| 1. Runde | 11.07.2018 | Spartak Trnava | - | Zrinjski Mostar | 1:0 | ||||
| 1. Runde | 18.07.2018 | Zrinjski Mostar | - | Spartak Trnava | 1:1 | ||||
| 2. Runde | 24.07.2018 | Legia Warszawa | - | Spartak Trnava | 0:2 |  |
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| 2. Runde | 31.07.2018 | Spartak Trnava | - | Legia Warszawa | 0:1 | ||||
| 3. Runde | 07.08.2018 | Crvena Zvezda | - | Spartak Trnava | 1:1 | ||||
| 3. Runde | 14.08.2018 | Spartak Trnava | - | Crvena Zvezda | 1:2 n.V. |
Slowakei