Who will reign supreme in tennis in 2017?
2016 was a wild year in tennis, but 2017 looks ready to be even better. Open Court's Pat Cash talks about Roger Federer, Serena Williams and more.
02:01 - Source: CNN
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LONDON, ENGLAND - NOVEMBER 20: Andy Murray of Great Britain reacts during the Men's Singles Final against Novak Djokovic of Serbia at the Barclays ATP World Tour Finals at O2 Arena on November 20, 2016 in London, England.  (Photo by Justin Setterfield/Getty Images)
Who will reign supreme in tennis in 2017?
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Naomi Osaka, of Japan, holds the trophy after defeating Serena Williams in the women's final of the U.S. Open tennis tournament, Saturday, September 8 in New York.
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Serena Williams of the US smashes her racquet while playing against Naomi Osaka of Japan during their Women's Singles Finals match at the 2018 US Open at the USTA Billie Jean King National Tennis Center in New York on September 8, 2018.
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Alize Cornet (FRA) plays her first round at the 2018 US Open at Billie Jean National Tennis Center in New York City, NY, USA, on August 28, 2018. Photo by Corinne Dubreuil/Abaca/Sipa USA(Sipa via AP Images)
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PARIS, FRANCE - JUNE 11:  Rafael Nadal of Spain celebrates victory with the trophy following the mens singles final against Stan Wawrinka of Switzerland on day fifteen of the 2017 French Open at Roland Garros on June 11, 2017 in Paris, France.  (Photo by Clive Brunskill/Getty Images)
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Russia's Maria Sharapova during her semi final round match at the French Tennis Open at Roland-Garros arena in Paris, France on June 6, 2013. Photo by Corinne Dubreuil/ABACAPRESS.COM
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SEP 1989:  YANNICK NOAH OF FRANCE PERFORMS A RUNNING FOREHAND DURING A MATCH AT THE 1989 US OPEN PLAYED AT FLUSHING MEADOWS IN NEW YORK.
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PARIS, FRANCE - JUNE 07:  Novak Djokovic of Serbia serves in the Men's Singles Final against Stanislas Wawrinka of Switzerland on day fifteen of the 2015 French Open at Roland Garros on June 7, 2015 in Paris, France.  (Photo by Julian Finney/Getty Images)
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NEW YORK, NY - SEPTEMBER 10:  Rafael Nadal of Spain bites the championship trophy during the trophy ceremony after their Men's Singles Finals match on Day Fourteen of the 2017 US Open at the USTA Billie Jean King National Tennis Center on September 10, 2017 in the Flushing neighborhood of the Queens borough of New York City. Rafael Nadal defeated Kevin Anderson in the third set with a score of 6-3, 6-3, 6-4.  (Photo by Clive Brunskill/Getty Images)
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NEW YORK, NY - SEPTEMBER 09:  Sloane Stephens of the United States poses with the championship trophy during the trophy presentation after the Women's Singles finals match on Day Thirteen of the 2017 US Open at the USTA Billie Jean King National Tennis Center on September 9, 2017 in the Flushing neighborhood of the Queens borough of New York City. Sloane Stephens defeated Madison Keys in the second set with a score of 6-3, 6-0.  (Photo by Elsa/Getty Images)
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NEW YORK, NEW YORK - SEPTEMBER 03: Denis Shapovalov of Canada reacts during his fourth round match against Pablo Carreno Busta of Spain on Day Seven of the 2017 US Open at the USTA Billie Jean King National Tennis Center on September 3, 2017 in the Flushing neighborhood of the Queens borough of New York City. (Photo by Richard Heathcote/Getty Images)
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NEW YORK, NY - SEPTEMBER 09:  Sloane Stephens of the United States poses with the championship trophy during the trophy presentation after the Women's Singles finals match on Day Thirteen of the 2017 US Open at the USTA Billie Jean King National Tennis Center on September 9, 2017 in the Flushing neighborhood of the Queens borough of New York City. Sloane Stephens defeated Madison Keys in the second set with a score of 6-3, 6-0.  (Photo by Elsa/Getty Images)
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LONDON, ENGLAND - JULY 15:  Garbine Muguruza of Spain celebrates victory with the trophy alongside runner up Venus Williams of The United States after the Ladies Singles final on day twelve of the Wimbledon Lawn Tennis Championships at the All England Lawn Tennis and Croquet Club at Wimbledon on July 15, 2017 in London, England.  (Photo by David Ramos/Getty Images)
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