O'Sullivan Loses 6-4 to Zhou in UK Championship First Round

Ronnie O'Sullivan, the seven-time world snooker champion widely considered the sport's greatest player, suffered a surprise first-round defeat at the UK Championship in York on Tuesday, losing 6-4 to China's Zhou Yuelong. The 49-year-old Englishman, who turns 50 on Friday, had won all seven previous encounters with the 27-year-old world number 29 but could not overcome a series of uncharacteristic errors in his first match on British soil since May's World Championship.

The match at the Barbican Centre began with Zhou taking an early 2-0 lead in scrappy frames, capitalizing on O'Sullivan's missed opportunities. O'Sullivan responded strongly after the interval, leveling at 2-2 with breaks of 71 and 123. He continued his scoring with a 62 in the fifth frame, but Zhou stole it on the black to lead 3-2. O'Sullivan equalized again at 3-3 via a 94 break, yet Zhou snatched the seventh frame similarly and extended his advantage to 5-3 with a 125 break, his highest of the contest.

In the ninth frame, O'Sullivan narrowed the gap to 5-4 with a 65, leaving Zhou needing a snooker that the Chinese player escaped to win it. The decider saw O'Sullivan build a 58-46 lead, but a missed yellow...