Tournaments

MELBOURNE, AUSTRALIA - JANUARY 14: Reilly Opelka of the United States plays a backhand in his first round match against John Isner of the United States during day one of the 2019 Australian Open at Melbourne Park on January 14, 2019 in Melbourne, Australia. (Photo by Mark Kolbe/Getty Images)

Reilly Opelka touches career heights with first ATP title

Dubai Tennis Championships 2019: early winners and losers

Caroline Wozniacki withdrawal continues slow start to 2019 WTA Tour

Qatar Total Open is biggest title to date for new champion

ROTTERDAM, NETHERLANDS - FEBRUARY 15: Gael Monfils of France returns a backhand to Damir Dzumhur of Bosnia and Herzegovina in their quarter final during Day 5 of the ABN AMRO World Tennis Tournament at Rotterdam Ahoy on February 15, 2019 in Rotterdam, Netherlands. (Photo by Dean Mouhtaropoulos/Getty Images)

Gael Monfils: 2019 ATP Tour success improves title chances

MELBOURNE, AUSTRALIA - JANUARY 19: Elise Mertens of Belgium serves in her third round match against Madison Keys of the United States during day six of the 2019 Australian Open at Melbourne Park on January 19, 2019 in Melbourne, Australia. (Photo by Cameron Spencer/Getty Images)

Elise Mertens SHOCKS Angelique Kerber at 2019 Qatar Total Open

MELBOURNE, AUSTRALIA - JANUARY 19: Simona Halep of Romania plays a forehand in her third round match against Venus Williams of the United States during day six of the 2019 Australian Open at Melbourne Park on January 19, 2019 in Melbourne, Australia. (Photo by Cameron Spencer/Getty Images)

Simona Halep outlasts Elina Svitolina at Qatar Total Open

NEW YORK, NY - AUGUST 29: Frances Tiafoe of the United States reacts during his first round Men's Singles match against John Isner of the United States on Day One of the 2016 US Open at the USTA Billie Jean King National Tennis Center on August 29, 2016 in the Flushing neighborhood of the Queens borough of New York City. (Photo by Alex Goodlett/Getty Images)

New York Open: John Isner, Frances Tiafoe, or the field?

MELBOURNE, AUSTRALIA - JANUARY 21: Simona Halep of Romania looks on in her fourth round match against Serena Williams of the United States during day eight of the 2019 Australian Open at Melbourne Park on January 21, 2019 in Melbourne, Australia. (Photo by Julian Finney/Getty Images)

Qatar Total Open: is former champion Simona Halep the favorite?

ADELAIDE, AUSTRALIA - JANUARY 31: Damir Dzumhur during practice after the Official Draw ahead of the Davis Cup Qualifier tie between Australia and Bosnia & Herzegovina at Memorial Drive on January 31, 2019 in Adelaide, Australia. (Photo by Mark Brake/Getty Images)

Rotterdam Open Stunner: Damir Dzumhur defeats Stefanos Tsitsipas

MELBOURNE, AUSTRALIA - JANUARY 11: Caroline Wozniacki of Denmark serves during a practice session ahead of the 2019 Australian Open at Melbourne Park on January 11, 2019 in Melbourne, Australia. (Photo by Scott Barbour/Getty Images)

With Caroline Wozniacki out, Qatar Total Open field shifts toward Simona Halep

MELBOURNE, AUSTRALIA - JANUARY 17: Jo-Wilfried Tsonga of France plays a backhand during his second round match against Novak Djokovic of Serbia during day four of the 2019 Australian Open at Melbourne Park on January 17, 2019 in Melbourne, Australia. (Photo by Quinn Rooney/Getty Images)

Jo-Wilfried Tsonga returns to top form following Open Sud de France

MELBOURNE, AUSTRALIA - JANUARY 26: Naomi Osaka of Japan serves in her Women's Singles Final match against Petra Kvitova of the Czech Republic on day 13 of the 2019 Australian Open at Melbourne Park on January 26, 2019 in Melbourne, Australia. (Photo by Kelly Defina/Getty Images for Tennis Australia)

Miami Open Favorite: Naomi Osaka, Sloane Stephens, or Serena Williams?

