Frost eased through his first two matches against Matthew Dennant and Sean Ryan before edging past Trevor Burkhill 5 - 4 to reach the last 16 .
Frost reached the quarter - finals of the last Challenge Tour event held a week ago at the Rivermead Centre .
Frost , who reached the quarter - finals of the last Challenge Tour event held a week ago at the Rivermead Centre , eased through his first two matches against Matthew Dennant and Sean Ryan before edging past Trevor Burkhill 5 - 4 to reach the last 16 .