Welsh Open: World Champion Mark Williams beaten by Zhang Anda
World Champion Mark Williams is out of the Welsh Open after losing 4-2 to Zhang Anda in the second round.
Williams' compatriot Duane Jones beat current Masters champion Judd Trump 4-2 to progress.
Ronnie O'Sullivan and Mark Selby are also through. O'Sullivan came from behind to beat Yuan Sijan 4-2, while Selby beat Adam Duffy 4-0.
Ding Junhui beat Oliver Lines 4-3, while Jack Lisowski caused an upset with a 4-3 victory over Marco Fu.
There were second-round exits for two former world champions, Shaun Murphy and Ken Doherty.
Murphy lost 4-2 to James Cahill and Doherty 4-1 to Sam Craigie.
Jimmy White is also out having lost 4-1 to Michael Georgiou.