This is Paes' seventh mixed doubles Grand Slam win, and the 41-year-old is the oldest man to have ever won a Grand Slam title.
Here are the 15 Grand Slam victories by the Indian tennis ace.
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Leander Paes, left, won his first Grand Slam title with Mahesh Bhupathi in 1999, clinching the French Open men's doubles. Paes and Bhupathi defeated Goran Ivanisevic of Croatia and Jeff Tarango of the U.S. 6-2, 7-5 in the men doubles' final tennis match at the French Open at Roland Garros stadium in Paris Sunday, June 6, 1999.
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Leander Paes struck gold again with Mahesh Bhupathi that year at Wimbledon his time. The pair won the Wimbledon Lawn Tennis Championships on July 4, 1999 at the All England Lawn Tennis Club in Wimbledon, London.
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Paes' hat-trick Grand Slam win that year was at the Wimbledon mixed doubles with partner Lisa Raymond. They won on the Centre Court at Wimbledon, Sunday, July 4, 199, defeating Jonas Bjorkman and Anna Kournikova in the final.
Paes and Bhupathi won again at the 2001 French Open Men's Doubles. The duo defeated Petr Pala and Pavel Vizner of the Czech Rep during the French Open Tennis at Roland Garros, Paris, France.
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Leander Paes and Martina Navratilova of the USA won the Australian Open in 2003 by defeating Todd Woodbridge of Australia and Eleni Daniilidou of Greece. The pair won the Mixed Doubles final during the Australian Open Tennis Championships at Melbourne Park, Melbourne, Australia on January 26, 2003.
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Paes won with Navratilova again in 2003 after they defeated Andy Ram of Israel and Anastassia Rodionova of Russia at the Wimbledon Tennis Championships 06 July, 2003 in Wimbledon, south London, winning in straight sets of 6-3, 6-3.
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Paes' next Grand Slam win was at the US Open with Martin Damm of the Czech Republic. They won the men's doubles, defeating Jonas Bjorkman of Sweden and Max Mirnyi of Belarus at the U.S. Open at the USTA Billie Jean King National Tennis Center in Flushing Meadows Corona Park on September 9, 2006 in the Flushing neighbourhood of the Queens borough of New York City.
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Paes returned in 2008 to the US Open with Cara Black of Zimbabwe, winning the mixed doubles title. They defeated Liezel Huber of the United States and Jamie Murray of Britain in New York on Thursday, September 4, 2008.
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Paes and Lukas Dlouhy of Czech Republic won the men's double in the 2009 French Open after defeating Wesley Moodie of South Africa and Dick Norman of Belgium at Roland Garros on June 6, 2009 in Paris, France.
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The same year, the pair won again at the US Open, with Paes and Dlouhy defeating Paes' ex-partner Mahesh Bhupathi and Mark Knowles of Bahamas. They won 3-6, 6-3, 6-2 at the USTA Billie Jean King National Tennis Center, in New York, September 13, 2009.
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In 2010, Leander Paes paired with Cara Black of Zimbabwe, winning the Australian Open. They defeated Ekaterina Makarova of Russia and Jaroslav Levinsky of the Czech Republic in the mixed's doubles final match in Melbourne on January 31, 2010. Paes and Black took the title 7-5, 6-3.
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The duo struck again at the Wimbledon, winning the mixed doubles title after defeating Wesley Moodie of South Africa and Lisa Raymond of USA at the All England Lawn Tennis and Croquet Club on July 4, 2010 in London, England.
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Paes partnered with Radek Stepanek of Czech Republic to win the 2012 Australian Open men's doubles. They won 7-6. 6-2 after defeating Bob and Mike Bryan of the US on January 28, 2012.
Paes and Stepanek won again in the 2013 US Open men's doubles, defeating Alexander Peya of Austria and Bruno Soares of Brazil. They won 6-1 6-3 at the USTA Billie Jean King National Tennis Center on September 8, 2013 in the Flushing neighborhood of the Queens borough of New York City.
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On Sunday, Paes won his 15th Grand Slam title, winning the 2015 Australian Open mixed doubles with Martina Hingis of Switzerland. The pair won against Kristina Mladenovic of France and Daniel Nestor of Canada at Melbourne Park on February 1, 2015 in Melbourne, Australia.