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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.

Mark Schiefelbein/AP Photo

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.

Federer upset by Tsitsipas at Australian Open

Defending champion Roger Federer loses in four sets to Stefanos Tsitsipas in the fourth round of the Australian Open.


Tsitsipas: 'I'm the happiest man on Earth right now'

Stefanos Tsitsipas reacts to defeating Roger Federer in the fourth round of the Australian Open.


Federer falls, but who's looking good for week two?

Stephanie Brantz and Nico Pereira recap the first week of Australian Open action, and ask who's stood out so far.


Australian Open: Day 8 preview

Stephanie Brantz and Pam Shriver analyze some of the toughest matches ahead of Monday's fourth round.


Top Headlines

Home hero Barty powers on

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.


Tiafoe continues to thrill

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.


Serena-Halep showdown

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.

Serena, Halep set for showdown

Serena advances to fourth round in straight sets

Dayana Yastremska can't convert on the easy shot as Serena Williams dominates her way to a third round 6-2, 6-1 win.


Serena uses Billie Jean King as inspiration

During her post-match interview, Serena Williams attributes success in not only tennis but in women's sports to Billie Jean King, whom Williams calls an inspiration.


Evert: Williams playing well enough to win

John McEnroe and Chrissie Evert share their thoughts on Serena Williams' easy victory over Dayana Yastremska.


Halep defeats Venus to advance at Australian Open

No. 1 Simona Halep takes down Venus Williams in straight sets to advance and take on Serena Williams in the Round of 16.


U.S. women

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.


DAY 7: Men's results

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.


ICYMI @ The Aussie

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.


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