[3] Celtic 0-4 Bayer Leverkusen [2] 2021-09-30 19:00
Stadium: Celtic Park Round: 2
Referee: Marco Di Bello Home Manager: Ange Postecoglou Away Manager: Gerardo Seoane
Home History
| Scotland Premiership | 2021/09/26 14:00 | Celtic v Dundee Utd | D | 1-1 |
| Scotland League Cup | 2021/09/23 18:45 | Celtic v Raith | W | 3-0 |
| Scotland Premiership | 2021/09/19 14:00 | Livingston v Celtic | L | 1-0 |
| UEFA Europa League | 2021/09/16 16:45 | Real Betis v Celtic | L | 4-3 |
| Scotland Premiership | 2021/09/11 14:00 | Celtic v Ross County | W | 3-0 |
| Scotland Premiership | 2021/08/29 11:00 | Rangers v Celtic | L | 1-0 |
| UEFA Europa League Qualifying | 2021/08/26 18:15 | AZ v Celtic | L | 2-1 |
| Scotland Premiership | 2021/08/21 14:00 | Celtic v St Mirren | W | 6-0 |
Away History
| Germany Bundesliga I | 2021/09/25 13:30 | Bayer Leverkusen v Mainz | W | 1-0 |
| Germany Bundesliga I | 2021/09/19 13:30 | VfB Stuttgart v Bayer Leverkusen | W | 1-3 |
| UEFA Europa League | 2021/09/16 16:45 | Bayer Leverkusen v Ferencvarosi TC | W | 2-1 |
| Germany Bundesliga I | 2021/09/11 13:30 | Bayer Leverkusen v Borussia Dortmund | L | 3-4 |
| Germany Bundesliga I | 2021/08/28 13:30 | Augsburg v Bayer Leverkusen | W | 1-4 |
| Germany Bundesliga I | 2021/08/21 16:30 | Bayer Leverkusen v Borussia M'gladbach | W | 4-0 |
| Germany Bundesliga I | 2021/08/14 13:30 | Union Berlin v Bayer Leverkusen | D | 1-1 |
| Germany DFB Pokal | 2021/08/07 13:30 | FC Lok Leipzig v Bayer Leverkusen | W | 0-3 |