Jan Bednarek completed 90 minutes for Poland on Thursday night but could not prevent defeat to the Netherlands.
The on-loan Aston Villa defender started the Nations League encounter in Warsaw as the visitors ran out 2-0 victors.
Poland remain third in Group A4 heading into Sunday’s final fixture against Wales in Cardiff.
Leander Dendoncker, meanwhile, was an unused substitute as Belgium saw off Wales 2-1 in the group’s other fixture in Brussels.
Second-placed Belgium now go head-to-head with leaders Netherlands on Sunday knowing they must win if they are to have any chance of topping the group.
Jacob Ramsey stepped off the bench to complete the final stages of a 2-0 victory for England Under-21s against Italy in Pescara.
The midfielder was a 72nd-minute substitute in the friendly triumph, which came courtesy of Rhian Brewster’s brace.
