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Ronnie O’Sullivan is retired of nan English Open aft a daze 4-2 first-round conclusion by China's He Guoqiang successful Brentwood.
He, 24, raced into a 3-0 lead against nan seven-time world champion, pinch breaks of 78 and 77.
Breaks of 56 and 59 brought O'Sullivan backmost into nan contest, but China's He won nan sixth framework pinch a composed 50 break to complete a memorable victory.
He will play Stephen Maguire successful nan 2nd information aft nan Scotsman hit Hungary's Bulcsu Revesz 4-0.
Northern Ireland's Mark Allen survived a scare to separator past world number 71 Long Zehuang of China 4-3.
The world number 3 went 2-0 up but past did not cookware a shot for 3 frames arsenic Long turned nan lucifer astir to lead 3-2.
Allen past had a touch of luck successful sixth framework erstwhile he fluked a reddish that group up a snooker from which Zehuang ne'er recovered.
Having regained nan momentum Allen was capable to adjacent retired nan decider to group up a 2nd information gathering pinch Lyu Haotian, who who hit Dominic Dale 4-2.
There were a number of different shocks including three-time world champion Mark Williams losing 4-1 Ben Woollaston.
World number 10 Gary Wilson mislaid 4-3 to Ross Muir and world number 14 Tom Ford was beaten 4-2 by China's Jiang Jun
Elsewhere, Barry Hawkins recovered from 2-0 down to hit Jimmy Robertson 4-2, while Neil Robertson eased past Jackson Page 4-1.
Matthew Selt is besides done by beating Ricky Walden 4-3 and Jamie Jones thrashed Zhou Yuelong 4-0.
John Higgins, nan four-time world champion, is besides done aft a apical break of 97 helped him hit Andrew Higginson 4-1.