Marco Hupka ha enfrentado a 65 oponentes a lo largo de su carrera.

Player Team(s) Games
Daniel Arimoro
U16 Ireland (Euro U16 B)
1
Adam Balsay
U16 Hungary (Euro U16 B)
1
Fredrik Bang-Andreasen
U16 Norway (Euro U16 B)
2
Marcus Barnett
U16 Norway (Euro U16 B)
2
Lucas Bergstad
U16 Norway (Euro U16 B)
1
David Bohm 1
Erik Borg
U16 Norway (Euro U16 B)
2
Malcom Carreira
U16 Luxembourg (Euro U16 B)
1
Dino Ceman
U16 Luxembourg (Euro U16 B)
1
Pavel Cerny 1
Ronan Cregan
U16 Ireland (Euro U16 B)
1
Andras Csikai
U16 Hungary (Euro U16 B)
1
Cian Daly
U16 Ireland (Euro U16 B)
1
Davy David Rocha
U16 Luxembourg (Euro U16 B)
1
Haris Dedajic 1
Milan Dokmanovic
U16 Hungary (Euro U16 B)
1
Sanmi Fajana
U16 Ireland (Euro U16 B)
1
Matej Fanta 1
David Fekete
U16 Hungary (Euro U16 B)
1
Peter Filipovity
U16 Hungary (Euro U16 B)
1
Christopher Fulton
U16 Ireland (Euro U16 B)
1
Arne Grevskott
U16 Norway (Euro U16 B)
2
Tobias Gudim
U16 Norway (Euro U16 B)
2
Mikolas Houser 1
Tiernan Howe
U16 Ireland (Euro U16 B)
1
Harun Huseinspahic 1
Alija Islamovic 1
Paul Kelly
U16 Ireland (Euro U16 B)
1
Daire Kennelly
U16 Ireland (Euro U16 B)
1
Benedek Kiss
U16 Hungary (Euro U16 B)
1
Ondrej Kocvara 1
Kosta Kondic 1
Akos Kopacsi
U16 Hungary (Euro U16 B)
1
Jakub Kotala 1
Benedek Kovacs
U16 Hungary (Euro U16 B)
1
Timur Krupalija 1
Mirza Kusturica 1
David Lehane
U16 Ireland (Euro U16 B)
1
Norbert Lukacs
U16 Hungary (Euro U16 B)
1
Tadeas Manas 1
Ognjen Markovic 1
Noe Melchior
U16 Luxembourg (Euro U16 B)
1
Andreas Meldalen
U16 Norway (Euro U16 B)
2
Nikola Micic 1
Nathan Moore
U16 Ireland (Euro U16 B)
1
Mihailo Neskovic 1
Lars Nilsen
U16 Norway (Euro U16 B)
2
Mateusz Nilsen
U16 Norway (Euro U16 B)
2
Raphael Nothomb
U16 Luxembourg (Euro U16 B)
1
Nikolaos Noumeros 1
Andrew O'connor
U16 Ireland (Euro U16 B)
1
Tamas Pallai
U16 Hungary (Euro U16 B)
1
Jarl Paulsen
U16 Norway (Euro U16 B)
1
Matous Pelikan 1
Gabriel Ptak 1
Deni Radak 1
Gil Rech
U16 Luxembourg (Euro U16 B)
1
Oisin Rice
U16 Ireland (Euro U16 B)
1
Vojtech Sykora 1
Timo Tani
U16 Luxembourg (Euro U16 B)
1
Djordje Topolovic 1
Peter Veraszto
U16 Hungary (Euro U16 B)
1
Felix Vlaminck
U16 Luxembourg (Euro U16 B)
1
Marek Vyroubal 1
Torkel Westby
U16 Norway (Euro U16 B)
2