The 22-year-old Borussia Dortmund player suffered the setback during training on Thursday and will not be fit for the group stage of the competition, a statement on the Polish Football Federation's official website, www.pzpn.pl, confirmed.

Coach Leo Beenhakker has called up Hertha Berlin forward Lukasz Piszczek as a replacement for Blaszczykowski.

Poland begin their Group B campaign against Germany on Sunday.