NEW YORK — The Women’s Tennis Association is calling for equal treatment of all tennis players and coaching to be allowed across the sport in the aftermath of the U.S. Open women’s final.

Serena Williams was given three code violations by chair umpire Carlos Ramos in her 6-2, 6-4 loss to Naomi Osaka on Saturday, and critics inside and outside of tennis argued that she was not treated the same as some male players.

The head of the women’s pro tour agreed.

“The WTA believes that there should be no difference in the standards of tolerance provided to the emotions expressed by men vs. women and is committed to working with the sport to ensure that all players are treated the same. We do not believe that this was done last night,” CEO Steve Simon said Sunday in a statement.

The first violation given to Williams was for coaching, which isn’t allowed during men’s matches but is permitted on the women’s tour except in Grand Slam tournaments.

Though Williams said she follows the rules and never receives coaching during a match, her coach, Patrick Mouratoglou, acknowledged that he does it and says it’s well known throughout the sport that all coaches do.

“We also think the issue of coaching needs to be addressed and should be allowed across the sport,” Simon said. “The WTA supports coaching through its on-court coaching rule, but further review is needed.”

Williams was fined a total of $17,000 on Sunday for three code violations during Saturday’s match. The tournament referee’s office docked Williams $4,000 for being warned for coaching, $3,000 for breaking her racket, and $10,000 for verbal abuse of chair umpire Carlos Ramos. That third violation resulted in a game penalty.

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