Rory Patterson scored a second half hat-trick as holders Derry City won 4-0 at non-league Blarney United to cruise safely into the third round of the FAI Ford Cup.
All the goals came after the break at O'Shea Park with striker Patterson breaking the deadlock with a header from Barry McNamee's cross eight minutes in.
Ryan Curran scooped home a rebound for the second on 86 minutes in a late flurry of action. Patterson got his second two minutes later with a calm finish before completing his hat-trick with a crisp volley right on 90.
Last year's beaten finalists, and current Premier Division leaders, St. Patrick's Athletic also scored a 4-0 win, beating UCD well for the second time at Richmond Park this week.
Christy Fagan put St. Pat's in front just past the half hour before doubling the lead seven minutes into the second half. Jake Kelly added a third on 62 minutes with College defender Gareth Matthews putting through his own goal to gift St. Pat's their fourth goal 11 minutes from time.
Rory Gaffney scored twice as Limerick saw off the challenge of non-league Glenville with a 3-0 win at Whitehall. Striker Gaffney collected a Stephen Bradley pass to score the opener on 21 minutes..
Axel Bossekota then set up Gaffney for his second on 56 minutes before Bradley added the third direct from a free-kick ten minutes later.
Goals from Danny Ventre and Anthony Elding gave Sligo Rovers at 2-0 win away to Waterford United.
Skipper Ventre turned well in the box to fire home the opener on 21 minutes after Waterford failed to clear an Aaron Greene corner.
Elding added the second in first half stoppage time when converting a cross from Greene.
David O'Sullivan maintained his remarkable season with a hat-trick as First Division leaders Longford Town saw off Limerick non-league side Pike Rovers 4-0 at the City Calling Stadium.
O'Sullivan nodded in his first from a Mark Salmon cross on 15 minutes. The second arrived just before the hour when O'Sullivan scooped home the rebound after Pike keeper Gary Neville parried his initial shot.
The hat-trick was completed on 75 minutes as O'Sullivan headed home a cross from Keith Quinn. Salmon added Longford's fourth goal from a stoppage time penalty.
Bluebell United provided the only surprise of the night when they held Roddy Collins' First Division Athlone Town to a 2-2 draw at Baldonnel.
Tony Griffiths put Leinster Senior League side Bluebell ahead from a seventh minute penalty.
Two stunning strikes from distance from Ian Sweeney, in the 31st and 66th minutes, looked to have booked Athlone's passage. But Robert Douglas earned Bluebell a deserved replay on Tuesday night with a stunning volleyed equaliser from some 30 yards in the 76th minute.
Cobh Ramblers beat Dublin non-league side St. Patrick's CY 4-3 at Frank Cooke Park.
Cobh ran up a 2-0 lead within eleven minutes with strikes from Brian Fitzgerald and Conor Meade. Striker Meade then made it 3-0 four minutes into the second half from a penalty. Bobby Donoghue added Cobh's fourth six minutes later.
St. Patrick's Thomas Dunne got a goal back for St. Patrick's on 61 minutes. Brian Mooney scored another for the minnows right on 90 minutes before Dunne got his second from a penalty five minutes into added time.