6m - Tennis Serena Williams Roberta Vinci+1 more
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Top-seeded Serena Williams' quest for the calendar Grand Slam ended after she lost to Roberta Vinci in three sets (2-6, 6-4, 6-4).
- ESPN.com
It was arguably the biggest upset in tennis history: Serena Williams, going for the calendar Slam, was ousted in the US Open semifinals on Friday by Italy's Roberta Vinci, 2-6, 6-4, 6-4.