Despite embarking on their first-ever continental adventure, Oliver Glasner's side are adapting very quickly. Missing key figures like striker Jean-Philippe Mateta and wing-back Daniel Muñoz, the Eagles left Dublin with a comfortable result that virtually guarantees them a spot in the Europa Conference League qualifying rounds.
A further three points in their next fixture against Finland's KuPS should be enough to seal direct passage to the last 16, particularly following a prior stumble against Strasbourg.
This match offered a platform for some of Palace's lesser-used players to shine. Christantus Uche, in only his second start since arriving on loan from Getafe, notched the account with a well-taken goal. Forward Eddie Nketiah added a another, scoring for the second game in match.
A Shelbourne side that had finished their domestic season proved outmatched against a mostly rotated Palace lineup. The visitors were already weakened by the reports that Mateta and Muñoz are out with leg problems.
Despite heavy rain in Dublin, Palace rapidly established dominance. A slick move in the 11th minute, initiated by Daichi Kamada's clever pass, allowed Nketiah to set up Uche for a straightforward tap-in.
Youngster Adam Wharton went close soon after, fizzing a long-range shot over the bar. Nketiah then claimed for a penalty after bursting into the area, but the official dismissed the appeals.
The formerArsenal striker did not have wait long to get his goal, tapping home from close range after Uche's effort had hit the post.
The home side were clinging on desperately. Defender Kameron Ledwidge was fortunate to avoid a booking for two robust tackles on Yeremy Pino, before Chris Richards rattled the crossbar with a header from a corner.
The match was effectively over eight minutes from half-time. Yeremy Pino weaved past some comically weak challenges before calmly slotting a shot past keeper Wessel Speel to extend the lead to 3-0.
After the break, manager Oliver Glasner seized the opportunity to withdraw several players like Kamada and Wharton. Replacement Romain Esse almost scoring with his first touch, only to see his shot blocked.
The youngster was incredibly unlucky later on, seeing one attempt strike off both posts before being gathered on the line. Uche also blazed a glaring chance, indicating there is still room for development in his game.
The only worry for Palace was a late knock to Justin Devenny, who was forced off. This paved the way for 17-year-old striker Benji Casey to earn his first-team debut, rounding off an otherwise perfect evening for the visiting side.
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