Ryu Takao (髙尾 瑠, Takao Ryu, born 9 November 1996) is a Japanese footballer who plays for Gamba Osaka in the J1 League as well as their Under-23 side in J3 League. His regular playing position is right full-back.
Albania
Algeria
Andorra
Argentina
Armenia
Australia
Austria
Azerbaijan
Bahrain
Belarus
Belgium
Bolivia
Bosnia And Herzegovina
Brazil
Bulgaria
Burkina Faso
Canada
Chile
China
Chinese Taipei
Colombia
Costa Rica
Croatia
Cyprus
Czech Republic
Denmark
Ecuador
Egypt
El Salvador
England
Estonia
Europe (UEFA)
Finland
France
Georgia
Germany
Ghana
Gibraltar
Greece
Guatemala
Honduras
Hong Kong
Hungary
Iceland
India
Indonesia
Iran
Iraq
Israel
Italy
Jamaica
Japan
Jordan
Kazakhstan
Kenya
Kuwait
Latvia
Lithuania
Luxembourg
Malta
Mexico
Moldova
Montenegro
Morocco
Netherlands
Nigeria
North Macedonia
Northern Ireland
Norway
Oman
Paraguay
Peru
Philippines
Poland
Portugal
Qatar
Republic Of Ireland
Romania
Russia
San Marino
Saudi Arabia
Scotland
Serbia
Slovakia
Slovenia
South Africa
South Korea
Spain
Sweden
Switzerland
Tanzania
Thailand
Tunisia
Turkey
UAE
USA
Uganda
Ukraine
Uruguay
Uzbekistan
Venezuela
Vietnam
Wales
Zambia
CSKA Moscow 
Zenit Saint Petersburg 
Chelsea 
Tottenham 
Marseille 
Atalanta 
Roma 
Bayer Leverkusen 
Fiorentina 
Club Brugge 
Toulouse 
Montpellier 
Bordeaux 
Ajaccio 
Luton 
Everton 
Arsenal 
Bournemouth 
Leicester 
Blackburn 
Borussia Dortmund 
FC Augsburg 
VFB Stuttgart 
Bayern Munich 
VFL Wolfsburg 
SV Darmstadt 98 
Werder Bremen 
Borussia Monchengladbach 
Celtic 
Heart Of Midlothian 
Real Madrid 
Cadiz 
Monaco 
Clermont Foot 63 
Monza 
Lazio 
Manchester City 
Wolverhampton 
Girona 
Barcelona 
Sassuolo 
Inter 
Mallorca 
Atletico Madrid 
Chaves 
FC Porto 
PSV 
Sparta Rotterdam 
Rangers 
Kilmarnock 
Volendam 
Ajax 
Dynamo Kyiv 
Kolos Kovalivka 
West Ham 
Sampdoria 
Reggiana 
Espanyol 
Sporting Gijon