Petra Kvitova recovers from losing the first set to shock world number one Caroline Wozniacki and reach the Qatar Open final.
World number one Roger Federer reaches the final of the Rotterdam Open with a 6-3 7-6 win over Italian Andreas Seppi.
Roger Federer says becoming the oldest world number one in tennis history - 14 years after first topping the rankings - is a "dream come true".
American Ryan Harrison faces no action over a claim he directed a "racial slur" at compatriot Donald Young during the New York Open.
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Serena Williams makes her return to competitive tennis, five months after giving birth to her daughter Alexis Olympia, who watched on from the stands.
Boris Becker is appealing for the public's help in finding five of his six Grand Slam trophies as he is "unable to recollect where they are located".
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