Record eight-times Masters champion Ronnie O'Sullivan has withdrawn from this year's tournament on medical grounds, organisers said on Friday.

Defending champion Ronnie O'Sullivan has withdrawn from the Masters on medical grounds. O'Sullivan, 49, was aiming to win a record-extending ninth title, and had been set to face John Higgins in a blockbuster opening to the tournament at Alexandra Palace on Sunday.

Ronnie O'Sullivan has withdrawn from The Masters because of medical reasons. The defending champion had been due to face John Higgins on Sunday afternoon, but now won't compete at the event in London. Neil Robertson has been named as The Rocket's replacement and will feature in the tournament's opening match against Higgins.

The seven-time world champion has made a last-minute decision to pull out of this year's Masters, a day after whacking his cue on the table in frustration during a defeat to Rob Milkins.

Ronnie O’Sullivan has withdrawn from the upcoming Masters tournament at Alexandra Palace at short notice “on medical grounds”. O’Sullivan was the defending Masters champion after beating Ali Carter in the final last year and was due to face long-time rival John Higgins in the opening match of the tournament on Sunday afternoon but has pulled out just 48 hours beforehand.

REIGNING CHAMPION RONNIE O’Sullivan has withdrawn from the upcoming Masters on medical grounds. The world No 3, who has won the competition eight times, was due to face John Higgins in the opening match on Sunday afternoon.

Masters has been dealt a huge blow with defending champion Ronnie O'Sullivan withdrawing from the tournament. The World Snooker Tour confirmed O'Sullivan's withdrawal on Friday morning, announcing Neil Roberston would be replacing him.

Ronnie O’Sullivan has withdrawn from the Masters and will not defend his title at Alexandra Palace this month. World Snooker Tour confirmed on Friday morning that the Rocket has withdrawn ‘on medical grounds’ and will be replaced in the draw by Neil Robertson.