Group L | 19/10/2017 | Vardar Skopje | - | Real Sociedad | 0:6 | ||||
Group L | 02/11/2017 | Real Sociedad | - | Vardar Skopje | 3:0 | ||||
Group L | 23/11/2017 | Rosenborg BK | - | Real Sociedad | 0:1 | ||||
Group L | 07/12/2017 | Real Sociedad | - | Zenit St. Petersburg | 1:3 | ||||
Round of 32 | 15/02/2018 | Real Sociedad | - | RB Salzburg | 2:2 | ||||
Round of 32 | 22/02/2018 | RB Salzburg | - | Real Sociedad | 2:1 |