Kammala jumla mai zuwa: A lokacin da yake da shekaru 16, Dahlin shi ne ɗan ƙaramin ɗan wasan da ya taɓa yin ado don Sweden a gasar IIHF ta Duniya ta U20, kuma ɗan ƙaramin ɗan wasa gaba ɗaya a Gasar Hockey ta Duniya ta Junior ta 2017. Dahlin ya fafata a Gasar Hockey ta Duniya ta 2018 don Sweden, yana yin rikodin taimako shida kuma yana taimakawa jagorantar ƙungiyar don lashe azurfa. An kira shi babban mai tsaron gidan wasan bayan ya zira kwallaye na biyu mafi yawa a tsakanin masu tsaron gidan wasan. Bayan da Dahlin da wasu abokan wasan suka cire lambobin azurfa bayan sun karbe su yayin bikin lambar yabo, an dakatar da shi na wasannin farko na biyu na gasar.
Gasar Hockey ta Duniya ta Junior ta 2019.