 | [8] | ||||||||||||||||||||
 JS Cabal R Farah | 6 | 6 | JS Cabal R Farah | 1 | 77 | [10] | |||||||||||||||||||||
| WC |  T Daniel Y Uchiyama | 4 | 2 | JS Cabal R Farah | 62 | 5 | |||||||||||||||||||||
| 3 | D Inglot J-J Rojer | 6 | 6 | M Granollers M Matkowski | 77 | 7 | |||||||||||||||||||||
 B Paire  V Pospisil | 3 | 3 | 3 | D Inglot J-J Rojer | 66 | 6 | [7] | ||||||||||||||||||||
| M Granollers M Matkowski | 4 | 3 | M Granollers M Matkowski | 78 | 3 | [10] | |||||||||||||||||||||
| PR | F López  J Mónaco | 6 | 3r | M Granollers M Matkowski | 6 | 77 | |||||||||||||||||||||
 A-u-H Qureshi G Simon | 1 | 6 | [13] | 2 | R Klaasen R Ram | 2 | 64 | ||||||||||||||||||||
 O Marach F Martin | 6 | 4 | [11] | A-u-H Qureshi G Simon | 6 | 6 | |||||||||||||||||||||
 R Lindstedt A Peya | 65 | 6 | [14] | R Lindstedt A Peya | 2 | 2 | |||||||||||||||||||||
| 4 | H Kontinen J Peers | 77 | 3 | [12] | A-u-H Qureshi G Simon | 3 | 4 | ||||||||||||||||||||
| WC | A Santillan Y Watanuki | 2 | 2 | 2 | R Klaasen R Ram | 6 | 6 | ||||||||||||||||||||
 T Berdych R Štěpánek | 6 | 6 | T Berdych R Štěpánek | ||||||||||||||||||||||||
| Q | N Monroe  A Sitak | 4 | 2 | 2 | R Klaasen R Ram | w/o | |||||||||||||||||||||
| 2 | R Klaasen R Ram | 6 | 6 | ||||||||||||||||||||||||
Colin Fleming / Scott Lipsky (qualifying competition) Nicholas Monroe / Artem Sitak (qualified)| First round | Qualifying competition | ||||||||||||
| 1 | Colin Fleming Scott Lipsky | 6 | 64 | [10] | |||||||||
| Taylor Fritz Ryan Harrison | 3 | 77 | [4] | ||||||||||
| 1 | Colin Fleming Scott Lipsky | 610 | 60 | ||||||||||
| 2 | Nicholas Monroe Artem Sitak | 712 | 77 | ||||||||||
| WC | Yuya Kibi Toshihide Matsui | 65 | 1 | ||||||||||
| 2 | Nicholas Monroe Artem Sitak | 77 | 6 | ||||||||||
Carsten Ball and Chris Guccione successfully defended their 2010 title, defeating John Paul Fruttero and Raven Klaasen in the final, 7–6(7–5), 6–4.
Eric Butorac and Raven Klaasen were the defending champions, but Klaasen chose to compete in Rotterdam instead. Butorac played alongside Rajeev Ram, but they lost in the quarterfinals to Artem Sitak and Donald Young.
Jean-Julien Rojer and Horia Tecău were the defending champions, but withdrew before their first-round match because of Tecău's right forearm injury.
Marius Copil and Adrian Ungur won the title, defeating Nicholas Monroe and Artem Sitak in the final, 3–6, 7–5, [17–15].
Andre Begemann and Julian Knowle were the defending champions, but chose not to participate together. Begemann played alongside Florian Mayer, but lost in the first round to Dustin Brown and Jan-Lennard Struff. Knowle teamed up with Vasek Pospisil, but lost in the first round to Eric Butorac and Scott Lipsky.
Raven Klaasen and Rajeev Ram won the title, defeating Rohan Bopanna and Florin Mergea in the final, 7–6(7–5), 6–2.
The world's no.1 doubles pairing, the Bryan Brothers, were originally slated to play the event. This would have been the Bryans' first-ever appearance at Halle, after over a decade of playing in the Queen's Club Championships prior to Wimbledon. However, the Bryans withdrew just prior to the start of the tournament.
Marcin Matkowski and Leander Paes were the defending champions, but Matkowski chose not to participate. Paes played alongside Grigor Dimitrov, but lost in the first round to Rameez Junaid and Jonathan Marray.
Treat Huey and Henri Kontinen won the title, defeating Raven Klaasen and Rajeev Ram in the final, 7–6(7–4), 6–2.
Pierre-Hugues Herbert and Michał Przysiężny were the defending champions, but Prysiężny chose not to participate. Herbert played alongside Nicolas Mahut, but lost in the quarterfinals to Aisam-ul-Haq Qureshi and Gilles Simon.
Lu Yen-hsun and Jonathan Marray were the defending champions, but Lu chose not to compete this year and Marray chose to compete in Brisbane instead.
Oliver Marach and Fabrice Martin won the title, defeating Austin Krajicek and Benoît Paire in the final, 6–3, 7–5.
Ivan Dodig and Marcelo Melo were the defending champions, but chose to compete in Dubai and São Paulo, respectively, instead.
Treat Huey and Max Mirnyi won the title, defeating Philipp Petzschner and Alexander Peya in the final, 7–6(7–5), 6–3.
Pierre-Hugues Herbert and Nicolas Mahut were the defending champions, but withdrew before their second round match due to Herbert's leg injury.
Mate Pavić and Michael Venus were the defending champions, but Pavić chose to compete in Stuttgart instead. Venus played alongside André Sá, but lost to Łukasz Kubot and Marcelo Melo in the semifinals.
Raven Klaasen and Rajeev Ram were the two-time defending champions, but lost to Alexander Zverev and Mischa Zverev in the semifinals.
Fabio Fognini and Robert Lindstedt were the defending champions but chose not to participate this year.
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.
Marcel Granollers and Jack Sock were the defending champions, but chose not to participate together this year. Granollers played alongside Ivan Dodig and successfully defended the title, defeating Fabrice Martin and Édouard Roger-Vasselin in the final, 7–5, 7–6(8–6). Sock teamed up with Nicholas Monroe, but lost to Dodig and Granollers in the semifinals.
Łukasz Kubot and Marcelo Melo were the defending champions and successfully defended their title, defeating Alexander and Mischa Zverev in the final, 7–6(7–1), 6–4 in a repeat of the previous year's final.
Bob and Mike Bryan were the defending champions, but Bob Bryan could not participate due to injury. Mike Bryan played alongside Frances Tiafoe, but lost in the quarterfinals to Ryan Harrison and Rajeev Ram.
Pierre-Hugues Herbert and Nicolas Mahut were the defending champions, but chose not to defend their title.
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 won the men's doubles tennis title at the 2019 French Open defeating Jeremy Chardy and Fabrice Martin in the final 6–2, 7–6(7–3). Chardy and Martin were the fourth all-French team to reach the French Open men's doubles final in seven years, and for the second time in three years none of the four players had previously played in a Grand Slam men's doubles final.
Łukasz Kubot and Marcelo Melo were the defending champions, but they decided to participate in Dubai instead.