Matches against CSKA Sofia
| Season | Date | Match | Match | Res. |
|---|---|---|---|---|
| Cup Winners Cup 1970/1971 | 04.11.1970 | Chelsea - CSKA Sofia | CHE - SOF | 1:0 |
| Cup Winners Cup 1970/1971 | 21.10.1970 | CSKA Sofia - Chelsea | SOF - CHE | 0:1 |

| Season | Date | Match | Match | Res. |
|---|---|---|---|---|
| Cup Winners Cup 1970/1971 | 04.11.1970 | Chelsea - CSKA Sofia | CHE - SOF | 1:0 |
| Cup Winners Cup 1970/1971 | 21.10.1970 | CSKA Sofia - Chelsea | SOF - CHE | 0:1 |