 Eliasson akamiririra Sweden ku2018 IIHF World U18 Championships kwaakaonekwa mumutambo mumwe, aine 3.00 GAA,.885 save percentage, uye akahwina menduru yebronze. Eliasson akamiririra Sweden pa2020 World Junior Ice Hockey Championshipsapo akaoneka mumutambo mumwe, ane 2.00 GAA,.895 kuponesa muzana, uye akakunda menduru yendarira. 