May 21, 2015

GENEVA (AP) U.S. Open champion Marin Cilic lost in the Geneva Open quarterfinals on Thursday, beaten 7-5, 6-3 by Santiago Giraldo of Colombia.

Cilic, who has been troubled by a shoulder injury this year, has advanced to only one tournament semifinal since winning his first Grand Slam title last September.

The second-seeded Croatian had nine aces on the clay-court surface but failed to create a break-point chance against the 67th-ranked Giraldo.

Giraldo will play Thomaz Bellucci of Brazil or Albert Ramos-Vinalos of Spain in an all-unseeded semifinal.

Top-seeded Stan Wawrinka of Switzerland was set to play Federico Delbonis of Australia in the final match on court Thursday.

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