Tennis star Bernard Tomic caused a sensation by asking an umpire to throw his dad out of one of his matches.
The Aussie number one - currently ranked 36th in the world - was up against one of the finest players on the planet as he took on world number five David Ferrer at the Miami Masters.
But the quality of Tomic's opponent didn't stop his father, John, yelling out to criticise his offspring whenever the 19-year-old made a mistake.
And the barrage of criticism all got a bit too much for Tomic as he lost the opening set and was struggling in the second:
"He's annoying me," Tomic told umpire Cedric Mourier.
"I know he's my father, but he's annoying me. I want him to leave, but how is that possible?"
Mourier clearly sympathised - he had already had to warn Tomic Sr for 'coaching' after he had called out tips - but reasoned with the player that it might be better if Tomic himself asked him to leave the stands:
"And if you tell him to leave, what's going to happen?" Mourier said.
"It's not going to happen," Tomic said. "If you see him (coaching), tell him to be quiet."
Mourier didn't even wait for that: he immediately issued a further warning, eliciting a heartfelt "thank you" from the player and successfully ensuring that John Tomic kept his own counsel for the remainder of his son's 6-4 6-4 defeat.