NEW YORK (AP) - Italy's Sara Errani and Roberta Vinci easily won their doubles semifinal match at the U.S. Open a day after facing each other in a singles quarterfinal.

The second-seeded French Open champs beat Nuria Llagostera Vives and Maria Jose Martinez Sanchez of Spain 6-3, 6-2 on Thursday. Errani defeated Vinci 6-2, 6-4 on Wednesday to become the first Italian woman to reach a semi at this tournament since the Open era began in 1968.

Errani, this year's French Open runner-up, faces Serena Williams on Friday. The women's doubles final is Sunday.

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