Billiard legend Ronnie O'Sullivan is wildly embarrassed during the third round match of the Northern Ireland Open against Matthew Stevens.

Before one of the Englishman's blows, an unpleasant sound was heard in the hall. A smile appeared on O'Sullivan's face, after which he asked the judge: \?

Interestingly, after this episode, the billiard player was unable to send the ball into the pocket.

After the match, the Englishman admitted that he made an unpleasant sound, saying that recently he had stomach problems.

O'Sullivan holds numerous records in billiards.

He is considered by many experts to be the greatest representative of his sport..