Skip to contentSwipe for next articleIndependent Bulletin homepageDownload our appAllNewsSportCultureLifestyleWant to bookmark your favourite articles and stories to read or reference later? Start your Independent Membership today.Join todayAlready a member? Log inSam BrookesMonday 19 October 2026 18:36 BSTO'Sullivan is out of the Northern Ireland Open (PA)Ronnie O’Sullivan suffered one of the most humiliating defeats of his glittering career when he was beaten by a player ranked outside the world’s top 100 on Monday.O’Sullivan took on Hong Kong qualifier Cheung Ka Wai, who is currently the World No 110, in the opening round of the Northern Ireland Open.O’Sullivan, 50, was playing his first match in the UK since he was knocked out in the second round of the World Championship by John Higgins back in April.The seven-time world champion seemed on course for a routine win as he moved 3-1 ahead, but his opponent fought back to force a deciding frame.It was then Cheung, who only joined the tour in 2024, who held his nerve to record a memorable 4-3 win as O’Sullivan crashed out of the tournament.More bulletinsThank you for registeringPlease refresh the page or navigate to another page on the site to be automatically logged inPlease refresh your browser to be logged in