1. Round | 12/07/2018 | ÍBV Vestmannaeyjar | - | Sarpsborg 08 | 0:4 | ||||
2. Round | 26/07/2018 | FC St. Gallen | - | Sarpsborg 08 | 2:1 | ||||
2. Round | 02/08/2018 | Sarpsborg 08 | - | FC St. Gallen | 1:0 | ||||
3. Round | 09/08/2018 | Sarpsborg 08 | - | HNK Rijeka | 1:1 | ||||
3. Round | 16/08/2018 | HNK Rijeka | - | Sarpsborg 08 | 0:1 | ||||
Play-offs | 23/08/2018 | Sarpsborg 08 | - | Maccabi Tel Aviv | 3:1 |