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World No. 2 and defending champion Roger Federer was the stunning upset victim of Kei Nishikori Thursday in the third round of the Mutua Madrid Open.
Grigor Dimitrov ousted world No. 1 Novak Djokovic in a three-set marathon Tuesday in a second-round match at the Madrid Open.
Tournament wins allowed Tommy Haas and Stanislas Wawrinka to inch up in the men's tennis rankings going into the masters-level Madrid Open.
World No. 5 Rafael Nadal and relative newcomer Lukas Rosol each picked up tournament titles, but only Rosol moved up in the world rankings.
The prize purse at this year's Wimbledon Championships will total $34.4 million, an increase of about 40 percent over 2012, tournament officials said Tuesday.
Roger Federer, who decided to pass up this year's Monte Carlo Rolex Masters, returned to the world No. 2 ranking in men's tennis Monday.
Tommy Robredo and John Isner each won ATP tournaments last week but only Robredo saw a change in his world ranking.
Andy Murray, David Ferrer and Richard Gasquet all improved their standing in the men's world tennis rankings, which were updated Monday.
Second-seeded Andy Murray fought off match point in the third set Sunday and staged a rally to overcome David Ferrer for the championship of the Sony Open.
Andy Murray and David Ferrer, who meet for the Sony Open Tennis title, already have reason to celebrate as they will improve their world rankings next week.