Top-seeded defending champion John Isner advanced to the Atlanta Open final for the fourth time in the tournament's five-year history, beating practice partner Jack Sock 7-5, 6-4 on Saturday. Germany's Ben Becker faced Israel's Dudi Sela in the second semifinal. Isner, ranked No. 12 in the world, improved to 15-3 in the event after saving his best for the end of each set. The former University of Georgia star broke Sock's service twice -- each time to capture a set. Read more http://espn.go.com/tennis/story/_/id/11268597/top-seeded-john-isner-reaches-atlanta-open-final