Ireland were on the end of a late 1-0 defeat against Belgium in the second qualfying phase of the tournament.
It means they must beat Serbia & Montenegro tomorrow and Norway on Sunday to have any chance of progressing to the finals.
Only the winners of seven groups go through to the finals in Switzerland on July 13-19.
Mark, who his full debut for Spurs at Wolves on Saturday, was suspended for the Belgium games but is available tomorrow.
Mark Yeates' hopes of appearing in the European Under-19 Championships with Ireland this summer suffered a blow last night.