US Open Spotlight: Roberta Vinci defeats Serena (2015)

It was one of the most unthinkable upsets in US Open history in 2015 when Roberta Vinci defeated Serena Williams for a spot in the final. Happy Birthday to our 2015 finalist! 🎾 SUBSCRIBE to The US Open Tennis YouTube Channel: ✓ LIKE US Open on Facebook: ✓ JOIN the US Open Conversation on Twitter: ✓ FOLLOW US Open on Instagram: ✓ ADD US Open on Snapchat: ‘usopentennis’ DOWNLOAD t