Judd Trump exited the Scottish Open after losing 5-4 on a re-spotted back to Thailand’s Thepchaiya Un-Nooh.
Un-Nooh, the world number 57, missed a black to win the match and Trump levelled on points in the decider.
But the 2019 world champion missed a long-range pot on the re-spotted black, allowing Un-Nooh to secure a semi-final spot.
“I’m so happy, I’ve never beaten Judd before,” said Un-Nooh.
Trump reached the quarter-finals having pocketed a maximum 147 break earlier in the tournament at Edinburgh’s Meadowbank Sports Centre.
And the world number three impressed with breaks of 104, 102, 86, 61, 53 and 52 against Un-Nooh.
But his opponent, who almost lost his professional tour card last season, dug deep and forced a decider with a century break of 104.
Victory will see Un-Nooh face either Kyren Wilson, a…