Michael ONeill has released Ciaron Brown and Shayne Lavery out of his Northern??Ireland squad to allow the Set.
Linfield striker Lavery and Cardiff shield Brown have been at the 23-man senior team that travelled to Prague night.
However they have flown to Romania to join up with Ian Baracloughs squad for their 2021 Euro qualifier in Voluntari on Monday night.
Baracloughs side endured a late defeat on Thursday, after brings with Finland and Malta leaving them.
Lavery and Brown both showcased in the months friendly against Luxembourg , a match Brown began on his debut for the staff.
Both players were at the framework to feature in Prague with ONeill place to provide use lots of fringe players in his group after Thursdays heartbreaking late defeat to Holland that left hopes of qualifying dangling by a thread.
No replacements will be called up departing ONeill with 21 players for Mondays friendly.