Watch U.S. Open Women’s Singles Final Online (Live Stream)

The U.S. Open women’s singles final will feature some unexpected names Saturday.

Many already had penciled Serena Williams into the finals at Flushing Meadows, but Italian Roberta Vinci put an end to that Friday with a shocking upset in the semifinals. Vinci’s win set up a showdown against her compatriot, Flavia Pennetta, who surprised world No. 2 Simona Halep in the other semifinal.

Coverage of Saturday’s women’s final begins at 3 p.m. ET, and fans can watch a live stream of the event via WatchESPN by clicking the photo below.

Photo via Jerry Lai/USA TODAY Sports Images