Tournaments

MELBOURNE, AUSTRALIA - JANUARY 16: Petra Kvitova of the Czech Republic celebrates winning a point in her first round match against Andrea Petkovic of Germany on day two of the 2018 Australian Open at Melbourne Park on January 16, 2018 in Melbourne, Australia. (Photo by Cameron Spencer/Getty Images)

Petra Kvitova: back-to-back WTA titles in St. Petersburg and Qatar

John Isner: American earns much needed first ATP win of 2018

Eugenie Bouchard: best showing of 2018 so far in Taiwan

Roger Federer set to retake world No. 1 ranking in Rotterdam

MELBOURNE, AUSTRALIA - JANUARY 18: David Goffin of Belgium plays a backhand in his second round match against Julien Benneteau of France on day four of the 2018 Australian Open at Melbourne Park on January 18, 2018 in Melbourne, Australia. (Photo by Ryan Pierse/Getty Images)

David Goffin in need of a win over Tomas Berdych in Rotterdam

MELBOURNE, AUSTRALIA - JANUARY 25: Angelique Kerber of Germany serves in her semi-final match against Simona Halep of Romania on day 11 of the 2018 Australian Open at Melbourne Park on January 25, 2018 in Melbourne, Australia. (Photo by Michael Dodge/Getty Images)

Angelique Kerber faces huge challenge in Johanna Konta

BRISBANE, AUSTRALIA - FEBRUARY 02: Alexander Zverev of Germany plays a backhand against Alex de Minaur of Australia during the Davis Cup World Group First Round tie between Australia and Germany at Pat Rafter Arena on February 2, 2018 in Brisbane, Australia. (Photo by Bradley Kanaris/Getty Images)

Alexander Zverev: still warming up on the 2018 ATP World Tour

MELBOURNE, AUSTRALIA - JANUARY 20: Mirza Basic of Bosnia and Herzegovina reacts in his second round match against Tomas Berdych of Czech Republic during day three of the 2016 Australian Open at Melbourne Park on January 20, 2016 in Melbourne, Australia. (Photo by Ryan Pierse/Getty Images)

Mizra Basic wins first career ATP singles title at Sofia Open

MELBOURNE, AUSTRALIA - JANUARY 22: Roger Federer of Switzerland plays a backhand in his fourth round match against Marton Fucsovics of Hungary on day eight of the 2018 Australian Open at Melbourne Park on January 22, 2018 in Melbourne, Australia. (Photo by Darrian Traynor/Getty Images)

Rotterdam Open: Roger Federer back in action after AusOpen

MELBOURNE, AUSTRALIA - JANUARY 18: Stan Wawrinka of Switzerland looks dejected after defeat in his second round match against Tennys Sandgren of the United States on day four of the 2018 Australian Open at Melbourne Park on January 18, 2018 in Melbourne, Australia. (Photo by Mark Kolbe/Getty Images)

Sofia Open: Stan Wawrinka ousted in the semifinals

LONDON, ENGLAND - NOVEMBER 11: Andy Murray of Great Britain in action watched by his coach Jamie Delgado during a training session prior to the Nitto ATP World Tour Finals at O2 Arena on November 11, 2017 in London, England. (Photo by Clive Brunskill/Getty Images)

Andy Murray picks Serena Williams for Wimbledon 2018

MELBOURNE, AUSTRALIA - JANUARY 18: Sweat flies in the air a Gael Monfils of France serves in his second round match against Novak Djokovic of Serbia on day four of the 2018 Australian Open at Melbourne Park on January 18, 2018 in Melbourne, Australia. (Photo by Scott Barbour/Getty Images)

Gael Monfils, Albert Ramos-Viñolas become frontrunners at Ecuador Open

MELBOURNE, AUSTRALIA - JANUARY 15: Victor Estrella Burgos of Dominican Republic plays a forehand during his first round match against Rafael Nadal of Spain on day one of the 2018 Australian Open at Melbourne Park on January 15, 2018 in Melbourne, Australia. (Photo by Cameron Spencer/Getty Images)

Ecuador Open: defending champion wins opener in Quito

MELBOURNE, AUSTRALIA - JANUARY 16: Petra Kvitova of the Czech Republic serves in her first round match against Andrea Petkovic of Germany on day two of the 2018 Australian Open at Melbourne Park on January 16, 2018 in Melbourne, Australia. (Photo by Cameron Spencer/Getty Images)

Petra Kvitova: remaking herself on the 2018 WTA Tour

BEIJING, CHINA - OCTOBER 06: Daria Kasatkina of Russia in action during the Women's singles Quarterfinals match against Simona Halep of Romania on day seven of 2017 China Open at the China National Tennis Centre on October 6, 2017 in Beijing, China. (Photo by Lintao Zhang/Getty Images)

St. Petersburg Ladies Trophy: 2018 semifinals are set

MELBOURNE, AUSTRALIA - JANUARY 27: Caroline Wozniacki of Denmark plays a forehand in her women's singles final against Simona Halep of Romania on day 13 of the 2018 Australian Open at Melbourne Park on January 27, 2018 in Melbourne, Australia. (Photo by Darrian Traynor/Getty Images)

