Yahoo Sports on Twitter: "Serena Williams loses to Roberta Vinci in the semifinals of the #USOpen. http://t.co/bOVy6T4nPG" / Twitter
![Serena Williams Loses Grand Slam Bid to Roberta Vinci: Photo 3458087 | 2015 U.S. Open, Roberta Vinci, Serena Williams Pictures | Just Jared Serena Williams Loses Grand Slam Bid to Roberta Vinci: Photo 3458087 | 2015 U.S. Open, Roberta Vinci, Serena Williams Pictures | Just Jared](https://cdn.justjared.com/wp-content/uploads/2015/09/williams-loses/serena-williams-loses-grand-slam-bid-to-roberta-vinci-01.jpg)
Serena Williams Loses Grand Slam Bid to Roberta Vinci: Photo 3458087 | 2015 U.S. Open, Roberta Vinci, Serena Williams Pictures | Just Jared
Roberta Vinci was so certain she would lose to Serena Williams she booked a flight home for the day of the final | Business Insider India
![Auckland, New Zealand. 10th Jan, 2015. Brenda Perry, Karl Budge and WTA supervisor Laura Ceccarelli with Italian doubles players Sara Errani and Roberta Vinci (R) as they celebrate their doubles final win Auckland, New Zealand. 10th Jan, 2015. Brenda Perry, Karl Budge and WTA supervisor Laura Ceccarelli with Italian doubles players Sara Errani and Roberta Vinci (R) as they celebrate their doubles final win](https://c8.alamy.com/comp/EDW8FG/auckland-new-zealand-10th-jan-2015-brenda-perry-karl-budge-and-wta-EDW8FG.jpg)