Tournaments

NEW YORK, NY - AUGUST 31: Gael Monfils of France serves against Donald Young of the United States during their second round Men's Singles match on Day Four of the 2017 US Open at the USTA Billie Jean King National Tennis Center on August 31, 2017 in the Flushing neighborhood of the Queens borough of New York City. (Photo by Al Bello/Getty Images)

Gael Monfils survives hard fought quarterfinal in Doha

Simona Halep, Maria Sharapova reach semis at Shenzhen Open

Kyle Edmund gets rematch with Grigor Dimitrov in Brisbane quarters

Dominic Thiem: last remaining seeded player in Doha

BRISBANE, AUSTRALIA - JANUARY 03: Alex De Minaur of Australia celebrates winning his match against Milos Raonic of Canada during day four of the 2018 Brisbane International at Pat Rafter Arena on January 3, 2018 in Brisbane, Australia. (Photo by Chris Hyde/Getty Images)

Alex De Minaur: shocking upset over Milos Raonic in Brisbane

PERTH, AUSTRALIA - JANUARY 03: Angelique Kerber and Alexander Zverev of Germany defeat Eugenie Bouchard and Vasek Pospisil of Canada in the mixed doubles match on Day Five of the 2018 Hopman Cup at Perth Arena on January 3, 2018 in Perth, Australia. (Photo by Will Russell/Getty Images)

Angelique Kerber, Germany best Canada at Hopman Cup

AUCKLAND, NEW ZEALAND - JANUARY 03: Caroline Wozniacki of Denmark acknowledges the fans after winning her match against Petra Martic of Croatia during day three of the ASB Women's Classic at ASB Tennis Centre on January 3, 2018 in Auckland, New Zealand. (Photo by Anthony Au-Yeung/Getty Images)

Caroline Wozniacki winning early at WTA Auckland Open

LONDON, ENGLAND - NOVEMBER 13: Rafael Nadal of Spain plays a backhand in his Singles match against David Goffin of Belgium during day two of the Nitto ATP World Tour Finals at O2 Arena on November 13, 2017 in London, England. (Photo by Clive Brunskill/Getty Images)

Rafael Nadal: No. 1 headed to 2018 Australian Open

BRISBANE, AUSTRALIA - DECEMBER 30: Grigor Dimitrov: poised for early 2018 ATP success speaks during the 2018 Brisbane International Official Draw and Media Opportunities at Pat Rafter Arena on December 30, 2017 in Brisbane, Australia. (Photo by Bradley Kanaris/Getty Images)

Grigor Dimitrov: poised for early 2018 ATP success

PERTH, AUSTRALIA - DECEMBER 31: Eugenie Bouchard of Canada serves to Daria Gavrilova of Australia in her singles match on day 2 of the 2018 Hopman Cup at Perth Arena on December 31, 2017 in Perth, Australia. (Photo by Paul Kane/Getty Images)

Eugenie Bouchard, team Canada need rebound win against Germany

PERTH, AUSTRALIA - JANUARY 02: Roger Federer and Belinda Bencic of Switzerland celebrate a point in the mixed doubles match against Anastasia Pavlyuchenkova and Karen Khachanov of Russia on Day Four of the 2018 Hopman Cup at Perth Arena on January 2, 2018 in Perth, Australia. (Photo by Paul Kane/Getty Images)

Hopman Cup 2018: Federer, Bencic sweep team Russia

BEIJING, CHINA - OCTOBER 03: (EDITORS NOTE: Image has been converted to black and white.) Maria Sharapova of Russia returns a shot against Ekaterina Makarova of Russia during the women's singles first round on day four of 2017 China Open at the China National Tennis Centre on October 3, 2017 in Beijing, China. (Photo by Lintao Zhang/Getty Images)

Maria Sharapova survives test from Alison Riske at Shenzhen Open

ABU DHABI, UNITED ARAB EMIRATES - DECEMBER 30: Jelena Ostapenko of Latvia plays a forehand against Serena Williams of United States during Ladies Final match on day three of the Mubadala World Tennis Championship at International Tennis Centre Zayed Sports City on December 30, 2017 in Abu Dhabi, United Arab Emirates. (Photo by Tom Dulat/Getty Images)

Jelena Ostapenko upset by Kristyna Pliskova at 2018 Shenzhen Open

ABU DHABI, UNITED ARAB EMIRATES - DECEMBER 28: Andy Murray of Great Britain practice during the Mubadala World Tennis Championship at International Tennis Centre Zayed Sports City on December 28, 2017 in Abu Dhabi, United Arab Emirates. (Photo by Francois Nel/Getty Images)

Andy Murray withdraws from Brisbane, 2018 tour in doubt

ABU DHABI, UNITED ARAB EMIRATES - DECEMBER 28: Andy Murray of Great Britain practice during the Mubadala World Tennis Championship at International Tennis Centre Zayed Sports City on December 28, 2017 in Abu Dhabi, United Arab Emirates. (Photo by Francois Nel/Getty Images)

