Four-times Grand Slam champion Maria Sharapova has hired Sven Groeneveld as her new coach for the 2014 season.
Irina Khromacheva took to Twitter to express her delight at being in Russia's team to face Italy in the Fed Cup final.
Serena Williams showed her desire to defend her WTA Championships title by sweeping to a 6-3 6-1 win over Angelique Kerber.
Serena Williams aims to claim her 11th tournament trophy to round off one of the best years of her career.
Bulgaria hailed Grigor Dimitrov's maiden ATP tour title and praised the player for becoming an inspiration for young talent.
Angelique Kerber has clinched the final spot at the WTA's season-ending championships after reaching the Linz Open semis.
WTA rankings on Monday (Last week's positions in brackets):
Maria Sharapova has withdrawn from the season-ending WTA Championships in Istanbul due to a shoulder injury.
Serena Williams has clinched the year-end women's world number one ranking for the third time in her career.
WTA rankings on Monday (Last week's positions in brackets): points
Women's world number one Serena Williams has pulled out of next week's Pan Pacific Open in Tokyo citing fatigue.
ATP World Tour Finals
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