Vasek Pospisil explodes at ATP Chairman Andrea Gaudenzi at Miami Open

Vasek Pospisil appears to be gunning for Nick Kyrgios’ title as the baddest man in tennis after calling the ATP boss a “f***ing asshole” during his first-round loss at the Miami Open on Thursday.

Canadian hothead Pospisil went ballistic, during his match against American Mackenzie McDonald, after losing the first set on a penalty point for verbal abuse.

The 30-year-old had already destroyed two racquets and then took chair umpire Arnaud Gabas to task with a foul-mouthed rant at the changeover.

Former world No.25 Pospisil appeared to make references to a players meeting the day before which involved ATP Chairman Andrea Gaudenzi.

“An hour-and-a-half yesterday, the chair of ATP f***ing screaming at me in a player meeting for trying to unite the players,” Pospisil said.

“For an hour-and-a-half, the leader of the ATP. Get him out here… f***ing asshole.”

Gabas told Pospisil to leave the incident “outside the court” after warning him “that’s enough”.

“What’s happening with you?” Gabas added.

But Pospisil retorted: “If you want to default me, I’ll gladly sue this organisation.”

He rallied to win the second set but McDonald ultimately prevailed 3-6, 6-4, 3-6.

World No. 1 Novak Djokovic and Pospisil launched the Professional Tennis Players Association last year which has been at loggerheads with the ATP over issues in the game.

“Tennis needs major change,” Pospisil said last year.

“It wasn’t until I was in my mid-20s until I opened my eyes to how many issues there were in tennis.

“I felt like, ‘Why aren’t we able to change anything as players. We have so much leverage if we actually decided to get organised and use it, because without the players there is no tennis tour’.”