atpworldtour World No. 1 Novak Djokovic has become the first player to win three straight #FinalShowdown titles since Ivan Lendl from 1985-87. Leave your comments for @djokernole below! #atp 4d

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atpworldtour Anyone else think this fan looks like the real deal? #atp #finalshowdown 4d

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atpworldtour The #FinalShowdown today welcomed its 1.5 millionth fan through the doors of The O2! The event, which moved to London in 2009, is this year on track to surpass its eight-day attendance record of 263,229 set in 2012. 5d

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atpworldtour Congrats to @djokernole for clinching the year-end No. 1 Emirates ATP Ranking for a third time! (Pic: ATP/Ella Ling) 6d

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atpworldtour Twin Celebration: Bryan brothers receive ATP Awards for year-end No. 1 and being voted Fans’ Favourites presented by Moët & Chandon. (Pic: ATP/Getty Images) 7d

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atpworldtour @rogerfederer tops Group B at the #FinalShowdown and qualifies for the semi-finals for the 12th time. (Pic: Getty Images) 1w

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atpworldtour Look who paid a visit to The O2 today! @rafael_nadal_ #ATP #tennis #FinalShowdown 1w

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atpworldtour @djokernole having a final practice before he plays Stan Wawrinka tonight. 1w

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atpworldtour @andymurray catches up with #Liam Payne from @onedirection after his win. #FinalShowdown #ATP #tennis 1w

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atpworldtour @rogerfederer meets with #Liam Payne of @onedirection after his #FinalShowdown win. #ATP #tennis 1w

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atpworldtour That's a wrap for day 1 of the #FinalShowdown. Tune in tomorrow for more behind the scenes action from the Barclays ATP World Tour Finals. 2w

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atpworldtour @rogerfederer rallying with Stefan Edberg ahead of #FinalShowdown clash with Raonic. 2w

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atpworldtour Take a look behind the scenes and the player dressing rooms at the #FinalShowdown 2w

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atpworldtour Take a look behind the scenes and the player dressing rooms at the #FinalShowdown 2w

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atpworldtour @rogerfederer and @tomasberdych hitting on centre court at The O2. #ATP #tennis #FinalShowdown 2w

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atpworldtour @tomasberdych takes the group selfie at today's official launch event for the #FinalShowdown. #atp 2w

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atpworldtour Marin #Cilic looking good at the launch! #ATP #tennis #FinalShowdown 2w

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atpworldtour @tomasberdych suited and booted for the launch! #ATP #tennis #FinalShowdown 2w

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atpworldtour Here's @bryanbros and @mikecbryan telling you why you should be following our live blog at www.barclaysatpworldtourfinals.com #ATP #tennis #FinalShowdown 2w

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atpworldtour @andymurray and @djokernole hitting on centre court this morning before the launch. #ATP #tennis #FinalShowdown 2w

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