Ronnie O'Sullivan loses to Martin Gould in English Open last 32
World number one Ronnie O'Sullivan was beaten 4-1 by fellow Englishman Martin Gould in the English Open last 32.
O'Sullivan, 47, is yet to win a ranking title this season.
World number 43 Gould, 41, beat the seven-time world champion for the first time before losing 4-1 to Ashley Hugill in the round of 16.
Hugill advanced to the quarter-final of a ranking event for the first time and will face Mark Allen in the last eight on Friday.
Northern Ireland's Allen advanced with a 4-1 win against John Astley.
ree-time world champion Mark Williams beat Barry Hawkins 4-2 to set up a quarter-final against Neil Robertson, who downed Ryan Day 4-2.
Judd Trump - champion in 2020 - beat Thepchaiya Un-Nooh 4-2 and will face Luca Brecel next after the Belgian beat Jamie Jones 4-2.
Last year's runner-up John Higgins lost 4-2 to Ali Carter, who will play Mark Selby.
Four-time World champion Selby took the final two frames to overcome another former world champion in Shaun Murphy, 4-3.
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