Despite embarking on their first-ever continental adventure, Oliver Glasner's side are adapting at a rapid pace. Missing star figures like forward Jean-Philippe Mateta and defender Daniel Muñoz, the Eagles departed Dublin with a commanding win that all but guarantees them a spot in the Europa Conference League qualifying rounds.
A further victory in their upcoming fixture against Finnish KuPS ought to be enough to seal direct entry to the knockout stages, particularly after a prior setback against Strasbourg.
This match offered a chance for some of Palace's lesser-used talent to impress. Christantus Uche, in only his second beginning since arriving on loan from Getafe, notched the account with a clinical finish. Striker Eddie Nketiah added a second, scoring for the second game in match.
A Shelbourne side that had concluded their league season were outmatched against a mostly rotated Palace lineup. The Londoners were already depleted by the news that Mateta and Muñoz are sidelined with leg injuries.
Despite torrential rain in Dublin, Palace quickly established dominance. A flowing passing sequence in the 11th minute, initiated by Daichi Kamada's incisive pass, allowed Nketiah to lay on Uche for a simple finish.
Midfielder Adam Wharton went close minutes later, driving a long-range effort over the bar. Nketiah subsequently claimed for a penalty after racing into the area, but the official waved away the protests.
The formerArsenal man did not have wait long to find his goal, prodding home from close range after Uche's effort had hit the post.
Shelbourne were clinging on desperately. Full-back Kameron Ledwidge was fortunate to avoid a booking for two robust tackles on Yeremy Pino, before Chris Richards rattled the woodwork with a powerful header from a corner.
The match was as good as over eight minutes from half-time. Yeremy Pino weaved past some weak challenges before coolly slotting a shot past goalkeeper Wessel Speel to make it 3-0.
After the break, coach Oliver Glasner seized the opportunity to withdraw key players like Kamada and Wharton. Replacement Romain Esse almost scoring with his very first touch, but saw his effort blocked.
Esse was desperately unlucky later on, seeing one attempt crash off both posts before being gathered on the line. Uche then missed a sitter of a chance, showing there is still scope for development in his game.
The only worry for Palace was a second-half knock to Justin Devenny, who limped off. This allowed 17-year-old forward Benji Casey to earn his first-team debut, capping an otherwise positive evening for the visiting side.
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