Japanese tennis star Kei Nishikori has enlisted the help of Michael Chang as he looks to break into the top 10 in 2014.
Kei Nishikori of Japan beat Jo-Wilfried Tsonga 1-6, 7-6 (4), 7-6 (7) in the second round of the Paris Masters on Tuesday, ending the Frenchman's bid for a spot in the World Tour Finals.
Roger Federer rallied past Denis Istomin 4-6, 6-3, 6-2 in the second round of the Swiss Indoors on Wednesday.
Stanislas Wawrinka lost in the first round of the Swiss Indoors on Tuesday, damaging his chances of playing in his first ATP World Tour Finals.
Raise your hand if you thought Rafael Nadal could make this kind of comeback? If you did, we don't believe you.
Next week, for the first time in 40 years of ATP rankings, there will be no American men in the top 20.
Roger Federer and Rafael Nadal want the Wimbledon title. But they'll need to get past each other in the quarterfinals first.
Anyone outside the big four and Serena Williams is considered an outsider for the title, but there are others worth looking out for on the lawns of SW19.
Top-seeded John Isner got past feisty Jesse Levine 7-6 (3), 5-7, 6-4 to advance to the second round of the Delray Beach International Tennis Championships on Tuesday night.
Top-seeded Marin Cilic lost in straight sets to Kei Nishikori of Japan in the quarterfinals Friday of the U.S. National Indoor Tennis Championships.
Top seed Marin Cilic of Croatia survived three match points in a third-set tiebreaker against Igor Sijsling of the Netherlands to advance to the quarterfinals of the U.S. National Indoor Championships with a 7-6 (2), 3-6, 7-6 (7) victory Thursday.
Jo-Wilfried Tsonga reached the third round of the Paris Masters with a 6-2, 4-6, 7-6 (2) win over Julien Benneteau on Tuesday.
Top seed John Isner won a hard-fought tiebreaker in the first set and held off teenager Jack Sock on Friday night to advance to the Atlanta Open semifinals.
Two-time defending champion Mardy Fish withdrew from the Atlanta Open on Thursday due to an apparent left ankle injury.
Fourth-seeded Andy Roddick beat Nicolas Mahut of France 7-6 (4), 6-3 in the second round of the Atlanta Open on Wednesday night after rain delayed the tournament 41/2 hours.
James Blake upset No. 6 seed Ryan Harrison 1-6, 6-3, 7-5 in a match that began 2.5 hours late because of rain at the Atlanta Open on Tuesday night.