New signings Arnau Puigmal and Largie Ramazani are named.
Three 15-year-olds are in Man Utd's squad for the tournament.
Goals from Brandon Williams and Millen Baars gave United a deserved victory in front of over 2,200 people.
With a friendly each and a week of training in the beautiful settings of the Austrian mountains, Manchester United's under-18s and under-23s sides enjoyed a successful pre-season training camp.
Angel Gomes, Josh Bohui and Indy Boonen were also on the scoresheet as United's under-18s made it eight wins from 12 games.