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Meet your eight under-27 players who could challenge the game's elite players.
Australian Open champion Stan Wawrinka advanced to the quarterfinals of the Chennai Open by beating Croatian teenager Borna Coric 6-1, 6-4.
Total prize money on the ATP tour will surpass $100 million for the first time in 2015.
Fernando Verdasco advanced to the third round of the Paris Masters by beating 15th-seeded Gilles Simon 6-3, 3-6, 6-4 Tuesday.
Former third-ranked player Nikolay Davydenko has confirmed his retirement from tennis.
Philipp Kohlschreiber made a winning return from a four-week injury layoff Wednesday, rallying to defeat Carlos Berlocq of Argentina 3-6, 6-1, 6-4 in the second round of the Erste Bank Open.
Italian tennis players Daniele Bracciali and Potito Starace are facing corruption accusations after intercepted Internet conversations claiming they sold matches were printed Wednesday in Italian media.
Fabio Fognini of Italy has been fined $2,000 for flashing an obscene gesture at the crowd after crashing out to a 553rd-ranked Chinese wild card at the Shanghai Masters.
US Open runner-up Kei Nishikori beat the No. 4-seeded Milos Raonic of Canada 7-6 (5), 4-6, 6-4 in the final of the Japan Open on Sunday to win his fourth ATP Tour title of the season.
Rafael Nadal is back in form on the tennis court -- and in his sharp-tongued critiques of the ATP tour.
Five spots still remain to qualify for the elite eight-player ATP Tour Finals field in London. So who has the best shot?
Serena Williams narrowly avoided a bagel against Spanish qualifier Silvia Soler-Espinosa, then won 13 of the next 15 games to pull out a 7-5, 6-2 victory Monday in the first round of the China Open.
Juan Monaco of Argentina moved within one victory of his 300th career win on the ATP Tour, beating Federico Delbonis 6-3, 7-5 on Monday at the Shenzhen Open.
Top-seeded Jo-Wilfried Tsonga served 10 aces and saved all five break points to defeat Gilles Muller of Luxembourg 7-6 (7), 6-4 at the Moselle Open on Wednesday.
Lukas Rosol of the Czech Republic rallied from a set down Saturday to beat Poland's Jerzy Janowicz 3-6, 7-6 (3), 7-5 to win the Winston-Salem Open title.
Top-seeded Novak Djokovic was upset by 16th-seeded Tommy Robredo, 7-6 (6), 7-5, in the round of 16 at the Western & Southern Open on Thursday.