Union Luxembourg | European Cup | Competitions
| Season | 1 | 2 | G | W‑D‑L | GF‑GA | Reached |
|---|---|---|---|---|---|---|
| 1991‑92 | 0‑5 | 0‑5 | 2 | 0‑0‑2 | 0‑10 | 1st Round |
| 1990‑91 | 1‑3 | 0‑3 | 2 | 0‑0‑2 | 1‑6 | 1st Round |
| 1971‑72 | 1‑3 | 0‑1 | 2 | 0‑0‑2 | 1‑4 | Qual. Round |
| 1962‑63 | 0‑8 | 0‑6 | 2 | 0‑0‑2 | 0‑14 | 1st Round |
| Union Luxembourg seasons in Champions League. Home games in bold. | ||||||