US Open organisers have expressed regret at the warning given to Alize Cornet for changing her top on court at Flushing Meadows on Tuesday.The Frenchwoman returned from the 10-minute heat break between the second and third sets during her first-round clash with Johanna Larsson of Sweden and realised she had her top on back to front.Cornet quickly switched the top around standing behind the baseline and was astonished to be given a code violation by the umpire.The decision caused a stir on social media, with criticism from the likes of Judy Murray and Billie Jean King, and tournament organisers have now said Cornet should not have received a warning and will not face a fine.A statement read: “All players can change their shirts when sitting in the player chair. This is not considered a code violation.“We regret that a code violation was assessed to Ms Cornet yesterday. We have clarified the policy to ensure this will not happen moving forward. Fortunately, she was only assessed a warning with no further penalty or fine.“Female players, if they choose, may also change their shirts in a more private location close to the court, when available. They will not be assessed a bathroom break in this circumstance.”It was a decision from the chair umpire that was met with shock from tennis fans all over the world.

Many took to Twitter to vent their frustration at the decision, comparing it to how men get away with taking their tops off during changeovers.

The likes of Rafael Nadal and Novak Djokovic are regularly shown taking their tops off during breaks in the game, and nothing is done about it.

However, when Cornet quickly removed her shirt on-court, the chair umpire deemed it a code violation, and penalised her.

This eventually sparked sexism rows within the tennis circle, so it's not surprise the US Open have moved quickly to release a statement.