Stadium: City Ground Round: 6
Referee: Dean Whitestone Home Manager: Chris Hughton Away Manager: Michael Joseph McCarthy
| England Championship | 2021/04/02 14:00 | Cardiff v Nottm Forest | W | 0-1 |
| England FA Cup | 2021/01/09 12:00 | Nottm Forest v Cardiff | W | 1-0 |
| England Championship | 2020/09/19 11:30 | Nottm Forest v Cardiff | L | 0-2 |
| England Championship | 2020/02/25 19:45 | Cardiff v Nottm Forest | W | 0-1 |
| England Championship | 2019/11/30 15:00 | Nottm Forest v Cardiff | L | 0-1 |
| England Championship | 2018/04/21 18:45 | Cardiff v Nottm Forest | L | 2-1 |
| England Championship | 2017/11/26 13:00 | Nottm Forest v Cardiff | L | 0-2 |
| England Championship | 2017/04/17 14:00 | Cardiff v Nottm Forest | L | 1-0 |
| England Championship | 2021/05/08 11:30 | Nottm Forest v Preston | L | 1-2 |
| England Championship | 2021/05/01 11:30 | Sheff Wed v Nottm Forest | D | 0-0 |
| England Championship | 2021/04/24 14:00 | Nottm Forest v Stoke | D | 1-1 |
| England Championship | 2021/04/21 18:45 | Birmingham v Nottm Forest | D | 1-1 |
| England Championship | 2021/04/17 11:30 | Nottm Forest v Huddersfield | L | 0-2 |
| England Championship | 2021/04/10 14:00 | Bristol City v Nottm Forest | D | 0-0 |
| England Championship | 2021/04/05 14:00 | Nottm Forest v QPR | W | 3-1 |
| England Championship | 2021/04/02 14:00 | Cardiff v Nottm Forest | W | 0-1 |
| Club Friendly List | 2021/07/17 12:00 | Cardiff v Cambridge Utd | L | 0-2 |
| England Championship | 2021/05/08 11:30 | Cardiff v Rotherham | D | 1-1 |
| England Championship | 2021/05/01 14:00 | Birmingham v Cardiff | W | 0-4 |
| England Championship | 2021/04/24 14:00 | Cardiff v Wycombe | W | 2-1 |
| England Championship | 2021/04/20 17:00 | Brentford v Cardiff | D | 1-1 |
| England Championship | 2021/04/16 17:00 | Reading v Cardiff | D | 1-1 |
| England Championship | 2021/04/10 14:00 | Cardiff v Blackburn | D | 2-2 |
| England Championship | 2021/04/05 16:30 | Sheff Wed v Cardiff | L | 5-0 |