| Albania (1) |
|---|
| Skënderbeu Korçë, |
| | Austria (2) |
|---|
| Austria Wien, | | Red Bull Salzburg, |
| | | Belgium (1) |
|---|
| Zulte-Waregem, |
|
| | | Cyprus (1) |
|---|
| Apollon Limassol, |
| | Czech Republic (3) |
|---|
| Fastav Zlín, | | Slavia Praha, | | Viktoria Plzeň, |
|
| | England (2) |
|---|
| Arsenal, | | Everton, |
| | France (3) |
|---|
| Olympique Lyon, | | Olympique Marseille, | | Olympique Nice, |
| | Germany (5) |
|---|
| Borussia Dortmund, | | FC Köln, | | Hertha BSC, | | Hoffenheim, | | RB Leipzig, |
|
| | Israel (2) |
|---|
| Hapoel Beer-Sheva, | | Maccabi Tel Aviv, |
| | Italy (4) |
|---|
| AC Milan, | | Atalanta, | | Lazio Roma, | | Napoli, |
| |
| Moldova (1) |
|---|
| Sheriff Tiraspol, |
| | | North Macedonia (1) |
|---|
| FK Vardar, |
| |
| Portugal (3) |
|---|
| Sporting Braga, | | Sporting CP, | | Vitória Guimarães, |
| | Romania (1) |
|---|
| Steaua Bucureşti, |
| | Russia (4) |
|---|
| CSKA Moskva, | | FC Zenit, | | Lokomotiv Moskva, | | Spartak Moskva, |
| |
| Serbia (2) |
|---|
| Crvena Zvezda, | | FK Partizan, |
| | Spain (4) |
|---|
| Athletic Club, | | Atlético Madrid, | | Real Sociedad, | | Villarreal, |
| | | Swiss (2) |
|---|
| FC Lugano, | | Young Boys, |
|
| Turkey (2) |
|---|
| Istanbul Başakşehir, | | Konyaspor, |
| | Ukraine (2) |
|---|
| Dynamo Kyiv, | | Zorya Luhansk, |
|