| 1st Qualifying Round | 2nd Qualifying Round | 3rd Qualifying Round | Playoff | Group Stage | 8th Finals |
| Quarterfinals | Semifinals | Final |
Round:
Played
1st Round
09/19/2023 - Tuesday
12:00
Feyenoord
2
x
0
Celtic
12:00
Lazio
1
x
1
Atlético de Madrid
2nd Round
10/04/2023 - Wednesday
09:45
Atlético de Madrid
3
x
2
Feyenoord
12:00
Celtic
1
x
2
Lazio
3rd Round
10/25/2023 - Wednesday
09:45
Feyenoord
3
x
1
Lazio
12:00
Celtic
2
x
2
Atlético de Madrid
4th Round
11/07/2023 - Tuesday
12:00
Atlético de Madrid
6
x
0
Celtic
12:00
Lazio
1
x
0
Feyenoord
5th Round
11/28/2023 - Tuesday
09:45
Lazio
2
x
0
Celtic
12:00
Feyenoord
1
x
3
Atlético de Madrid
6th Round
12/13/2023 - Wednesday
12:00
Atlético de Madrid
2
x
0
Lazio
12:00
Celtic
2
x
1
Feyenoord