Both sides were evenly matched throughout, however it was a penalty kick in the dying seconds of the game that clinched it for the home side.
The Munster U18's take on Cowbridge at the Arms Park on Saturday, 23rd August before they head home to continue preparations for their Interprovincial campaign beginning this September.
Munster XV v Cymoedd: David Gleeson; Kieran Coughlan, Ian O'Brien, Eoin Lacey, Sean Murphy; Liam Coombes, Jordan O'Regan; Peter Kelleher, Tomas Darcy, Ian McCarthy; Fineen Wycherley , Dylan Reeves Wasik; David Flynn, Angelo Johnson, Robbie Walsh. Replacements: Shane Bushe, Darragh Joyce, Dylan Murphy, Ross O'Neill, Alan Fitzgerald, Paudie O'Sullivan, Jack Quilter, Sean Ivess.
Munster U18 Pre Interprovincial Warm Up Fixtures
Sat, 23rd August, Cowbridge v Munster U18 Clubs, Arms Park, Cardiff, kick-off TBC.
Wed, 3rd September, Munster U18 Clubs v Munster U17 Development Squad, Limerick (venue TBC), kick-off TBC.
Munster U18 Clubs Interprovincial Fixtures
Sat., 13th Sept., Connacht v Munster (venue TBC)
Sat., 20th Sept., Ulster v Munster (venue TBC)
Sat., 27th Sept., Munster v Leinster (venue TBC)