Roberta Vinci upsets Serena Williams in U.S. Open semifinals

US Open 2015 semifinals live blog: Live analysis and updates on the Serena Williams vs Roberta Vinci semifinals match from New York.

Jamie Lisanti|

NEW YORK – Roberta Vinci upset No. 1 Serena Williams in three sets in the U.S. Open women’s semifinals on Friday, ending Williams's hopes of completing the calendar Grand Slam. Vinci, who is unseeded, won Friday’s match 2–6, 6–4, 6–4 over Williams, who has won the last three U.S. Opens. Entering Friday, Williams had never dropped a set against Vinci.

Point-by-point analysis and updates:

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Published Sep 11, 2015 | Modified Sep 11, 2015

JAMIE LISANTI

Jamie Lisanti is the Managing Editor, Features and Special Projects at Sports Illustrated. She started her career as an SI reporter in 2014 and since then, her work has spanned tennis, college basketball, Olympics, women's sports and more. She leads SI’s editorial franchises and tentpole event coverage, including Sportsperson of the Year, Digital Covers, Sports & Style and The Power List. A former college soccer player, she is also a graduate of the Columbia University Graduate School of Journalism.

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