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| 1st(1st leg) | Górnik Zabrze | - | Legia Warszawa | 1:1 (0:0) | ||
| 2nd (2nd leg) | Legia Warszawa | - | Górnik Zabrze | 2:1 (0:0) | ||
| 1st(1st leg): 03/04/2018 17:00 | 2nd (2nd leg): 18/04/2018 19:30 | Winner: Legia Warszawa | ||||
| 1st(1st leg) | Korona Kielce | - | Arka Gdynia | 2:1 (1:0) | ||
| 2nd (2nd leg) | Arka Gdynia | - | Korona Kielce | 1:0 (0:0) | ||
| 1st(1st leg): 04/04/2018 17:00 | 2nd (2nd leg): 17/04/2018 19:30 | Winner: Arka Gdynia | ||||
