John Isner (USA) powers a forehand volley against Yen-Hsun Lu (TPE) during their quarterfinal match. John Isner defeated Yen-Hsun Lu in straight sets 6-1, 6-2 in Quarterfinal Action on Friday in the Atlanta Tennis Championships at the Racquet Club of the South in Norcross, GA.

John Isner (USA) leaves a trail of tennis ball fuzz after a forehand winner against Yen-Hsun Lu (TPE) during their quarterfinal match. John Isner defeated Yen-Hsun Lu in straight sets 6-1, 6-2 in Quarterfinal Action on Friday in the Atlanta Tennis Championships at the Racquet Club of the South in Norcross, GA.

Yen-Hsun Lu (TPE) reaches out for a forehand against John Isner (USA) during their quarterfinal match. John Isner defeated Yen-Hsun Lu in straight sets 6-1, 6-2 in Quarterfinal Action on Friday in the Atlanta Tennis Championships at the Racquet Club of the South in Norcross, GA.