Mark Allen loses to Thepchaiya Un-Nooh in Daqing
Northern Ireland's Mark Allen lost 6-5 to Thailand's Thepchaiya Un-Nooh in the quarter-finals of the International Championship in Daqing, China.
World number nine Allen had a break of 118 to take the match to a deciding frame but Un-Nooh, ranked 38 places below Antrim's Allen, took it 67-9 to set up a semi-final with England's Dave Gilbert.
World number one Mark Selby also advanced with a 6-4 win over Neil Robertson and will face John Higgins after the Scot beat Joe Perry 6-3.
Gilbert pinched the 11th and deciding frame by 71-69 to secure a 6-5 victory over Marco Fu and a first ranking tournament semi-final place.