Hordur Hardarson a affronté 77 adversaires tout au long de sa carrière.

Player Team(s) Games
Marsel Aliaj
U20 Albania (Euro U20B)
1
Jose Almeida
U20 Portugal (Euro U20B)
1
Sergo Atuashvili
U20 Georgia (Euro U20B)
1
John Behan
U20 Ireland (Euro U20B)
1
Franko Bushati
U20 Albania (Euro U20B)
1
Richard Cahill
U20 Ireland (Euro U20B)
1
Shane Callaghan
U20 Ireland (Euro U20B)
1
Klevis Cane
U20 Albania (Euro U20B)
1
Kamil Chanas
U20 Poland (Euro U20B)
1
Giorgi Chavleishvili
U20 Georgia (Euro U20B)
1
Niko Chkhatarashvili
U20 Georgia (Euro U20B)
1
Michal Chylinski
U20 Poland (Euro U20B)
1
Edward Crudden
U20 Ireland (Euro U20B)
1
Paulo Diamantino
U20 Portugal (Euro U20B)
1
Edmund Duffy
U20 Ireland (Euro U20B)
1
Fabio Fernandes
U20 Portugal (Euro U20B)
1
Giorgi Gamqrelidze
U20 Georgia (Euro U20B)
1
Andrea Gjinaj
U20 Albania (Euro U20B)
1
David Gomes
U20 Portugal (Euro U20B)
1
Samuel Haanpaa
U20 Finland (Euro U20B)
1
Erin Hasani
U20 Albania (Euro U20B)
1
Henri Hirvikoski
U20 Finland (Euro U20B)
1
Endrit Hysenagolli
U20 Albania (Euro U20B)
1
Davit Imnadze
U20 Georgia (Euro U20B)
1
Jakub Jurczak
U20 Poland (Euro U20B)
1
Ermal Kapedani
U20 Albania (Euro U20B)
1
Tomasz Kesicki
U20 Poland (Euro U20B)
1
Stephen King
U20 Ireland (Euro U20B)
1
Vladimir Klar 1
Marcin Kosinski
U20 Poland (Euro U20B)
1
Richard Kucsa 1
Eero Lehtinen
U20 Finland (Euro U20B)
1
Turo Lehtonen
U20 Finland (Euro U20B)
1
Pawel Leonczyk
U20 Poland (Euro U20B)
1
Eero Leva
U20 Finland (Euro U20B)
1
Bartosz Lewandowski
U20 Poland (Euro U20B)
1
Peter Majerik 1
Vesa Makalainen
U20 Finland (Euro U20B)
1
Georgi Mamatsashvili
U20 Georgia (Euro U20B)
1
Roman Marko 1
Ian McLoughlin
U20 Ireland (Euro U20B)
1
George Mdivani
U20 Georgia (Euro U20B)
1
Conor Meany
U20 Ireland (Euro U20B)
1
Martin Miklosik 1
Joao Moreira
U20 Portugal (Euro U20B)
1
Hugo Mota
U20 Portugal (Euro U20B)
1
Miroslav Mrlik 1
Adrian Mroczek-Truskowski
U20 Poland (Euro U20B)
1
Tomasz Ochonko
U20 Poland (Euro U20B)
1
Miroslav Palenik 1
Vladimir Paraik 1
Lasha Parghalava
U20 Georgia (Euro U20B)
1
Antonio Pires
U20 Portugal (Euro U20B)
1
Lukasz Ratajczak
U20 Poland (Euro U20B)
1
Bruno Roxo
U20 Portugal (Euro U20B)
1
Irakli Sakvarelidze
U20 Georgia (Euro U20B)
1
Joao Santos
U20 Portugal (Euro U20B)
1
Peter Sedmak 1
Gerti Shima
U20 Albania (Euro U20B)
1
Christopher Smye
U20 Ireland (Euro U20B)
1
Joonas Suotamo
U20 Finland (Euro U20B)
1
Gabriel Szalay 1
Maciej Szlachtowicz
U20 Poland (Euro U20B)
1
Juxhin Talelli
U20 Albania (Euro U20B)
1
Philip Taylor
U20 Ireland (Euro U20B)
1
Diogo Teixeira
U20 Portugal (Euro U20B)
1
George Tsintsadze
U20 Georgia (Euro U20B)
1
Viljami Vanjoki
U20 Finland (Euro U20B)
1
Jari Vanttaja
U20 Finland (Euro U20B)
1
Nikoloz Vashakidze
U20 Georgia (Euro U20B)
1
Sergio Veiguinha
U20 Portugal (Euro U20B)
1
Ilkka Vuori
U20 Finland (Euro U20B)
1
Aaron Westbrooks
U20 Ireland (Euro U20B)
1
Isaac Westbrooks
U20 Ireland (Euro U20B)
1
Bartlomiej Woloszyn
U20 Poland (Euro U20B)
1
Dusan Zivicky 1
Ladislav Zudel 1