Helmut Fritz games refereed
| date | competition | season | team | score | team | venue | attendance | sources |
|---|---|---|---|---|---|---|---|---|
| July 19, 1964 | ISL | 1964 | AEK Athens | 2 - 3 | Red Star Belgrade | Downing Stadium | 8841 | 1 |
| July 15, 1964 | ISL | 1964 | Vitória de Guimarães | 0 - 1 | Zagłębie Sosnowiec | Downing Stadium | 4730 | 1 |
| July 5, 1964 | ISL | 1964 | AEK Athens | 0 - 3 | Zagłębie Sosnowiec | Downing Stadium | 7840 | 1 |