1st(1st leg) FK Mačva Šabac - Mladost Lučani 1:1 (1:1)
2nd (2nd leg) Mladost Lučani - FK Mačva Šabac 4:0 (2:0)
1st(1st leg): 18/04/2018 15:00 2nd (2nd leg): 09/05/2018 16:30 Winner: Mladost Lučani
1st(1st leg) FK Čukarički - Partizan 4:2 (2:2)
2nd (2nd leg) Partizan - FK Čukarički 2:0 (0:0)
1st(1st leg): 18/04/2018 17:30 2nd (2nd leg): 09/05/2018 19:00 Winner: Partizan