Glentoran and Linfield will both be in tomorrow morning's draw for the CIS Insurance Cup semi-finals.
The current holders and the 2005 winners, both progressed from potentially tricky quarter-final ties last night to throw up the possibility of a 'Big Two' meeting in the last four.
Michael Halliday had been a doubtful starter for the Glens, but he put any worries about a shoulder injury behind him to strike the decisive goal against Dungannon Swifts to keep the east-Belfast men's quest to retain the trophy on track.
Linfield blew away the challenge of Lisburn Distillery with a comfortable and comprehensive 5-1 victory at Windsor Park.
Glenn Ferguson opened the scoring from the penalty spot on 11 minutes and the grabbed a second just before the hour mark.
In between Peter Thompson made it 2-0 just after the half hour and Michael Gault got the second-half off to a great start for the Blues with a goal in the opening minute.
William Murphy's strong run and classy finish made it 5-0 and there was a consolation effort for the Whites in the closing stages from captain Wayne Buchanan.
Crusaders and Newry City, who won their respective quarter-final ties two weeks ago, now join the 'Big Two' in the semi-finals.Those ties will be played on November 7 and 8.