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(1) Djokovic vs. (5) Cilic (Round Robin)

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If anyone can spoil the Federer-Djokovic showdown in London, it's Kevin Anderson

So who's going to come up strong down the stretch of the ATP World Tour Finals? Roger Federer? Novak Djokovic? How about ... Kevin Anderson?

Novak Djokovic returning serve with interest

Big servers, take notice. World No. 1 Novak Djokovic has your number. Don't believe us? Check out the stats.

World Tour Finals

From bad to good to really good for Roger Federer in ATP Finals

Who would have thought Roger Federer would be a semifinalist at the year-end championships -- never mind the top seed -- considering his dreadful start? But here he is.

Federer beats Anderson to make ATP Finals semis

Dominic Thiem overcame Kei Nishikori in straight sets to record his first win at the 2018 ATP Finals and keep alive his slim hopes of qualifying for the semifinals.

Federer defeats Anderson to reach ATP Finals semis

Roger Federer put together an impressive performance taking care of South African Kevin Anderson 6-4, 6-3 to advance to the last four of the ATP Finals.

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Top Headlines

Watch: Best of World Tour Finals

Federer not thinking about 100th title possibility

Roger Federer is in to the last four of the ATP finals, but he's not thinking about the prospect of it becoming his 100th title.

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Thiem claims impressive win over Nishikori

Austria's Dominic Thiem maintained his hopes of reaching the ATP Finals last four with a straight-set win over Japan's Kei Nishikori in London.

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Federer: I'm focused more on winning ATP Finals than 100th title

Roger Federer hailed Novak Djokovic's determination to rise back to the top after his injury and insists he wants to win the ATP Finals because of the tournament's prestige.

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ATP Cup

At the launch of the ATP Cup. A new team competition to take place before the Australian Open. It'll see 24 nations/teams face each other over 10 days in three cities. It's about "new reach", according to the ATP, and they're labelling it a "new era and a new world of tennis."

Tom Hamilton, Senior Writer1d ago

Stefanos Tsitsipas

Serena Williams' coach expects big things from Stefanos Tsitsipas, and so should you

He's become something of a superhero in Greece, and it's only a matter of time before the entire world knows Stefanos Tsitsipas.

Tsitsipas continues Next Gen run with Tiafoe win

Stefanos Tsitsipas is in pole position to advance to the semifinals of the ATP Next Gen Finals after securing a straight-sets victory over Frances Tiafoe.

Paris Masters

Welcome to the 'Next Big Thing' club, Karen Khachanov

He's big strong and talented. Karen Khachanov beat Novak Djokovic to win the Paris Masters, a win that immediately thrust the Russian into elite, but often disappointing, company.

Khachanov stuns Djokovic to win Paris Masters

Karen Khachanov upset a tired-looking Novak Djokovic 7-5, 6-4 to win the Paris Masters title and deprive Djokovic the chance on Sunday of matching Rafael Nadal's record of 33 Masters titles.

WTA Finals

Examining the WTA through a transition lens

It was the first year since 2011 that Serena Williams didn't win a major, as players like Elina Svitolina yearn for consistency.

Svitolina beats Stephens to win WTA Finals

Elina Svitolina became the first Ukrainian player to win the season-ending WTA Finals trophy, beating Sloane Stephens to secure the biggest title of her career on Sunday.

Serena's season

Why 2018 could be Serena Williams' most impactful year yet

Serena Williams showed us much more than a tennis cape in 2018. She showed us her human side.

Final word: Our take on Serena Williams' 2018 season

There were ups and downs along the way, but based on her 2018 season, Serena Williams proved she still has plenty of top-level tennis left.

Serena's coach supports in-match coaching

Serena Williams' coach says in-match coaching should be allowed in tennis to help the sport's popularity.

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