| Doubles | |
|---|---|
| 2015 St. Petersburg Open | |
| Champions |  Treat Huey  Henri Kontinen |
| Runners-up |  Julian Knowle Alexander Peya |
| Final score | 7–5, 6–3 |
David Marrero and Fernando Verdasco won the last edition of the tournament held in 2013, but chose not to participate this year.
Treat Huey and Henri Kontinen won the title, defeating Julian Knowle and Alexander Peya in the final, 7–5, 6–3.
Treat Huey / Henri Kontinen (champions) Julian Knowle / Alexander Peya (final)
Mariusz Fyrstenberg / 
Santiago González (quarterfinals, withdrew) Philipp Oswald / 
Adil Shamasdin (quarterfinals)| First round | Quarterfinals | Semifinals | Final | ||||||||||||||||||||||||
| 1 | T Huey H Kontinen | 77 | 77 | ||||||||||||||||||||||||
 F Čermák  M Kukushkin | 62 | 62 | 1 | T Huey H Kontinen | 4 | 77 | [10] | ||||||||||||||||||||
 J Erlich  C Fleming | 6 | 5 | [8] |  R Junaid  N Monroe | 6 | 64 | [5] | ||||||||||||||||||||
| R Junaid N Monroe | 4 | 7 | [10] | 1 | T Huey H Kontinen | 6 | 7 | ||||||||||||||||||||
| 4 | P Oswald A Shamasdin | 78 | 2 | [10] |  A Bury  D Istomin | 3 | 5 | ||||||||||||||||||||
S Betov  M Elgin | 66 | 6 | [5] | 4 | P Oswald A Shamasdin | 6 | 3 | [11] | |||||||||||||||||||
| A Bury D Istomin | 4 | 77 | [10] | A Bury D Istomin | 3 | 6 | [13] | ||||||||||||||||||||
A Haider-Maurer  I Zelenay | 6 | 62 | [8] | 1 | T Huey H Kontinen | 7 | 6 | ||||||||||||||||||||
| WC | E Donskoy K Kravchuk | 3 | 6 | [5] | 2 | J Knowle A Peya | 5 | 3 | |||||||||||||||||||
| WC | A Rublev M Youzhny | 6 | 2 | [10] | WC | A Rublev M Youzhny | w/o | ||||||||||||||||||||
 D Gimeno-Traver M Granollers | 3 | 6 | [7] | 3 | M Fyrstenberg S González | ||||||||||||||||||||||
| 3 | M Fyrstenberg S González | 6 | 3 | [10] | WC | A Rublev M Youzhny | 4 | 2 | |||||||||||||||||||
 R Berankis T Gabashvili | 1 | 7 | [10] | 2 | J Knowle A Peya | 6 | 6 | ||||||||||||||||||||
 M Baghdatis T Kokkinakis | 6 | 5 | [4] | R Berankis T Gabashvili | 61 | 61 | |||||||||||||||||||||
 R Albot  B Paire | 2 | 1 | 2 | J Knowle A Peya | 77 | 77 | |||||||||||||||||||||
| 2 | J Knowle A Peya | 6 | 6 | ||||||||||||||||||||||||
Bob Bryan and Mike Bryan were the defending champions but decided not to participate.
Andre Begemann and Martin Emmrich won the title, defeating Julian Knowle and Filip Polášek 6–4, 3–6, [10–4] in the final.
Andre Begemann and Martin Emmrich were the defending champions, but lost in the first round to Mariusz Fyrstenberg and Marcin Matkowski.
Florin Mergea and Lukáš Rosol won the title, defeating Julian Knowle and Daniel Nestor in the final, 7–5, 6–4.
Colin Fleming and Bruno Soares were the defending champions but chose not to compete together. Fleming paired with Ross Hutchins, but lost in the first round to Andre Begemann and Martin Emmrich. Soares paired with Alexander Peya, but lost in the final to Julian Knowle and Marcelo Melo, 6–4, 3–6, [5–10].
Alexander Peya and Bruno Soares were the defending champions, but lost in the final to Treat Huey and Dominic Inglot, 5–7, 7–5, [8–10].
Vasek Pospisil and Jack Sock defeated the defending champions Bob and Mike Bryan in the final, 7–6(7–5), 6–7(3–7), 6–4, 3–6, 7–5 to win the gentlemen's doubles title at the 2014 Wimbledon Championships.
Martin Emmrich and Christopher Kas were the defending champions, but chose not to participate together. Emmrich played alongside Lukáš Rosol, but lost to Daniele Bracciali and Andrey Golubev in the semifinals. Kas teamed up with Philipp Kohlschreiber, but lost to Henri Kontinen and Jarkko Nieminen in the quarterfinals.
Kontinen and Nieminen won the title, defeating Bracciali and Golubev in the final, 6–1, 6–4.
Simone Bolelli and Fabio Fognini defeated Pierre-Hugues Herbert and Nicolas Mahut in the final, 6–4, 6–4, to win the men's doubles tennis title at the 2015 Australian Open. Bolelli and Fognini's victory earned them their first Grand Slam doubles title and their third title overall as a pair. They became the first all-Italian team to win a Grand Slam since Nicola Pietrangeli and Orlando Sirola at the 1959 French Open.
Jamie Murray and John Peers were the defending champions, but lost in the quarterfinals to Alexander Zverev and Mischa Zverev.
Nenad Zimonjić and Samantha Stosur were the defending champions, but Stosur chose not to participate this year. Zimonjić played alongside Jarmila Gajdošová, but lost in the third round to Robert Lindstedt and Anabel Medina Garrigues.
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.
Vasek Pospisil and Nenad Zimonjić were the defending champions, but Pospisil decided not to participate. Zimonjić plays alongside Marcin Matkowski but lost to Alexander Peya and Bruno Soares in the quarterfinals.
Alexander Peya and Bruno Soares were the defending champions, but Soares chose not to participate this year. Peya played alongside Julian Knowle, but lost in the semifinals to Juan Sebastián Cabal and Robert Farah.
Henri Kontinen and John Peers won the title, defeating Cabal and Farah in the final, 6–3, 3–6, [10–7].
Ivan Dodig and Marcelo Melo were the defending champions, but lost in the semifinals to Feliciano López and Marc López.
Jean-Julien Rojer and Horia Tecău were the defending champions, but lost in the first round to Jonathan Marray and Adil Shamasdin.
Jamie Murray and John Peers were the defending champions, but Murray chose to participate in the Davis Cup quarterfinals instead. Peers played alongside Henri Kontinen and successfully defended the title, defeating Daniel Nestor and Aisam-ul-Haq Qureshi in the final, 7–5, 6–3.
Pierre-Hugues Herbert and Nicolas Mahut were the defending champions, but lost in the semifinals to Jamie Murray and Bruno Soares.
Treat Huey and Henri Kontinen were the defending champions, but Huey chose not to participate this year. Kontinen played alongside Dominic Inglot and successfully defended the title, defeating Andre Begemann and Leander Paes in the final, 4–6, 6–3, [12–10].
Jamie Murray and Bruno Soares were the defending champions, but lost in the first round to Sam Querrey and Donald Young.
Łukasz Kubot and Marcelo Melo were the defending champions, but lost to Juan Sebastián Cabal and Robert Farah in the quarterfinals.
Nikola Mektić and Alexander Peya were the defending champions, but Peya could not participate due to injury. Mektić played alongside Franko Škugor but lost in the second round to Wesley Koolhof and Stefanos Tsitsipas.