Andy Murray set to test injured hip at Brisbane International

BEIJING, CHINA - OCTOBER 04: Maria Sharapova of Russia returns a shot against Simona Halep of Romania during the Women's singles 3rd round on day five of 2017 China Open at the China National Tennis Centre on October 4, 2017 in Beijing, China. (Photo by Lintao Zhang/Getty Images)

Maria Sharapova cruises into Shenzhen Open second round

PERTH, AUSTRALIA - DECEMBER 31: Eugenie Bouchard and Vasek Pospisil of Canada talk tactics in their mixed doubles match against Daria Gavrilova and Thanasi Kokkinakis of Australia on day 2 of the 2018 Hopman Cup at Perth Arena on December 31, 2017 in Perth, Australia. (Photo by Paul Kane/Getty Images)

Eugenie Bouchard, team Canada struggle at Hopman Cup

PERTH, AUSTRALIA - DECEMBER 31: Roger Federer and Belinda Bencic of Switzerland together with Alexander Zverev and Angelique Kerber of Germany are interviewed on stage during the 2018 Hopman Cup New Years Eve Ball at Crown Perth on December 31, 2017 in Perth, Australia. (Photo by Paul Kane/Getty Images)

Roger Federer rings in 2018 at Hopman Cup in Perth

MELBOURNE, AUSTRALIA - DECEMBER 17: Alex De Minaur of Australia celebrates a win in his match against Alex Bolt of Australia during the Australian Open December Showdown at Melbourne Park on December 17, 2017 in Melbourne, Australia. (Photo by Robert Prezioso/Getty Images)

Alex De Minaur sets up match with former world No. 3 Milos Raonic

SINGAPORE - OCTOBER 21: Simona Halep of Romania practices prior to the BNP Paribas WTA Finals Singapore presented by SC Global at Singapore Sports Hub on October 21, 2017 in Singapore. (Photo by Clive Brunskill/Getty Images)

Simona Halep opens against Nicole Gibbs in Shenzhen

BELGRADE, SERBIA - JULY 26: Novak Djokovic speaks to the media during the press conference at Novak Tennis Center on July 26, 2017 in Belgrade, Serbia. Twelve-time Grand Slam champion Djokovic has said he will not play again in 2017 because of an elbow injury. (Photo by Srdjan Stevanovic/Getty Images)

Novak Djokovic: injury concerns force withdrawal from action in Doha

BRISBANE, AUSTRALIA - DECEMBER 30: Garbine Muguruza of Spain plays a shot during a practice session at the 2018 Brisbane International at Pat Rafter Arena on December 30, 2017 in Brisbane, Australia. (Photo by Bradley Kanaris/Getty Images)

Garbine Muguruza can retake No. 1 ranking in Brisbane

ABU DHABI, UNITED ARAB EMIRATES - DECEMBER 30: Serena Williams of United States plays a forehand during her Ladies Final match against Jelena Ostapenko of Latvia on day three of the Mubadala World Tennis Championship at International Tennis Centre Zayed Sports City on December 30, 2017 in Abu Dhabi, United Arab Emirates. (Photo by Tom Dulat/Getty Images)

Serena Williams makes return to tennis in Abu Dhabi

ABU DHABI, UNITED ARAB EMIRATES - DECEMBER 29: Andy Murray of Great Britain plays a forehand during his exhibition match against Roberto Bautista Agut of Spain on day two of the Mubadala World Tennis Championship at International Tennis Centre Zayed Sports City on December 29, 2017 in Abu Dhabi, United Arab Emirates. (Photo by Tom Dulat/Getty Images)

Andy Murray drops one set exhibition match in Abu Dhabi

BRISBANE, AUSTRALIA - DECEMBER 29: Garbine Muguruza speaks at a press conference after walking along Streets Beach at Southbank ahead of the 2018 Brisbane International on December 29, 2017 in Brisbane, Australia. (Photo by Bradley Kanaris/Getty Images)

Garbine Muguruza enters Brisbane International as top seed

LONDON, ENGLAND - NOVEMBER 16: Alexander Zverev of Germany volleys in his Singles match against Jack Sock of the United States during day five of the Nitto ATP World Tour Finals at O2 Arena on November 16, 2017 in London, England. (Photo by Julian Finney/Getty Images)

Alexander Zverev to use Hopman Cup as 2018 kickoff

LONDON, ENGLAND - JULY 12: Novak Djokovic of Serbia talks during a press conference on day nine of the Wimbledon Lawn Tennis Championships at the All England Lawn Tennis and Croquet Club on July 12, 2017 in London, England. (Photo by Joe Toth - AELTC Pool/Getty Images)

Novak Djokovic: delayed start to 2018 tour due to injury

PERTH, AUSTRALIA - DECEMBER 29: Roger Federer of Switzerland looks on during a practice session against Thanasi Kokkinakis of Australia, ahead of the 2018 Hopman Cup at Perth Arena on December 29, 2017 in Perth, Australia. (Photo by Will Russell/Getty Images)

Roger Federer enters 2018 tour at the top of his game