| 1er tour | 12.07.2018 | FK Budućnost Podgorica | - | AS Trenčín | 0:2 | ||||
| 1er tour | 19.07.2018 | AS Trenčín | - | FK Budućnost Podgorica | 1:1 | ||||
| 2e tour | 26.07.2018 | Górnik Zabrze | - | AS Trenčín | 0:1 |  |
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| 2e tour | 02.08.2018 | AS Trenčín | - | Górnik Zabrze | 4:1 | ||||
| 3e tour | 09.08.2018 | AS Trenčín | - | Feyenoord | 4:0 | ||||
| 3e tour | 16.08.2018 | Feyenoord | - | AS Trenčín | 1:1 | ||||
| Play-offs | 23.08.2018 | AS Trenčín | - | AEK Larnaca | 1:1 | ||||
| Play-offs | 30.08.2018 | AEK Larnaca | - | AS Trenčín | 3:0 |
Slovaquie