BRISBANE, AUSTRALIA - JANUARY 02: Andy Murray of Great Britain waves to the crowd after being defeated in the match against Daniil Medvedev of Russia during day four of the 2019 Brisbane International at Pat Rafter Arena on January 02, 2019 in Brisbane, Australia. (Photo by Bradley Kanaris/Getty Images)

Brisbane International: Andy Murray Wins One, Loses One

ABU DHABI, UNITED ARAB EMIRATES - DECEMBER 29: Novak Djokovic of Serbia looks on during the men's final match of the Mubadala World Tennis Championship at International Tennis Centre Zayed Sports City on December 29, 2018 in Abu Dhabi, United Arab Emirates. (Photo by Francois Nel/Getty Images)

World Number One Novak Djokovic has Winning Start in Doha

BRISBANE, AUSTRALIA - JANUARY 01: Nick Kyrgios of Australia reacts in his match against Ryan Harrison of USA during day three of the 2019 Brisbane International at Pat Rafter Arena on January 01, 2019 in Brisbane, Australia. (Photo by Albert Perez/Getty Images)

Nick Kyrgios: defending champion strikes back at Brisbane International

BRISBANE, AUSTRALIA - DECEMBER 30: Elina Svitolina speaks to the press during day one of the 2019 Brisbane International at Pat Rafter Arena on December 30, 2018 in Brisbane, Australia. (Photo by Albert Perez/Getty Images)

Elina Svitolina eyes Grand Slam win and world number one ranking

NEW YORK, NY - AUGUST 30: Eugenie Bouchard of Canada serves during her women's singles second round match against Marketa Vondrousova of Czech Republic on Day Four of the 2018 US Open at the USTA Billie Jean King National Tennis Center on August 30, 2018 in the Flushing neighborhood of the Queens borough of New York City. (Photo by Julian Finney/Getty Images)

Eugenie Bouchard Bounces Back, Wins Auckland Opener

NEW YORK, NY - SEPTEMBER 07: Rafael Nadal of Spain reacts during his men's singles semi-final match against Juan Martin del Potro of Argentina on Day Twelve of the 2018 US Open at the USTA Billie Jean King National Tennis Center on September 7, 2018 in the Flushing neighborhood of the Queens borough of New York City. (Photo by Elsa/Getty Images)

Rafael Nadal must recover and prove himself after Mubadala loss

SINGAPORE - OCTOBER 24: Angelique Kerber of Germany plays a forehand in her women's singles match against Naomi Osaka of Japan during day 4 of the BNP Paribas WTA Finals Singapore presented by SC Global at Singapore Sports Hub on October 24, 2018 in Singapore. at Singapore Sports Hub on October 24, 2018 in Singapore. (Photo by Clive Brunskill/Getty Images)

Angelique Kerber Wins, Fights for Strong 2019 Start

SHANGHAI, CHINA - OCTOBER 14: Novak Djokovic of Serbia poses with his trophy after defeating Borna Coric of Croatia in the final of men's singles match of the 2018 Rolex Shanghai Masters at Qi Zhong Tennis Centre on October 14, 2018 in Shanghai, China. (Photo by Kevin Lee/Getty Images)

Novak Djokovic Remains Clearcut Favorite on 2019 ATP Tour

PERTH, AUSTRALIA - DECEMBER 30: Belinda Bencic and Roger Federer of Switzerland laugh in the mixed doubles match against Katie Boulter and Cameron Norrie of Great Britain during day two of the 2019 Hopman Cup at RAC Arena on December 30, 2018 in Perth, Australia. (Photo by Will Russell/Getty Images)

Roger Federer’s Hopman Cup performance sign of what to expect

Eugenie Bouchard Enjoys Auckland Prior To Tournament Action

ABU DHABI, UNITED ARAB EMIRATES - DECEMBER 29: Novak Djokovic of Serbia celebartes after winning the men's final match of the Mubadala World Tennis Championship at International Tennis Centre Zayed Sports City on December 29, 2018 in Abu Dhabi, United Arab Emirates. (Photo by Francois Nel/Getty Images)

Novak Djokovic Sees Mubadala World Tennis Championship Success

BRISBANE, AUSTRALIA - DECEMBER 29: Kei Nishikori of Japn blows out candles on his birthday cake ahead of the 2019 Brisbane International at Pat Rafter Arena on December 29, 2018 in Brisbane, Australia. (Photo by Chris Hyde/Getty Images)

Happy Birthday to former world number four Kei Nishikori

LAGUNA NIGUEL, CA - OCTOBER 02: Maria Sharapova speaks onstage at the Fortune Most Powerful Women Summit 2018 at Ritz Carlton Hotel on October 2, 2018 in Laguna Niguel, California. (Photo by Phillip Faraone/Getty Images for Fortune)

Is Maria Sharapova healthy enough to make a run in 2019?

BRISBANE, AUSTRALIA - DECEMBER 28: Andy Murray of Great Britain and coach Jamie Delgado during a practice session ahead of the 2019 Brisbane International at Pat Rafter Arena on December 28, 2018 in Brisbane, Australia. (Photo by Chris Hyde/Getty Images)

Andy Murray Believes in Himself Heading into Brisbane

LONDON, ENGLAND - NOVEMBER 15: Roger Federer of Switzerland celebrates match point during his round robin match against Kevin Anderson of South Africa during Day Five of the Nitto ATP Finals at The O2 Arena on November 15, 2018 in London, England. (Photo by Julian Finney/Getty Images)

ATP Tour: what it is, what it looks like, and what fans need to know