Kevin O'reilly a affronté 73 adversaires tout au long de sa carrière.

Player Team(s) Games
Roman Albrecht
U20 Switzerland (Euro U20B)
1
Jose Almeida
U20 Portugal (Euro U20B)
1
Joao Balseiro
U20 Portugal (Euro U20B)
1
Martin Bilik 1
Martin Binovsky 1
Lionel Bobetso
U20 Switzerland (Euro U20B)
1
Michal Chylinski
U20 Poland (Euro U20B)
1
Richard Clark 1
Bartosz Diduszko
U20 Poland (Euro U20B)
1
Jakub Dluski
U20 Poland (Euro U20B)
1
Kyle Dodd 1
Alexander Dungal
U20 Iceland (Euro U20B)
1
Pavel Ermolinskij
U20 Iceland (Euro U20B)
1
Fabio Fernandes
U20 Portugal (Euro U20B)
1
Claudio Fonseca
U20 Portugal (Euro U20B)
1
Michal Gabinski
U20 Poland (Euro U20B)
1
David Gomes
U20 Portugal (Euro U20B)
1
Miguel Graca
U20 Portugal (Euro U20B)
1
Elvar Gudmundsson
U20 Iceland (Euro U20B)
1
Guy Guede 1
Brecht Guillemyn
U20 Belgium (Euro U20B)
1
Martijn Hendrix
U20 Belgium (Euro U20B)
1
Darri Hilmarsson
U20 Iceland (Euro U20B)
1
Steingrimur Ingolfsson
U20 Iceland (Euro U20B)
1
Peter Isler
U20 Switzerland (Euro U20B)
1
Emil Jankech 1
Jerome Justo
U20 Switzerland (Euro U20B)
1
Dariusz Kalinowski
U20 Poland (Euro U20B)
1
Simon Kearney 1
Pawel Kikowski
U20 Poland (Euro U20B)
1
Damian Kulig
U20 Poland (Euro U20B)
1
Pawel Leonczyk
U20 Poland (Euro U20B)
1
Benjamin Lewis 1
Mikhail Linskens
U20 Belgium (Euro U20B)
1
Steeve Louissaint
U20 Switzerland (Euro U20B)
1
Julien Marion
U20 Belgium (Euro U20B)
1
Roman Marko 1
Niels Marnegrave
U20 Belgium (Euro U20B)
1
Richard McNutt 1
Aylton Medeiros
U20 Portugal (Euro U20B)
1
Jerome Meylan
U20 Switzerland (Euro U20B)
1
Tomas Michalik 1
Kamil Michalski
U20 Poland (Euro U20B)
1
Jack Minister 1
Dusan Mladjan
U20 Switzerland (Euro U20B)
1
Westher Molteni
U20 Switzerland (Euro U20B)
1
Nuno Monteiro
U20 Portugal (Euro U20B)
1
Stephane Moris
U20 Belgium (Euro U20B)
1
Hugo Mota
U20 Portugal (Euro U20B)
1
Stan Naudts
U20 Belgium (Euro U20B)
1
Tomasz Ochonko
U20 Poland (Euro U20B)
1
Johann Olafsson
U20 Iceland (Euro U20B)
1
Randy Oveneke
U20 Belgium (Euro U20B)
1
Birgir Petursson
U20 Iceland (Euro U20B)
1
Antonio Pires
U20 Portugal (Euro U20B)
1
Liam Potter 1
David Ramseyer
U20 Switzerland (Euro U20B)
1
Joseph Ransom 1
Joao Santos
U20 Portugal (Euro U20B)
1
Pascal Schuler
U20 Switzerland (Euro U20B)
1
Reto Schwaiger
U20 Switzerland (Euro U20B)
1
Justin Sedlak 1
Kristjan Runar Sigurdsson
U20 Iceland (Euro U20B)
1
Vesteinn Sveinsson
U20 Iceland (Euro U20B)
1
Diogo Teixeira
U20 Portugal (Euro U20B)
1
Peter Terlanda 1
Christopher Timms 1
Mukole Tshimuanga
U20 Belgium (Euro U20B)
1
Miroslav Vansa 1
Bartlomiej Woloszyn
U20 Poland (Euro U20B)
1
Jan Zavodny 1
Dusan Zivicky 1
Maros Zuffa 1