October 5, 2013 -- Updated 1547 GMT (2347 HKT)
Rafael Nadal reclaims the world No. 1 ranking, toppling Novak Djokovic from top spot ahead of their clash in Sunday's China Open final.
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After Viktor Troicki received an 18-month ban for failing to provide a blood sample at a tournament this year, the International Tennis Federation said it will 'likely' change one of its anti-doping rules in 2014.
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Former world No. 3 David Nalbandian calls time on his career after failing to recover from a troublesome shoulder problem.
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Is it time for women tennis players to start playing five sets, asks CNN's Will Edmonds.
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Nadal on comeback triumph
Fresh from his stunning win in New York, Rafael Nadal describes his relief after a painful comeback