NEW YORK -- American Jack Sock was overcome by the heat and had to retire in the fourth set of his U.S. Open match. The 28th-seeded Sock was three games from winning the match in the third set ...

American tennis star Jack Sock, who has paired up with Eugenie Bouchard at the PPA Tour Masters this week, has said that their opponents are going to be very scared of us. The duo teaming up for ...

Rafael Nadal set up a mouth-watering quarter-final against Novak Djokovic by winning his 70th French Open match, but only after fending off a brave fightback from Jack Sock in a 6-3 6-1 5-7 6-2 ...

American Jack Sock battled back from a set down to beat qualifier Filip Krajinovic 5-7, 6-4, 6-1 and win the Paris Masters title on Sunday, snatching a place at the World Tour Finals.

I think I have been there six or seven out of 10 nights, probably.” Like Roddick, Sock wears his cap backward. He lacks Roddick's power but is a dogged baseliner with a tricky kick serve.

Jack Sock, Eugenie Bouchard lose in mixed doubles at PPA Red Rock Open ... but are not out of the tournament The two compete tomorrow in men’s and women’s doubles, along with former ATP world ...