Sudden death Thornton through
Robert Thornton won a dramatic sudden-death clash against Paul Nicholson to reach the last 16 of the PDC World Darts Championship on Friday night, while Terry Jenkins also progressed.
Thornton came from behind to lead 3-2 but Nicholson fought back to take the clash into a seventh and deciding set.
Thornton hit a 130 check-out with a bull as the match went into sudden death - the first to do so in this year's tournament - and the Scot prevailed with a double 10.
The Scottish world No 17 said: "I'm completely shattered after that but I'm just glad to have got the win, after I very nearly threw it away. I felt absolutely sick after missing all those chances to win 4-2 and it was a tough blow to overcome. But I managed to do it and to be still involved is a great feeling."
Thornton will face number one seed Phil Taylor in the last 16 after the 15-time former champion saw off unseeded Dutchman Jerry Hendriks 4-1.
Taylor started poorly and lost the first set 3-1, but he bounced back to win the next 12 legs in succession as Hendriks completely lost his way.
Meanwhile, number nine seed Jenkins will meet last year's runner-up Andy Hamilton following a 4-1 demolition of former world champion John Part.
In-form Jenkins won the first five legs before Part finally opened his account.
But Jenkins immediately responded, hitting a 180 as he won the next leg to go two sets up and he notched an 11-dart finish to establish a commanding three-set lead.
Part took the fourth set 3-0 to avoid the whitewash but he then missed several chances to break in the third leg of the fifth set and Jenkins punished his rival to progress through to face Hamilton.