A double fault has proved costly for Alex de Minaur with the Australian star blowing a match point before falling to Briton Cameron Norrie at the Montreal Masters.
Third-seeded De Minaur was up 5-2 and 40-30 in the second set, but stumbled to allow Norrie back into their third-round match.
He had another chance when serving for the match at 5-4, but again double-faulted to surrender the game on Norrie's fourth break point.
