Top seed Cilic ousted at U.S. Indoor

Feb. 22, 2013 at 11:59 PM

MEMPHIS, Feb. 22 (UPI) -- No. 1 seed Marin Cilic fell in the quarterfinals Friday and Feliciano Lopez ended the run of Jack Sock at the U.S. National Indoor Tennis Championships.

Kei Nishikori, seeded fifth, ousted Cilic 6-4, 6-2 and will now meet Marinko Matosevic in the semifinals.

Matosevic fought off No. 7 seed Alexandr Dolgopolov 6-7 (6-8), 6-2, 6-4.

Lopez defeated Sock 6-4, 6-3 to close out what had been a big week for the 20-year-old American.

Sock had played in only one ATP match this year and lost that one before defeating No. 2 seed Milos Raonic and James Blake in this event. Sock had an unbeaten, 80-match career as a high school player in Kansas and should make a big move up the world rankings next week from his current position of No. 168.

Denis Istomin defeated Michael Russell in the last of the quarterfinal matches 6-4, 7-6 (7-5).

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