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| 1st(1st leg) | Racing Ferrol | - | CF Reus Deportiu | 1:0 (1:0) | ||
| 2nd (2nd leg) | CF Reus Deportiu | - | Racing Ferrol | 1:1 (0:0) | ||
| 1st(1st leg): 23/05/2015 15:30 | 2nd (2nd leg): 31/05/2015 11:15 | Winner: Racing Ferrol | ||||
| 1st(1st leg) | CF Villanovense | - | Athletic Bilbao B | 2:1 (0:0) | ||
| 2nd (2nd leg) | Athletic Bilbao B | - | CF Villanovense | 2:0 (0:0) | ||
| 1st(1st leg): 23/05/2015 17:30 | 2nd (2nd leg): 31/05/2015 19:00 | Winner: Athletic Bilbao B | ||||
| 1st(1st leg) | UD Logroñés | - | Huracán CF | 1:1 (0:0) | ||
| 2nd (2nd leg) | Huracán CF | - | UD Logroñés | 2:1 (0:0, 1:1) aet | ||
| 1st(1st leg): 23/05/2015 20:00 | 2nd (2nd leg): 30/05/2015 16:00 | Winner: Huracán CF | ||||
| 1st(1st leg) | Hércules CF | - | Real Murcia | 1:1 (1:0) | ||
| 2nd (2nd leg) | Real Murcia | - | Hércules CF | 0:1 (0:0) | ||
| 1st(1st leg): 23/05/2015 20:00 | 2nd (2nd leg): 30/05/2015 18:00 | Winner: Hércules CF | ||||
| 1st(1st leg) | Real Unión | - | UCAM Murcia CF | 0:0 (0:0) | ||
| 2nd (2nd leg) | UCAM Murcia CF | - | Real Unión | 1:0 (0:0, 0:0, 1:0) aet | ||
| 1st(1st leg): 24/05/2015 17:00 | 2nd (2nd leg): 31/05/2015 16:30 | Winner: UCAM Murcia CF | ||||
| 1st(1st leg) | UD Almería B | - | CD Guadalajara | 2:2 (2:1) | ||
| 2nd (2nd leg) | CD Guadalajara | - | UD Almería B | 1:1 (1:0) | ||
| 1st(1st leg): 24/05/2015 18:00 | 2nd (2nd leg): 30/05/2015 18:00 | Winner: CD Guadalajara | ||||
