| | Austria (2) |
|---|
| LASK Linz, | | Rapid Wien, |
| | Białoruś (1) |
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| Dinamo Minsk, |
| | Belgia (2) |
|---|
| AA Gent, | | Cercle Brugge, |
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| Bosnia-Herzegovina (1) |
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| FK Borac Banja Luka, |
| | Cypr (3) |
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| APOEL Nicosia, | | Omonia Nicosia, | | Pafos FC, |
| | Republika Czeska (1) |
|---|
| Mladá Boleslav, |
| |
| | Finlandia (1) |
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| HJK Helsinki, |
| | |
| Islandia (1) |
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| Víkingur Reykjavík, |
| | Irlandia (1) |
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| Shamrock Rovers, |
| | |
| Mołdawia (1) |
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| Petrocub Hincesti, |
| | Irlandia Północna (1) |
|---|
| Larne FC, |
| | | Polska (2) |
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| Jagiellonia, | | Legia Warszawa, |
|
| Portugalia (1) |
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| Vitória Guimarães, |
| | | Serbia (1) |
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| TSC Backa Topola, |
| | Słowenia (2) |
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| NK Celje, | | Olimpija Ljubljana, |
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|---|
| Djurgardens IF, |
| | Switzerland (2) |
|---|
| FC Lugano, | | FC St. Gallen, |
| | Turcja (1) |
|---|
| Istanbul Başakşehir, |
|
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