RONNIE O'SULLIVAN left commentators in shock as he raged after missing a simple shot.
The Rocket is playing at the World Open this week in Yushan, China.
O'Sullivan, 48, came through his first round clash against Michael White with a 5-3 victory.
But the win did not come without the legend losing his temper as he tried to close out the match at 4-3.
O'Sullivan stepped up to the table looking to put a red into the far corner.
But he made a poor error as the ball hit the cushion instead of falling into the pocket.
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The eight-time Masters champion stuck his tongue out in frustration and grimaced.
He then bashed his cue against the side of the table.
Eurosport commentators were left in shock as they said: "It's been a few of those mid-range shots. He's absolutely fuming. Crikey.
"He could have taken the lump out of his cue."
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O'Sullivan faces Lyu Haotian in the next round.
Rivals Luca Brecel and Judd Trump also won but John Higgins suffered defeat against Jackson Page.
The winner of the tournament being hosted at the huge Yushan Sports Centre takes home a whopping £170,000.