The pressure continues to mount on Shamrock Rovers manager Stephen Bradley.
They were dumped out of the EA Sports Cup by First Division side Longford tonight.
Daniel O'Reilly struck late-on to give Neale Fenn's side a 1-0 win at Tallaght Stadium and progress to a quarter-final with Cobh Ramblers.
Meanwhile, a Jamie Doyle hat-trick helped Shelbourne thrash Drogheda United 7-2 at Tolka Park.
Shels will now play Derry City in the quarter-finals.
In the other quarter-finals, Sligo Rovers welcome Waterford and Dundalk take on Bohemians.
The quarter-finals are scheduled to take place on May 7 and 8.