Roberta Vinci will move on to the U.S. Open finals after defeating Serena Willaims 26-64-64 in a shocking upset.
Vinci’s odds of winning were estimated to be 1 in 300, according to SI.com.
Vinci’s victory ends Williams’ 33-match winning streak at the Grand Slams. Williams had a shot at becoming the first player to collect all four Grand Slam titles in a single season since Steffi Graf in 1988, the Associated Press reports.
Vinci is now the lowest-ranked U.S. Open finalist since Williams’ sister, Venus, in 1997. Serena beat Venus is a match earlier this week.
“Today is my day,” Vinci said in a post-game interview.
“She played literally out of her mind,” Williams said after the match.
Moments from the game are already making the rounds on social media
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Write to Nolan Feeney at nolan.feeney@time.com