Mark Allen's hopes of winning three straight Haikou World Open titles were ended by Shaun Murphy on Saturday.
Mark Selby will face Marco Fu in the semi-finals of the Haikou World Open after easing to victory over Alan McManus.
Marco Fu toppled world number one Neil Robertson on a re-spotted black in the deciding frame of their Haikou World Open clash.
Neil Robertson moved closer to reacing a century of centuries in a single season with a 5-1 victory over Rory McLeod.
Ding Junhui has started strongly at the Haikou World Open as he bids to win a record-equalling fifth ranking title of the season.
Mark Allen's bid to win the Haikou World Open for the third year in a row got off to a strong start on Monday.
Ronnie O'Sullivan fired in a 147 break to complete a 9-3 victory over Ding Junhui in the final of the Welsh Open.
Stephen Lee has lost the first stage of an appeal as he challenges his 12-year ban from snooker.