NK Zagreb By season By season

| Season | Competition | Round | Opponent | Home | Away | Agg_ |
|---|---|---|---|---|---|---|
| 1964–65 | Inter-Cities Fairs Cup | R1 | GAK | 3–2 | 6–0 | 9–2 |
| 1964–65 | Inter-Cities Fairs Cup | R2 | Roma | 1–1 | 0–1 | 1–2 |
| 1965–66 | Inter-Cities Fairs Cup | R1 | RFC Liège | 2–0 | 0–1 | 2–1 |
| 1965–66 | Inter-Cities Fairs Cup | R2 | Steagul Roşu Braşov | 2–2 | 0–1 | 2–3 |
| 1969–70 | Inter-Cities Fairs Cup | R1 | Charleroi | 1–3 | 1–2 | 2–5 |
| 1995–96 | Intertoto Cup | Group 6 | LASK Linz | 0–0 | – | – |
| 1995–96 | Intertoto Cup | Group 6 | Keflavík | – | 0–0 | – |
| 1995–96 | Intertoto Cup | Group 6 | Metz | 0–1 | – | – |
| 1995–96 | Intertoto Cup | Group 6 | Partick Thistle | – | 2–1 | – |
| 1997–98 | Cup Winners` Cup | QR | Sloga Jugomagnat | 2–0 | 2–1 | 4–1 |