Two-time former champion Ding Junhui of China crashed out of the UK Championship after losing 6-5 to 18-year-old James Cahill in the early hours of Wednesday morning.
Cahill, the world number 100, cruised into a 5-1 lead in the third-round match at York's Barbican Centre, only for Ding to fight back and take the contest to a deciding frame.
The world number three, UK champion in 2005 and 2009, had chances to complete an improbable comeback, but a mistake enabled Cahill to pounce and book a spot in the last 16.
Ronnie O'Sullivan had earlier taken his place in the next round, overcoming the discomfort of a broken ankle -- sustained while jogging -- to beat Ben Woollaston 6-2.
Asked about the condition of his ankle, which had caused him severe discomfort in his first two matches, O'Sullivan told the BBC: "It's great.
"I couldn't use it as an excuse today. Yeah, the first two matches I struggled, but today (Tuesday) I feel like I'm walking fine. I've new shoes.
"The others, I kept looking at them and thought they were horrible, but these are quite trendy."
Defending champion Neil Robertson of Australia overcame Peter Ebdon 6-2.
Source: AFP
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