Summary Leading 9-7 from the previous session, Walden won a scrappy opening frame and then made it 11-7.
LONDON (AFP) - England s Ricky Walden moved to within five frames of his first World Championship final after stretching his lead over Barry Hawkins to 12-8 in their semi-final on Saturday.
Leading 9-7 from the previous session, Walden won a scrappy opening frame and then made it 11-7 after Hawkins saw a break of 62 came to an end when the cue ball took an unfortunate bounce off a side cushion and forced him to play safe.
A break of 114 from Hawkins allowed him to reduce the deficit, but Walden claimed the final frame of the session with a break of 78 to take another step towards the final at the Crucible in the northern English city of Sheffield.
Defending champion Ronnie O Sullivan was due to resume his semi-final with Judd Trump later on Saturday.
The four-time world champion led 14-10 after Friday s evening session, but he was reprimanded by referee Michaela Tabb after reacting to a poor shot in the day s penultimate frame with what appeared to be a lewd gesture.
O Sullivan, who has returned to the sport after a year-long absence, said he had not intended to cause offence and was merely cleaning his cue.
