Alexander Undery a affronté 47 adversaires tout au long de sa carrière.

Player Team(s) Games
Maxim Agachi
U18 Moldova (Euro U18)
1
Sean Aquilina
U18 Malta (Euro U18)
1
Carlos Aranda Blanquer
U18 Andorra (Euro U18)
1
Alejandro Aranda Blanquer
U18 Andorra (Euro U18)
1
Matthew Attard
U18 Malta (Euro U18)
1
Vladimir Avdeenco
U18 Moldova (Euro U18)
1
Isaac Azzopardi
U18 Malta (Euro U18)
1
Victor Banaru
U18 Moldova (Euro U18)
1
Pietro Nicola Baustert
U18 Luxembourg (Euro U18)
1
Marc Bermudo Cuesta
U18 Andorra (Euro U18)
1
Oriol Betrian Pujol
U18 Andorra (Euro U18)
1
Victor Buadin Cruz
U18 Andorra (Euro U18)
1
Neil Cassar
U18 Malta (Euro U18)
1
Gabriel Cassar
U18 Malta (Euro U18)
1
Juan Cefai Garcia
U18 Malta (Euro U18)
1
Alexandru Cernautanu
U18 Moldova (Euro U18)
1
Max Liam Cocard
U18 Luxembourg (Euro U18)
1
Vadim Constandoglu
U18 Moldova (Euro U18)
1
Serghei Cusniriuc
U18 Moldova (Euro U18)
1
Nil Donsion Reyes
U18 Andorra (Euro U18)
1
Jordan Ellul Dowling
U18 Malta (Euro U18)
1
Louie Farrugia
U18 Malta (Euro U18)
1
Marco Farrugia
U18 Malta (Euro U18)
1
Stefan Florea
U18 Moldova (Euro U18)
1
Jon Fortes Porres
U18 Andorra (Euro U18)
1
Hugo Gauthier Diet
U18 Andorra (Euro U18)
1
Pit Hansen
U18 Luxembourg (Euro U18)
1
Alain Jacobs
U18 Luxembourg (Euro U18)
1
Teo Joan Pertinez
U18 Andorra (Euro U18)
1
Lenny Jonsson
U18 Luxembourg (Euro U18)
1
Louis Koerfer
U18 Luxembourg (Euro U18)
1
Egor Lecari
U18 Moldova (Euro U18)
1
Leonardo Lopez Calzada
U18 Andorra (Euro U18)
1
Miguel Marti Chamorro
U18 Andorra (Euro U18)
1
Marc Martinez Pegalajar
U18 Andorra (Euro U18)
1
Alexandru Moisei
U18 Moldova (Euro U18)
1
Zakaria Rafyi
U18 Luxembourg (Euro U18)
1
Finn Reisdorffer
U18 Luxembourg (Euro U18)
1
Dorian Scheltien
U18 Luxembourg (Euro U18)
1
Nicolae Sorochin
U18 Moldova (Euro U18)
1
Sam Streef
U18 Luxembourg (Euro U18)
1
Neil Sultana
U18 Malta (Euro U18)
1
Damien Thill
U18 Luxembourg (Euro U18)
1
Vladimir Todorov
U18 Moldova (Euro U18)
1
Nicolas Toussaint
U18 Luxembourg (Euro U18)
1
Durim Verrija
U18 Moldova (Euro U18)
1
Isaac Xuereb
U18 Malta (Euro U18)
1