Brentford B lost 2-0 to League of Ireland side Shamrock Rovers at Tallaght Stadium on Friday night.
Dylan Watts scored a first-half penalty before Dean Dillon added another in the second period. Brentford's Jarvis Edobor hit the post late on but it wasn't enough to spark a comeback in South Dublin.
The hosts started the game on the front foot, goalkeeper Ellery Balcombe forced into some fine saves in the opening exchanges.
After only five minutes, Balcombe had to get low to his right to flick a shot from former Manchester City youngster Jack Byrne around the post. Then he was on hand moments later to stop an Aaron Greene header from point-blank range.
The Bees mounted their first attack after 10 minutes, Henrik Johansson seeing a shot blocked on the edge of the box. Cole Dasilva followed it up with a low drive that shaved the post on its way narrowly wide of the target.
With quarter of an hour gone, Byrne was almost in again. Collecting the header down from Greene, he struck a shot from distance that swerved in the rough evening wind. Balcombe was there again, reaching up to tip the ball over the crossbar.
With the weather proving difficult for goalkeepers, Sean Kavanagh had every right to try and test Balcombe from a free-kick 22 minutes in. The goalkeeper found this easy to get behind, parrying the shot and gathering it at the second attempt.
It was Byrne again on target with a long-range effort after 27 minutes. Once again the England youth international between the sticks was ready for it, knocking the ball wide with his fists.
Just before half an hour of football, the referee awarded Shamrock a penalty. Ronan Finn made his way into the box from the left, Kolbeinn Finnsson pulled at his shoulders and it was all too easy for the Hoops player to go to ground and give the officials no choice.
Balcombe was unlucky to see it go past him, getting a hand on the spot-kick from Watts but unable to get enough on it to divert the ball over the bar.
Johansson won Brentford a corner after 37 minutes, the first piece of action in Alan Mannus' penalty area for a while. The following corner was whipped into the near post where Kavanagh was just able to get in ahead of Joe Hardy and clear the ball from danger.
The fullback was almost the villain just before half-time. Jonny Mitchell raced forward down the centre then knocked the ball out for Dasilva. A deep cross came off Kavanagh on its way through a looped over Mannus, just going wide of the post on the far side.
At the break, Lars Friis removed Mitchell for Jan Zamburek. The Scottish midfielder was starting his first game of 2019, still on the road to a full recovery after coming back a week earlier against Dortmund.
The second half got off to a cagey start. Rovers had made four changes at the break. The most action seen in that opening quarter of an hour was a late challenge on Jayden Onen that saw Finn pick up a booking.
Soon after, with around an hour gone, Shamrock made another five substitutions. That included a change of keeper with Mannus leaving the field for Leon Pohls.
Rovers fired a warning shot when sub Dan Carr nodded a corner kick inches wide of the near post after 64 minutes.
Johansson then picked up a yellow card for tripping Greene on the counter attack right under the referee's nose. A few minutes later, the home side doubled their advantage.
Aaron McEneff cut in from the left wing, finding Byrne in the middle. He turned inside two defenders to play a ball wide for Carr. The winger then drilled in a cross that found Dillon in the centre. All the striker had to do was direct it on target, and he did exactly that as the clock struck 68 minutes.
Six minutes later, Brentford B almost found a way back into the contest. Zamburek popped a ball out to Finnsson on the left wing. He beat a defender before turning back and crossing into the box. Jarvis Edobor was given the time to take it on his chest before driving it at goal, the ball hitting the post and bouncing wide.
Straight down the other end, it should have been three but for some more heroics from Balcombe. The ball in from Carr found Orhan Vojic in behind the defence. He nodded it down from inside the six-yard box and found a fine reaction stop from the goalkeeper denied him a place on the scoresheet.
Entering the final 10 minutes, Vojic was almost in again but Edobor was smart to drag him down by the shirt as he almost raced clear for a two-on-one. The 19-year-old defender nodded in agreement as the referee drew out a yellow card.
After 84 minutes, Roberto Lopes thought he had finished things when he scored from close range. The assistant had raised his flag however, Vojiv drifting offside when the initial pass had been played in behind.
That's how the game finished. Rovers passing the ball around for the remaining time, keeping Brentford out of the game to the very end. The B squad are now on a run of four defeats in a row ahead of an important Semi-Final next Tuesday against Dulwich Hamlet.
Shamrock Rovers (first half): Mannus; Boyle, Lopes, Grace, Kavanagh; Bone, Watts; Byrne, Finn, Coustrain; Greene
Shamrock Rovers (second half): Mannus (sub Pohls 61); Boyle (sub Dunne 61), Lopes, Grace (sub Furlong), Kavanagh (sub Clarke 61); Bolger, Vojic; Byrne, Finn (sub Dillon 61), Carr; McEneff
Brentford B: Balcombe; Dasilva, Kirk, Edobor, Archibald; Onen, Finnsson, Mitchell (sub Zamburek h/t); Johansson, Hardy, Brissett (sub Majka 66)
Subs (not used): Andersson