Kyren Wilson has set up a quarter final against O'Sullivan by beating Ben Woollaston 6-3.
Elsewhere Anthony McGill prevailed 6-3 over Jordan Brown and Zhao Xintong continued his progress by overcoming Peter Lines 6-4.
Amusement this afternoon with the BBC forced to accept Luca Brecel and Jack Lisowski as the starry competitors for once (Hawkins-Selt and Gilbert-Hicks another seldom-seen line-up this evening too).
I wonder what the professional snooker commentators think about " amateur " Shaun Murphy nicking their job.
In the afternoon Luca Brecel trounced Anthony Hamilton 6-1.
Jack Lisowski fended off Hossein Vafaei 6-4.
In the evening veteran campaigner Andy Hicks saw off David Gilbert in a final frame decider while Barry Hawkins recovered from 3-1 down to beat Matt Selt 6-3.
Kyren beat Ronnie in a decider, and will play Brecel next.
Lisowski is the latest victim of Zhao Xintong, and Barry Hawkins has a good chance of being his next target.
Ronnie O'Sullivan crashed to a 6-5 defeat against Kyren Wilson.
Luca Brecel cruised past Anthony McGill 6-2.
Zhao Xintong walloped Jack Lisowski 6-2.
Barry Hawkins saw off Andy Hicks 6-1.
Semi finals:
Kyren Wilson v Luca Brecel
Barry Hawkins v Zhao Xintong
I wonder what pre tournament odds you would have got on that semi final line up.
Belgian bullet Luca Brecel has produced a superb performance to beat Kyren Wilson 6-4 and claim a final place.
Four centuries. Brilliant.
Zhao Xintong dispatched Barry Hawkins 6-1 to set up an intriguing Belgium v China final.