Gretar Asgeirsson ha enfrentado a 83 oponentes a lo largo de su carrera.

Player Team(s) Games
Saba Akobia
U16 Georgia (Euro U16 B)
1
Mihailo Andjelkovic
U16 Luxembourg (Euro U16 B)
1
David Aphkhazava
U16 Georgia (Euro U16 B)
1
Pit Arend
U16 Luxembourg (Euro U16 B)
1
Philippe Arendt
U16 Luxembourg (Euro U16 B)
1
Levan Babilodze
U16 Georgia (Euro U16 B)
1
Gil Beni
U16 Israel (Euro U16 B)
1
Aljaz Bratec
U16 Slovenia (Euro U16 B)
1
Michael Brisker
U16 Israel (Euro U16 B)
1
Luka Bulashvili
U16 Georgia (Euro U16 B)
1
Thierry Cames
U16 Luxembourg (Euro U16 B)
1
Omer Cohen
U16 Israel (Euro U16 B)
1
Pedro Costa
U16 Portugal (Euro U16 B)
1
Nika Darbaidze
U16 Georgia (Euro U16 B)
1
Lou Demuth
U16 Luxembourg (Euro U16 B)
1
David Dias
U16 Portugal (Euro U16 B)
1
Daniel Dias
U16 Portugal (Euro U16 B)
1
Nenad Dimitrijevic 1
Oliver Dimitriov 1
Tomas Domingos
U16 Portugal (Euro U16 B)
1
Kieran Dowling
U16 Scotland (Euro U16 B)
1
Viktor Efremovski 1
Craig Ferguson
U16 Scotland (Euro U16 B)
1
Airton Fernandes
U16 Portugal (Euro U16 B)
1
Ido Flaisher
U16 Israel (Euro U16 B)
1
Bojan Georgievski 1
Philippe Germeaux
U16 Luxembourg (Euro U16 B)
1
Bojan Gjorgjievski 1
Rene Grdadolnik
U16 Slovenia (Euro U16 B)
1
Giorgi Gvianidze
U16 Georgia (Euro U16 B)
1
Ashley Hall
U16 Scotland (Euro U16 B)
1
Elvis Hot 1
Christopher Jackson
U16 Scotland (Euro U16 B)
1
Colin Jackson
U16 Scotland (Euro U16 B)
1
Frank Jacoby
U16 Luxembourg (Euro U16 B)
1
Ersin Jakupi 1
Matej Janezic
U16 Slovenia (Euro U16 B)
1
Kyle Jimenez
U16 Scotland (Euro U16 B)
1
Koren Jorno
U16 Israel (Euro U16 B)
1
Ziga Jurcek
U16 Slovenia (Euro U16 B)
1
Elvis Keric
U16 Slovenia (Euro U16 B)
1
Yousef Khalil
U16 Scotland (Euro U16 B)
1
Nikola Kicev 1
Nejc Klavzar
U16 Slovenia (Euro U16 B)
1
Jan Kocman
U16 Slovenia (Euro U16 B)
1
Ben Kovac
U16 Luxembourg (Euro U16 B)
1
Drejc Kregar
U16 Slovenia (Euro U16 B)
1
Ewan Lancaster
U16 Scotland (Euro U16 B)
1
Nikoloz Leonidze
U16 Georgia (Euro U16 B)
1
Bob Lessure
U16 Luxembourg (Euro U16 B)
1
Rodrigo Lima
U16 Portugal (Euro U16 B)
1
Nikoloz Lolishvili
U16 Georgia (Euro U16 B)
1
Jurij Macura
U16 Slovenia (Euro U16 B)
1
Goncalo Madureira
U16 Portugal (Euro U16 B)
1
Ranko Mamuzikj 1
Alastair Mathieson
U16 Scotland (Euro U16 B)
1
Stefan Mileski 1
Stewart Morgan
U16 Scotland (Euro U16 B)
1
Sean Nealon Lino
U16 Scotland (Euro U16 B)
1
Harrison Neri
U16 Israel (Euro U16 B)
1
Petar Ognjenovikj 1
Domen Omladic
U16 Slovenia (Euro U16 B)
1
Barak David Orion
U16 Israel (Euro U16 B)
1
Gaber Ozegovic
U16 Slovenia (Euro U16 B)
1
Kristijan Perovski 1
Miguel Pinto
U16 Portugal (Euro U16 B)
1
Vladimer Purtskhvanidze
U16 Georgia (Euro U16 B)
1
Yonatan Rabinowitz
U16 Israel (Euro U16 B)
1
Tom Rech
U16 Luxembourg (Euro U16 B)
1
Miron Ruina
U16 Israel (Euro U16 B)
1
Tom Alan Sapir
U16 Israel (Euro U16 B)
1
Pol Schwartz
U16 Luxembourg (Euro U16 B)
1
Jake Sirrell
U16 Scotland (Euro U16 B)
1
Tiago Tavares
U16 Portugal (Euro U16 B)
1
Pedro Teixeira
U16 Portugal (Euro U16 B)
1
Giorgi Tsirikidze
U16 Georgia (Euro U16 B)
1
Giorgi Tskhovrebovi
U16 Georgia (Euro U16 B)
1
Giorgi Tvalabeishvili
U16 Georgia (Euro U16 B)
1
Matic Vesel
U16 Slovenia (Euro U16 B)
1
Vladyslav Voytso
U16 Portugal (Euro U16 B)
1
Dor Wachner
U16 Israel (Euro U16 B)
1
Mathis Wolff
U16 Luxembourg (Euro U16 B)
1
Yovel Zoosman
U16 Israel (Euro U16 B)
1