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| 1st(1st leg) | Keçiörengücü | - | Menemen Belediyespor | 1:0 (0:0) | ||
| 2nd (2nd leg) | Menemen Belediyespor | - | Keçiörengücü | 2:1 (1:1) | ||
| 1st(1st leg): 10/05/2018 14:00 | 2nd (2nd leg): 14/05/2018 17:00 | Winner: Keçiörengücü | ||||
| 1st(1st leg) | Sivas Belediyespor | - | Afjet Afyonspor | 1:1 (0:0) | ||
| 2nd (2nd leg) | Afjet Afyonspor | - | Sivas Belediyespor | 3:2 (2:1) | ||
| 1st(1st leg): 10/05/2018 14:00 | 2nd (2nd leg): 14/05/2018 17:00 | Winner: Afjet Afyonspor | ||||
| 1st(1st leg) | Sakaryaspor | - | Bandırmaspor | 1:1 (0:0) | ||
| 2nd (2nd leg) | Bandırmaspor | - | Sakaryaspor | 0:2 (0:0) | ||
| 1st(1st leg): 10/05/2018 17:00 | 2nd (2nd leg): 14/05/2018 14:00 | Winner: Sakaryaspor | ||||
| 1st(1st leg) | Şanlıurfaspor | - | Gümüşhanespor | 2:2 (1:0) | ||
| 2nd (2nd leg) | Gümüşhanespor | - | Şanlıurfaspor | 2:0 (1:0) | ||
| 1st(1st leg): 10/05/2018 17:00 | 2nd (2nd leg): 14/05/2018 14:00 | Winner: Gümüşhanespor | ||||
