Top seed Isner reaches quarters in Newport

NEWPORT, Rhode Island: Top seeded John Isner won through to the quarter-finals of the $500,000 Hall of Fame Championships by beating France's Arnaud Clement in straight sets.

Isner took the second round match 7-6 (7/4), 6-4 by winning 80 percent of his first serve points at the grass court ATP tournament on Wednesday.

The 6ft 9in, 26-year-old Isner also used his booming serve to hammer 11 aces.

Isner seized control when he broke Clement in the seventh game of the second set to take a 4-3 lead after the Frenchman double-faulted on the final point.

Isner will next face American compatriot Alex Bogomolov in the semi-finals.

In other second round matches Wednesday, wild card Denis Kudla upset second-seeded Grigor Dimitrov, 6-1, 6-4; and No. 8 seed Tobias Kamke beat Donald Young 7-6 (3), 6-4.

Sixth-seeded Olivier Rochus got past Nicolas Mahut 6-4, 7-6 (7/3), Matthew Ebden beat Matthias Bachinger 2-6, 6-4, 6-4; Edouard Roger-Vasselin defeated Jimmy Wang 7-5, 6-4; and Michael Yani advanced when Germany star Tommy Haas retired with a lower back injury behind 2-5 in the first.