Isner overpowers Lu to reach Atlanta semis

ATLANTA - John Isner overwhelmed Yen-Hsun Lu 6-1, 6-2 in less than an hour to advance to the semifinals of the Atlanta Tennis Championships. The 6-foot-9 Isner, who needed almost three hours to beat James Blake in three tough sets on Wednesday night, faced little resistance from 5-foot-11 Lu, Chinese Taipei's top-seeded player, on Friday. Isner, the tournament's No. 3 seed, won in 56 minutes, earning quick relief from the Atlanta heat. Gilles Muller of Luxembourg upset No. 2 seed Kevin Anderson of South Africa 7-6 (3), 7-6 (3) in Friday's first match. Muller advanced to his first ATP semifinal since 2005. He will play Isner on Saturday. Story continues below ↓ advertisement | your ad here Isner beat Muller in a second-round match in Atlanta last year.