| | Belgium (2) |
|---|
| AA Gent, | | Racing Genk, |
| | | Denmark (1) |
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| FC Nordsjælland, |
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| | | | Luxembourg (1) |
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| F91 Dudelange, |
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| Netherlands (2) |
|---|
| Feyenoord, | | Vitesse, |
| | Poland (3) |
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| Jagiellonia, | | Lech Poznań, | | Legia Warszawa, |
| | Portugal (1) |
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| Sporting Braga, |
| | Romania (1) |
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| Steaua Bucureşti, |
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| Scotland (1) |
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| Glasgow Rangers, |
| | | Slovakia (2) |
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| AS Trenčín, | | Slovan Bratislava, |
| |
| | Turkey (1) |
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| Istanbul Başakşehir, |
| | Ukraine (1) |
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| Zorya Luhansk, |
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