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.
| Doubles | |
|---|---|
| 2015 Rakuten Japan Open Tennis Championships | |
| Champions |  Raven Klaasen Marcelo Melo |
| Runners-up |  Juan Sebastián Cabal Robert Farah |
| Score | 7–6(7–5), 3–6, [10–7] |
Raven Klaasen and Marcelo Melo won the title, defeating Juan Sebastián Cabal and Robert Farah in the final, 7–6(7–5), 3–6, [10–7].
Seeds edit
Bob Bryan / Mike Bryan (first round)
Pierre-Hugues Herbert / Nicolas Mahut (quarterfinals)
Raven Klaasen / 
Marcelo Melo (champions)
Alexander Peya / Bruno Soares (quarterfinals)
Draw edit
Key edit
- Q = Qualifier
- WC = Wild card
- LL = Lucky loser
- Alt = Alternate
- SE = Special exempt
- PR = Protected ranking
- ITF = ITF entry
- JE = Junior exempt
- w/o = Walkover
- r = Retired
- d = Defaulted
- SR = Special ranking
Draw edit
| First round | Quarterfinals | Semifinals | Final | ||||||||||||||||||||||||
| 1 |  B Bryan M Bryan
| 68 | 7 | [6] | |||||||||||||||||||||||
| JS Cabal R Farah
| 710 | 5 | [10] | JS Cabal R Farah
| 6 | 65 | [10] | ||||||||||||||||||||
 S González B Paire
| 67 | 0 | R Gasquet F Verdasco
| 4 | 77 | [5] | |||||||||||||||||||||
| R Gasquet F Verdasco
| 79 | 6 | JS Cabal R Farah
| 7 | 4 | [10] | |||||||||||||||||||||
| 4 |  A Peya B Soares
| 62 | 6 | [10] | Q | S Johnson S Querrey
| 5 | 6 | [8] | ||||||||||||||||||
| PR | R Ram R Štěpánek
| 77 | 4 | [4] | 4 | A Peya B Soares
| 63 | 4 | |||||||||||||||||||
F López M Mirnyi
| 4 | 63 | Q | S Johnson S Querrey
| 77 | 6 | |||||||||||||||||||||
| Q | S Johnson S Querrey
| 6 | 77 | JS Cabal R Farah
| 65 | 6 | [7] | ||||||||||||||||||||
 T Huey H Kontinen
| 5 | 6 | [10] | 3 | R Klaasen M Melo
| 77 | 3 | [10] | |||||||||||||||||||
| LL |  A Begemann A Sitak
| 7 | 0 | [8] | T Huey H Kontinen
| 6 | 63 | [7] | |||||||||||||||||||
 A Dolgopolov B Tomic
| 63 | 66 | 3 | R Klaasen M Melo
| 2 | 77 | [10] | ||||||||||||||||||||
| 3 | R Klaasen M Melo
| 77 | 78 | 3 | R Klaasen M Melo
| 6 | 6 | ||||||||||||||||||||
| WC |  T Matsui J Nieminen
| 77 | 3 | [6] |  A-u-H Qureshi G Simon
| 4 | 3 | ||||||||||||||||||||
| A-u-H Qureshi G Simon
| 62 | 6 | [10] | A-u-H Qureshi G Simon
| 4 | 6 | [10] | ||||||||||||||||||||
| WC | A Krajicek Y Uchiyama
| 4 | 64 | 2 | P-H Herbert N Mahut
| 6 | 3 | [8] | |||||||||||||||||||
| 2 | P-H Herbert N Mahut
| 6 | 77 | ||||||||||||||||||||||||
Qualifying edit
Seeds edit
Andre Begemann / 
Artem Sitak (qualifying competition, lucky losers)- Steve Johnson / Sam Querrey (qualified)
Qualifiers edit
Lucky losers edit
Qualifying draw edit
| First round | Qualifying competition | ||||||||||||
| 1 | Andre Begemann Artem Sitak
| 6 | 6 | ||||||||||
| WC | Hiroki Moriya Takao Suzuki
| 0 | 1 | ||||||||||
| 1 | Andre Begemann Artem Sitak
| 4 | 6 | [7] | |||||||||
| 2 | Steve Johnson Sam Querrey
| 6 | 3 | [10] | |||||||||
| Nicholas Monroe Donald Young
| 5 | 62 | |||||||||||
| 2 | Steve Johnson Sam Querrey
| 7 | 7 | ||||||||||