This page covers all the important events in the sport of tennis in 2015. Primarily, it provides the results of notable tournaments throughout the year on both the ATP and WTA Tours, the Davis Cup, and the Fed Cup.
| Category | Championship | Champion | Finalist | Score in the final |
|---|---|---|---|---|
| Men's singles |  Novak Djokovic | 7–6(7–5), 6–7(4–7), 6–3, 6–0 | ||
| Stan Wawrinka | 4–6, 6–4, 6–3, 6–4 | |||
| Novak Djokovic | 7–6(7–1), 6–7(10–12), 6–4, 6–3 | |||
| Novak Djokovic | 6–4, 5–7, 6-4, 6-4 |
| Category | Championship | Champion | Finalist | Score in the final |
|---|---|---|---|---|
| Women's singles |  Serena Williams | 6–3, 7-6(7–5) | ||
| Serena Williams | 6–3, 6–7(2–7), 6–2 | |||
| Serena Williams | 6–4, 6–4 | |||
 Flavia Pennetta | 7-6(7–4), 6-2 |
| Category | Championship | Champions | Finalists | Score in the final |
|---|---|---|---|---|
| Men's Doubles | Simone Bolelli Fabio Fognini | 6–4, 6–4 | ||
Ivan Dodig  Marcelo Melo | 6–7(5–7), 7–6(7–5), 7–5 | |||
Jean-Julien Rojer  Horia Tecău | 7-6(7–5), 6–4, 6–4 | |||
 Pierre-Hugues Herbert Nicolas Mahut | 6-4, 6-4 |
| Category | Championship | Champions | Finalists | Score in the final |
|---|---|---|---|---|
| Women's Doubles | Bethanie Mattek-Sands  Lucie Šafářová | 6–4, 7–6(7–5) | ||
| Bethanie Mattek-Sands Lucie Šafářová | 3–6, 6–4, 6–2 | |||
Martina Hingis Sania Mirza | 5–7, 7–6(7–4), 7–5 | |||
| Martina Hingis Sania Mirza | 6-3, 6-3 |
| Category | Championship | Champions | Finalists | Score in the final |
|---|---|---|---|---|
| Mixed Doubles |  Martina Hingis Leander Paes | 6–4, 6–3 | ||
| Bethanie Mattek-Sands Mike Bryan | 7–6(7–3), 6–1 | |||
| Leander Paes Martina Hingis | 6–1, 6–1 | |||
| Leander Paes Martina Hingis | 6–4, 3-6, [10-7] |
| WTA Premier | Category | Champion(s) | Finalist(s) | Score in the final |
|---|---|---|---|---|
| Brisbane Premier (January 4 – January 11) | Women's singles |  Maria Sharapova | 6–7(4–7), 6–3, 6–3 | |
| Women's doubles | Martina Hingis Sabine Lisicki | 6–2, 7–5 | ||
| Sydney Premier (January 11 – January 17) | Women's singles | Petra Kvitová | 7–6(7–5), 7–6(8–6) | |
| Women's doubles | Bethanie Mattek-Sands Sania Mirza | 6–3, 6–3 |
| ATP World Tour 500 | Category | Champion(s) | Finalist(s) | Score in the final |
|---|---|---|---|---|
| Rotterdam (February 9 – February 15) | Men's singles | Stanislas Wawrinka | 4–6, 6–3, 6–4 | |
| Men's doubles | Jean-Julien Rojer Horia Tecău | 3–6, 6–3, [10–8] |
London Novak Djokovic Horia Tecău Indian Wells, California[4] Novak Djokovic
Vasek Pospisil / Jack Sock Novak Djokovic Bob Bryan / Mike Bryan Roquebrune-Cap-Martin[6] Novak Djokovic Bob Bryan / Mike Bryan Andy Murray Rohan Bopanna / Florin Mergea Rome[8] Novak Djokovic
David Marrero Montreal[9] Andy Murray Bob Bryan / Mike Bryan Mason, Ohio (Cincinnati)[10] Daniel Nestor / Édouard Roger-Vasselin Novak Djokovic Marcelo Melo Paris (final) Novak Djokovic Marcelo Melo Horia Tecău David Ferrer
Martin Kližan / 
Philipp Oswald Rohan Bopanna / Daniel Nestor
Kei Nishikori Marcelo Melo Kei Nishikori
Henri Kontinen Rajeev Ram Andy Murray Pierre-Hugues Herbert / Nicolas Mahut Rafael Nadal Jamie Murray / 
John Peers Kei Nishikori Bob Bryan / Mike Bryan Novak Djokovic Vasek Pospisil / Jack Sock Marcelo Melo David Ferrer
Łukasz Kubot / Marcelo Melo Alexander Peya / Bruno Soares Jamie Murray / John Peers Jonathan Marray David Ferrer
Juan Mónaco / Rafael Nadal Viktor Troicki Rohan Bopanna / Daniel Nestor Jiří Veselý Leander Paes
Víctor Estrella Burgos Richard Gasquet
Marcus Daniell / Artem Sitak Guillermo García-López Henri Kontinen
Juan Sebastián Cabal / Robert Farah Maksoud Kei Nishikori Mariusz Fyrstenberg / 
Santiago González Bob Bryan / Mike Bryan Gilles Simon Henri Kontinen Rafael Nadal Jarkko Nieminen / André Sá Martin Kližan Rameez Junaid / Adil Shamasdin Jack Sock
Ričardas Berankis / Teymuraz Gabashvili Jiří Veselý Marius Copil / Adrian Ungur Andy Murray Alexander Peya / Bruno Soares Richard Gasquet Scott Lipsky
Radu Albot / Dušan Lajović Dominic Thiem Michael Venus Thomaz Bellucci Juan Sebastián Cabal / Robert Farah Maksoud Nicolas Mahut Łukasz Kubot Rafael Nadal Rohan Bopanna / Florin Mergea
Denis Istomin Chris Guccione / André Sá Rajeev Ram Jonathan Marray / 
Aisam-ul-Haq Qureshi Benoît Paire Jérémy Chardy / Łukasz Kubot Bernard Tomic Édouard Roger-Vasselin / Radek Štěpánek Dominic Thiem Máximo González / André Sá Dominic Thiem
Aliaksandr Bury / Denis Istomin John Isner Bob Bryan / Mike Bryan Nicolás Almagro / Carlos Berlocq Dominic Inglot / 
Robert Lindstedt Jo-Wilfried Tsonga Łukasz Kubot / Édouard Roger-Vasselin Milos Raonic Henri Kontinen David Ferrer Henri Kontinen Tomáš Berdych
Jonathan Erlich / Colin Fleming Tomáš Berdych Nicholas Monroe / Jack Sock Andrey Rublev / Dmitry Tursunov Eric Butorac / Scott Lipsky Mark Philippoussis, Goran Ivanišević, and Mikael Pernfors) defeated Team USA (James Blake, Brad Gilbert, and Justin Gimelstob) 6–3.
