Wimbledon champion withdrew from US Open doubles to save her stiff shoulder for singles quarterfinal vs. Madison Keys.
The Pole is sad about losing her US Open title defense and the No.1 ranking, but believes she'll be back.
The Romanian is the oldest woman to ever reach her first US Open quarterfinal.
"Every match I played here, I played a little bit better each time. A lot of positives I can bring with me," Caroline Wozniacki said.
The squirrel ran onto court forcing the umpire to call a let during US Open doubles.
ATP and WTA officials will meet next month to discuss possible merger to counter growing Saudi Arabia influence.
Aryna Sabalenka crushed Clara Burel to reach a personal milestone at the US Open.
