Glasgow 2014: Nick Matthew to face Peter Barker in semi-finals
Defending champion Nick Matthew set up an all-English Commonwealth Games semi-final by beating Chris Simpson.
The top seed, from Sheffield, won 11-7 11-8 11-9 against seventh seed Simpson, 27, from Guernsey.
Matthew, 34, who won double gold at Delhi 2010, will meet compatriot Peter Barker in the last four on Sunday.
Thirty-year-old Barker, the third seed from Upminster, beat Australian fifth seed Cameron Pilley 11-8 11-4 11-5 to set up a repeat of the 2010 semi-final.
|Nick Matthew (Eng) v Peter Barker (Eng)||James Willstrop (Eng) v Campbell Grayson (NZ)|
"He'll see this as his moment," said Matthew. "If I give him an inch he'll take a yard."
Delhi 2010 bronze medallist Barker said: "We both know what each other is all about and the winner will be whoever performs better tomorrow."
A third Englishman, second seed James Willstrop, is also in the last four after he dismissed the unseeded Ivan Yuen of Malaysia 11-1 11-7 11-3.
The Pontefract player, 30, will play Campbell Grayson after the 28-year-old New Zealander overcame India's Saurav Ghosal 11-8 11-7 6-11 8-11 6-11.
In the women's singles, England's Laura Massaro overwhelmed fifth seed Wee Wern Low of Malaysia 3-0.
The second seed from Great Yarmouth, 30, won 11-3 11-2 11-5 and will meet England team-mate Alison Waters in the semi-finals.
|Nicol David (Mas) v Joelle King (NZ)||Laura Massaro (Eng) v Alison Waters (Eng)|
The 30-year-old fourth seed from London beat sixth seed Dipika Pallikal of India 8-11 11-2 11-9 11-6.
However, the third member of the English team, eighth seed Jenny Duncalf, lost 3-1 to world number one and reigning champion Nicol David.
The 31-year-old from Harrogate, was beaten 11-9 11-7 5-11 11-4 by the 30-year-old Malaysian top seed.
Northern Ireland's Madeline Perry also fell in the last eight, the seventh seed losing to New Zealand's third seed Joelle King 11-6 11-4 11-6.