“You’re wrong,” insisted Gauff. “It’s the second time that happened. You should be ashamed. It’s a Grand Slam semi-final, know the rules of the game.”

Coco Gauff wants tennis to introduce a Video Review (VR) system following a controversial call during her French Open semi-final defeat to Iga Swiatek; you can watch Andy Murray in action at the Stuttgart Open, exclusively live on Sky Sports Tennis from June 10-16

Swiatek said there would be other challenges associated with replays. “Honestly, I don’t know how it would look logistically,” the world No 1 said.

“When can you ask an umpire to call a video replay or when is it up to her to do that. Because I think the umpire today was pretty sure with her call.

“So I don’t know how that would look like.”