The Ambassadors battled back from a 1-0 deficit to see off Rectory Rangers in last weekend’s O’Hara Cup first-round derby.
Jonathan Mulholland handed Rangers control on home soil before Aaron Lavery’s double left The Ambassadors in front.
Knockmenagh Swifts suffered a 5-4 reverse on the road at Red Star.
Junior Cup ties resulted in first-round exits for Hanover and St Mary’s by, respectively 3-0 and 9-1 against Enniskillen Santos and Enniskillen Rangers.
In Mid-Ulster Reserve League Division One, Markethill Swifts’ trip to AFC Craigavon ended in a 4-2 defeat.
Kyle Abraham’s brace of goals failed to hand Bourneview Mill a reward at the final whistle in Mid-Ulster Reserve League Division Two.
Richhill finished on top with a 3-2 victory for Mark McCune’s squad.
Gareth Atkinson’s early effort provided the first-half highlight, with Lee Wortley converting a penalty kick after the break.
Chris Lester’s finishing touch to good work by Justin Cully and Brent Murray wrapped up the Richhill win.
Gary Hunniford, Paul Creaney and Mark McKinley each found the net but Laurelvale lost out by 4-3 against Dungannon Rovers.
Steven Crowe’s goal offered little consolation to Seagoe in a 3-1 loss against Tullyvallen across Mid-Ulster Reserve League Division Three.
Broomhill’s Mid-Ulster Reserve League Division Four defeat by Dungannon Tigers arrived with David Taylor and Robbie Murray the home scorers.
Murray’s volley proved a talking point and Broomhill members would like to wish Taylor a speedy recovery from his knee operation.