Ireland's U-17s are getting the tough tests they need ahead of hosting next summer's Euro Finals, after suffering a second defeat in four days yesterday.
Colin O'Brien's side has recovered from an interval deficit to the Czech Republic in their UEFA 2-1 up, only to concede twice in the final half-hour.
Eight changes were made to the team beaten 3-1 by England and they went behind on the half hour.
Harry Halwax, who was in the area, and who was in the area.
The turnaround was kick-started four minutes after the restart by Anselmo Garcia MacNulty, who made it 1-1 with a looping volley.
Sean Kennedy completed a moving move two minutes later to put Ireland ahead.
The teams were level when Filip Silhart smashed in a penalty, before Ireland got caught in stoppage time as Pech stole it.
Tallaght Stadium (1.0).
IRELAND – Halwax (Derby County); Dunne (Shamrock Rovers), Kelly (Shamrock Rovers), Garcia-MacNulty (Real Betis), Considine (Bohemians); K Martin-Conway (St. Patrick's Ath), Keogh (Southampton), Healy (Ipswich Town); Giurgi (Norwich City), Everitt (Brighton & Hove Albion), Kennedy (Southampton). Subs: McKinley (Derry City), for Martin-Conway, F Ebosele (Derby County) for Giurgi, Carty (Wolves) for Everitt (all 46), Turner (Aberdeen) for Kelly (62).