Knokke-Heist[14] Xavier Malisse defeated Pete Sampras 6–7 (5), 7–5, 13–11, in the final. Majorca[15] Àlex Corretja defeated Thomas Enqvist 3–6, 6–4, 10–7, in the final.
Seoul (debut event)[16] Michael Chang 7–6 and 6–2, in the final. Pete Sampras defeated fellow American, John McEnroe, 6–3 and 7–6, in the final. Modena / Verona[18] John McEnroe defeated Sergi Bruguera, 6–3 and 6–4, in the final. London (final)[19] Tim Henman, 1–6, 7–6, and 10–6, in the final.
Nanchang Jelena Janković Zheng Saisai Agnieszka Radwańska Sania Mirza Zhuhai (debut event and replaces the WTA Tournament of Champions)[23] Venus Williams Liang Chen / Wang Yafan Maria Sharapova Petra Kvitová Bethanie Mattek-Sands / Sania Mirza Anabel Medina Garrigues / Arantxa Parra Santonja Lucie Šafářová Raquel Kops-Jones / Abigail Spears Sania Mirza Bethanie Mattek-Sands / Lucie Šafářová Garbiñe Muguruza / Carla Suárez Navarro Caroline Garcia / Katarina Srebotnik Xu Yifan / Zheng Saisai Petra Kvitová Lucie Hradecká Agnieszka Radwańska Garbiñe Muguruza / Carla Suárez Navarro Svetlana Kuznetsova Daria Kasatkina / Elena Vesnina Simona Halep
Lyudmyla Kichenok / Nadiia Kichenok Venus Williams Sara Errani / Roberta Vinci Heather Watson Johanna Larsson Daniela Hantuchová Sara Errani Ysaline Bonaventure / Rebecca Peterson Lara Arruabarrena / María Teresa Torró Flor Gabriela Dabrowski / Alicja Rosolska Liang Chen / Wang Yafan Anna Karolína Schmiedlová Ysaline Bonaventure / Demi Schuurs Teliana Pereira Paula Cristina Gonçalves / Beatriz Haddad Maia Elina Svitolina
Tímea Babos / Kristina Mladenovic Karolína Plíšková Kateřina Siniaková Samantha Stosur Liang Chen Karin Knapp Anabel Medina Garrigues Raquel Kops-Jones / Abigail Spears Camila Giorgi Asia Muhammad / Laura Siegemund Anna Karolína Schmiedlová
Oksana Kalashnikova / Demi Schuurs Johanna Larsson Johanna Larsson Samantha Stosur
Danka Kovinić / 
Stephanie Vogt Lesia Tsurenko Daria Gavrilova / Elina Svitolina Teliana Pereira Margarita Gasparyan Margarita Gasparyan / Alexandra Panova Sloane Stephens Kristina Mladenovic Barbora Krejčíková / An-Sophie Mestach Yanina Wickmayer Jelena Janković Sania Mirza Irina-Camelia Begu Lara Arruabarrena / Andreja Klepač Nao Hibino Margarita Gasparyan / Alexandra Panova Agnieszka Radwańska Xu Yifan / Zheng Saisai Jelena Janković Alizé Cornet / 
Yaroslava Shvedova Anastasia Pavlyuchenkova Raquel Kops-Jones / Abigail Spears Misaki Doi Simona Halep Sania Mirza Serena Williams Sania Mirza Petra Kvitová Casey Dellacqua / Yaroslava Shvedova Beijing[24] Garbiñe Muguruza Sania Mirza Simona Halep Tímea Babos / Kristina Mladenovic Maria Sharapova Tímea Babos / Kristina Mladenovic Toronto Bethanie Mattek-Sands / Lucie Šafářová Serena Williams Venus Williams Sania Mirza Perth[27] 
Antalya[28] Washington, D.C.[29] Mission Viejo, California[30] Stéphane Houdet / Joachim Gérard Nicholas Taylor / David Wagner London[31] Joachim Gérard David Wagner Indian Aces, 26–21, to win their first International Premier Tennis League title. Rio de Janeiro (Olympic and Paralympic Test Event)[33] Thiago Monteiro Daniel Rodrigues Gabriela Cé Natalia Mayara