Ku qor sii wadida cutubkan - Bishii Juun 2017, Duelund waxay ka mid ahayd laba qof oo keliya oo 19 jir ah oo lagu magacaabay kooxda Denmark ee tartanka UEFA European Under-21 Championship
waxay ku nooshahay Poland. Wuxuu laba jeer ka soo muuqday tartanka, oo ay kujirto bilowga guuldaradii 3 <unk> 0 ee horyaalkii ugu dambeeyay ee Jarmalka, ka hor inta aan Denmark laga saarin inta lagu gudajiray wareega kooxaha.