WASHINGTON, Feb. 15 (Xinhua) -- Top seed John Isner of the United States advanced to the semifinals of the New York Open after beating No. 7 seed Jordan Thompson of Australia 6-4, 6-1 on Friday.

The 33-year-old Isner will in semifinals take on fellow American Reilly Opelka, a 6-3, 6-4 winner over Spain's Guillermo Garcia-Lopez in another quarterfinal.

Opelka upset the ninth-ranked Isner in four sets in this season's Australian Open in January.

The other semifinal will be No. 6 Sam Querrey of the United States against Canadian Brayden Schnur. In quarterfinals, Querrey defeated Jason Jung of Chinese Taipei 6-3, 3-6, 6-3 while Schnur edged past Paolo Lorenzi of Italy 6-7(7), 7-6(5), 7-5.