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| U | Botev Plovdiv | - | Slavia Sofia | 2:1 (2:1) | ||
| R | Slavia Sofia | - | Botev Plovdiv | 1:0 (0:0) | ||
| U: 10.04.2018 18:00 | R: 24.04.2018 17:30 | Winnaars: Slavia Sofia | ||||
| U | CSKA Sofia | - | Levski Sofia | 0:2 (0:1) | ||
| R | Levski Sofia | - | CSKA Sofia | 2:2 (1:0) | ||
| U: 11.04.2018 17:00 | R: 25.04.2018 17:30 | Winnaars: Levski Sofia | ||||
