Matches against CSKA Sofia
| Season | Date | Match | Match | Res. |
|---|---|---|---|---|
| Champions League 1981/1982 | 30.09.1981 | Real Sociedad - CSKA Sofia | RSO - SOF | 0:0 |
| Champions League 1981/1982 | 16.09.1981 | CSKA Sofia - Real Sociedad | SOF - RSO | 1:0 |
Cortabarría
| Season | Date | Match | Match | Res. |
|---|---|---|---|---|
| Champions League 1981/1982 | 30.09.1981 | Real Sociedad - CSKA Sofia | RSO - SOF | 0:0 |
| Champions League 1981/1982 | 16.09.1981 | CSKA Sofia - Real Sociedad | SOF - RSO | 1:0 |