| Champions League | M. | W | D | L | goals | |||
| at home | 1 | 1 | 0 | 0 | 3 | : | 1 | |
| Away | 1 | 0 | 1 | 0 | 2 | : | 2 | |
| ∑ | 2 | 1 | 1 | 0 | 5 | : | 3 | |
| Europa League | M. | W | D | L | goals | |||
| at home | 1 | 1 | 0 | 0 | 3 | : | 1 | |
| Away | 1 | 0 | 0 | 1 | 1 | : | 3 | |
| ∑ | 2 | 1 | 0 | 1 | 4 | : | 4 | |
| overall | M. | W | D | L | goals | |||
| at home | 2 | 2 | 0 | 0 | 6 | : | 2 | |
| Away | 2 | 0 | 1 | 1 | 3 | : | 5 | |
| Neutral Place | 0 | 0 | 0 | 0 | 0 | : | 0 | |
| ∑ | 4 | 2 | 1 | 1 | 9 | : | 7 | |
| Champions League | |||||
| 1959/1960 | 1. Round | AC Milan | - | Olympiakos Piraeus | 3:1 (2:0) |
| 1959/1960 | 1. Round | Olympiakos Piraeus | - | AC Milan | 2:2 (2:1) |
| Europa League | |||||
| 2018/2019 | Group F | Olympiakos Piraeus | - | AC Milan | 3:1 (0:0) |
| 2018/2019 | Group F | AC Milan | - | Olympiakos Piraeus | 3:1 (0:1) |
|
For games that were decided on penalties the score after 120 minutes will be included in the ranking |
Italy ![AC Milan [Women]](https://s.hs-data.com/bilder/wappen/mini/14012.gif?fallback=png "AC Milan [Women]"){kind=small}
![AC Milan [U16]](https://s.hs-data.com/bilder/wappen/mini/26613.gif?fallback=png "AC Milan [U16]"){kind=small}
![AC Milan [Youth]](https://s.hs-data.com/bilder/wappen/mini/20873.gif?fallback=png "AC Milan [Youth]"){kind=small}
![AC Milan [Youth Women]](https://s.hs-data.com/bilder/wappen/mini/39302.gif?fallback=png "AC Milan [Youth Women]"){kind=small}
![AC Milan [Youth B]](https://s.hs-data.com/bilder/wappen/mini/23509.gif?fallback=png "AC Milan [Youth B]"){kind=small}
![AC Milan [Youth B Women]](https://s.hs-data.com/bilder/wappen/mini/38189.gif?fallback=png "AC Milan [Youth B Women]"){kind=small}
![AC Milan [Youth C]](https://s.hs-data.com/bilder/wappen/mini/39102.gif?fallback=png "AC Milan [Youth C]"){kind=small}
