Changing of the guard? What Tsitsipas' win over Federer really means
It was a shocker, to say the least. Stefanos Tsitsipas took down Roger Federer at the Australian Open, perhaps signaling the official start of the next generation.
Defending champ Federer loses to Tsitsipas
Two-time defending champion Roger Federer was upset by Greek youngster Stefanos Tsitsipas in the fourth round of the Australian Open on Sunday night.
You gotta fight ... for your right ... to Bar-ty! Aussie star headlines day of firsts
Ashleigh Barty thrilled the hometown crowd, while Frances Tiafoe put on a memorable performance. It was that kind of day Down Under.
Barty holds nerve to conquer Sharapova
Australia's Ash Barty has fought back from a set down against Maria Sharapova to secure her passage into a maiden Grand Slam quarterfinal berth.
Barty defeats Sharapova to reach first career Grand Slam quarterfinal
On her fourth match point of the third set, Ashleigh Barty hits an ace that Maria Sharapova can't return as she advances to the Aussie quarterfinals.
Frances Tiafoe keeps winning, celebrating like LeBron
LeBron James hasn't been on the court for the Lakers, but his iconic celebrations have seen a resurgence on the tennis court, thanks to American sensation Frances Tiafoe.
Tiafoe overwhelmed with emotion after win
Frances Tiafoe tears up talking about advancing to his first Grand Slam quarterfinal, his LeBron James-inspired celebration and winning on his 21st birthday.
Tiafoe celebrates 21st birthday with four-set win
Frances Tiafoe advances to his first Grand Slam quarterfinal with a victory over No. 20 Grigor Dimitrov (7-5, 7-6, 6-7, 7-5) at the Australian Open.
Experts: Breaking down the Serena Williams-Simona Halep clash Down Under
Who has the advantage in their Australian Open quarterfinal, Serena Williams or Simona Halep? We asked a panel of experts.
Day 8 Australian Open preview: Get your popcorn, take a seat and enjoy Serena-Halep
Serena Williams and world No. 1 Simona Halep clash Monday at the Australian Open. And you can bet it's going to be good.
It's the No. 1 vs. the GOAT: Halep and Serena set for Aussie showdown
Something has to give when Simona Halep and Serena Williams square off in the fourth round of the Australian Open.
Collins' strategy vs. Kerber: Go after it, believe in my shots
Danielle Collins says she believed in her shots during her win over Angelique Kerber and wants to keep winning Grand Slam matches.
American Collins ousts No. 2 Kerber in straight sets
Danielle Collins continues her miraculous run at the Australian Open by defeating Angelique Kerber in straight sets 6-0, 6-2.
American teenager Amanda Anisimova's incredible run at the Australian Open ends after a 6-2, 6-1 defeat by No. 8 Petra Kvitova in the fourth round. It took the two-time Wimbledon champ less than an hour to book her ticket to the quarterfinals in Melbourne for the first time since 2012. "I knew it would be a tough match for me," said Kvitova, 28, who was upset by Anisimova in the third round at Indian Wells last year. "There's always pressure when you're the favorite and the young players are playing fearless and have nothing to lose. I remember that from when I was younger."
Nadal advances to his 11th quarterfinal at Aussie Open
Rafael Nadal defeats Tomas Berdych in straight sets (0-6, 1-6, 6-7) to advance to the quarterfinals where he'll face American Frances Tiafoe.
Nadal admits Berdych made 'more mistakes than usual'
Rafael Nadal talks about defeating Tomas Berdych in straight sets and his first tournament back from injury.
Nadal says his girlfriend is in the 'main draw' of Aussie Open
Rafael Nadal jokes that after 14 years of dating, his girlfriend Xisca Perelló is into the "main draw" after two years of receiving "wildcard" entry.
Identification first, please: Roger Federer denied entry into locker room
Not even a record 20 Grand Slam titles and GOAT status can get you a free pass into the men's locker room at the Australian Open these days.
Djokovic downs Shapovalov, advances to 4th round
Novak Djokovic defeats Denis Shapovalov in the third round 6-3, 6-4, 4-6, 6-0 to advance at the 2019 Australian Open.
Rift among its players creating uncertain future for ATP Tour
The debate about whether ATP executive chairman and president Chris Kermode's contract should be renewed is tense, and it's only going to get more heated until there's a resolution.