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| H (Match allé) | CD Guabirá | - | Real Potosí | 4:1 (2:1) | ||
| R (match retour) | Real Potosí | - | CD Guabirá | 0:2 (0:1) | ||
| H (Match allé): 31.05.2018 01:00 | R (match retour): 03.06.2018 23:15 | vainqueur: CD Guabirá | ||||
|
|
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| H (Match allé) | CD Guabirá | - | Real Potosí | 4:1 (2:1) | ||
| R (match retour) | Real Potosí | - | CD Guabirá | 0:2 (0:1) | ||
| H (Match allé): 31.05.2018 01:00 | R (match retour): 03.06.2018 23:15 | vainqueur: CD Guabirá | ||||
