Murray raged at the umpire in between points, and told Fognini to “shut up”, after his opponent allegedly distracted him during the match.
Murray was knocked out of the tournament by 10th seed Fogniniin a match-deciding tie break (7-6, 6-2, 7-6).
But the match was fraught with controversy, with Murray claiming that Fognini was shouting at the Brit when he was about to strike a volley.
Mate, you do the same in every match. It doesn’t matter who you’re playing
Murray also suggested that the Italian is known for the dark arts tactic, in a bid to try and put his opponents off.
When the Brit looked quizzically at Fognini after the point, he was told to stop looking at him.
During a break in play, the pair clashed will retreating to their respective chairs.
“You say the same to everyone,” Murray raged at the start of the confrontation.
Andy Murray: Brit has argument with Fabio Fognini after losing in the Shanghai Masters(Image: GETTY Images)
“Mate, you do the same in every match. It doesn’t matter who you’re playing.”
Murray then turned to the umpire to tell his side of the story.
“So what happened… When I had a volley on top of the net, he shouts…”, but the Brit was interrupted by his rival.
“[To Fognini] Shut up. [To umpire] I had a volley on top of the net. He shouts, and then tells me ‘don’t look at me’.
“I’m like ‘you just shouted in the middle of the point’.”
Andy Murray: The Brit lost in three sets to Fognini(Image: GETTY Images)
Andy Murray: Fognini will now move into the Round of 16 after beating Murray(Image: GETTY Images)
Murray then trusted the umpire to reprimand Fognini, but the exchange appeared to fire him up even more.
The Italian broke Murray once again to force a third set tie break, which he eventually won 7-2.
Fognini will now take on either Taylor Fritz or Karen Khachanov in the Round of 16.
Meanwhile, Murray continues to rekindle his old form, and is still making good progress after coming back from his debilitating back injury.