NEW YORK (AP) -- Serena Williams knocked out of U.S. Open with 6-2, 7-6 (5) semifinal loss to Karolina Pliskova.
BREAKING: Serena Williams knocked out of U.S. Open with 6-2, 7-6 (5) semifinal loss to Karolina Pliskova.
— The Associated Press (@AP) September 9, 2016