Caroline Wozniacki wins first match after Australian Open

MELBOURNE, AUSTRALIA - JANUARY 16: Petra Kvitova of the Czech Republic plays a forehand in her first round match against Andrea Petkovic of Germany on day two of the 2018 Australian Open at Melbourne Park on January 16, 2018 in Melbourne, Australia. (Photo by Cameron Spencer/Getty Images)

Petra Kvitova: outstanding opener in St. Petersburg

MELBOURNE, AUSTRALIA - JANUARY 28: Roger Federer of Switzerland celebrates victory in the mens final against Marin Cilic of Croatia on day 14 of the 2018 Australian Open at Melbourne Park on January 28, 2018 in Melbourne, Australia. (Photo by Pat Scala/Getty Images)

Roger Federer: photos from his 20th Grand Slam title run

HOBART, AUSTRALIA - JANUARY 08: Eugenie Bouchard of Canada serves during her singles match against Aryna Sabalenka of Belarus during the 2018 Hobart International at Domain Tennis Centre on January 8, 2018 in Hobart, Australia. (Photo by Robert Cianflone/Getty Images)

Taiwan Open: Eugenie Bouchard wins opening match

NEWPORT BEACH, CA - JANUARY 23: Kei Nishikori of Japan returns a backhand volley to Dennis Novikov during the first round of the Oracle Challenger Series at the Newport Beach Tennis Club on January 23, 2018 in Newport Beach, California. (Photo by Jeff Gross/Getty Images)

Kei Nishikori: tennis star back in action at Dallas Challenger

MELBOURNE, AUSTRALIA - JANUARY 28: Runner-up Marin Cilic of Croatia speaks at the presentation after losing the 2018 Australian Open Men's Singles Final against Roger Federer of Switzerland on day 14 of the 2018 Australian Open at Melbourne Park on January 28, 2018 in Melbourne, Australia. (Photo by Clive Brunskill/Getty Images)

Marin Cilic: a look at his 2018 Australian Open run in pictures

MELBOURNE, AUSTRALIA - JANUARY 28: Runner-up Marin Cilic of Croatia speaks at the presentation after losing the 2018 Australian Open Men's Singles Final against Roger Federer of Switzerland on day 14 of the 2018 Australian Open at Melbourne Park on January 28, 2018 in Melbourne, Australia. (Photo by Michael Dodge/Getty Images)

ATP World Tour: rankings changes after Australian Open

MELBOURNE, AUSTRALIA - JANUARY 29: Roger Federer of Switzerland poses with the Norman Brookes Challenge Cup after winning the 2018 Australian Open Men's Singles Final, at Government House on January 29, 2018 in Melbourne, Australia. (Photo by Clive Brunskill/Getty Images)

Grand Slams aren’t the only titles that Roger Federer is winning

MELBOURNE, AUSTRALIA - JANUARY 28: Caroline Wozniacki of Denmark poses with the Daphne Akhurst Memorial Cup on an elegant wooden punt ride at the Royal Botanic Gardensafter winning the 2018 Women's Singles Australian Open Championship on January 28, 2018 in Melbourne, Australia. (Photo by Vince Caligiuri/Getty Images)

Federer Wozniacki take the titles at the 2018 Australian Open

MELBOURNE, AUSTRALIA - JANUARY 11: Eugenie Bouchard of Canada plays a forehand against Destanee Aiava of Australia during day three of the 2018 Kooyong Classic at Kooyong on January 11, 2018 in Melbourne, Australia. (Photo by Daniel Pockett/Getty Images)

Eugenie Bouchard reacts to Roger Federer’s AusOpen win

MELBOURNE, AUSTRALIA - JANUARY 27: Caroline Wozniacki of Denmark waves to the crowd as she leaves the court with the Daphne Akhurst Trophy after winning the women's singles final against Simona Halep of Romania on day 13 of the 2018 Australian Open at Melbourne Park on January 27, 2018 in Melbourne, Australia. (Photo by Scott Barbour/Getty Images)

Caroline Wozniacki: Grand Slam win ushers in new era in women’s tennis

MELBOURNE, AUSTRALIA - JANUARY 28: Roger Federer of Switzerland celebrates victory in the mens final against Marin Cilic of Croatia on day 14 of the 2018 Australian Open at Melbourne Park on January 28, 2018 in Melbourne, Australia. (Photo by Pat Scala/Getty Images)

Roger Federer: continues to amaze on the 2018 ATP World Tour

MELBOURNE, AUSTRALIA - JANUARY 28: Roger Federer of Switzerland acknowledges the fans with the Norman Brookes Challenge Cup after winning the 2018 Australian Open Men's Singles Final against Marin Cilic of Croatia on day 14 of the 2018 Australian Open at Melbourne Park on January 28, 2018 in Melbourne, Australia. (Photo by Darrian Traynor/Getty Images)

Australian Open: Roger Federer makes it 20 Grand Slams and counting