US Open 2015: Serena Williams beaten by Roberta Vinci in US Open Semifinal

Roberta Vinci ended Serena Williams’s dream of a calendar grand slam with a shock 2-6, 6-4, 6-4 victory to set up an all-Italian US Open Final

World No43 Vinci ended Serena William’s hopes of a calendar grand slam on Friday. Photograph: Mike Segar/Reuters