Caroline Wozniacki was left furious with officials at the French Open following her third-round defeat to Kaia Kanepi on Saturday.
The world number nine was on the wrong end of a number of calls during her three-set defeat to the Estonian at Roland Garros.
The Dane was particularly angry with one decision during the second set.
"It's a disgrace that mistakes like this are made," she told reporters. "It wasn't even like, 'Could have been in, could have been out.' It was clearly out."
The former world number one is still yet to win a Grand Slam.
