[12] Middlesbrough 0-1 Millwall [13] 2023-07-15 08:00
Stadium: Riverside Round: 1
Referee: Gavin Ward Home Manager: Michael Carrick Away Manager: Gary Rowett
Head to Head
| England Championship | 2023/01/14 15:00 | Middlesbrough v Millwall | W | 1-0 |
| England Championship | 2022/10/08 14:00 | Millwall v Middlesbrough | L | 2-0 |
| England Championship | 2022/03/12 15:00 | Millwall v Middlesbrough | D | 0-0 |
| England Championship | 2021/11/20 15:00 | Middlesbrough v Millwall | D | 1-1 |
| England Championship | 2021/03/20 15:00 | Millwall v Middlesbrough | L | 1-0 |
| England Championship | 2020/12/12 15:00 | Middlesbrough v Millwall | W | 3-0 |
| England Championship | 2020/07/08 14:00 | Millwall v Middlesbrough | W | 0-2 |
| England Championship | 2019/08/24 14:00 | Middlesbrough v Millwall | D | 1-1 |
Home History
| Club Friendly List | 2023/07/14 18:00 | Hartlepool v Middlesbrough | L | 2-1 |
| Club Friendly List | 2023/07/08 12:00 | Guimaraes v Middlesbrough | W | 0-1 |
| England Championship | 2023/05/17 19:00 | Middlesbrough v Coventry | L | 0-1 |
| England Championship | 2023/05/14 11:00 | Coventry v Middlesbrough | D | 0-0 |
| England Championship | 2023/05/08 14:00 | Middlesbrough v Coventry | D | 1-1 |
| England Championship | 2023/05/01 12:00 | Rotherham v Middlesbrough | L | 1-0 |
| England Championship | 2023/04/24 19:00 | Luton v Middlesbrough | L | 2-1 |
| England Championship | 2023/04/19 19:00 | Middlesbrough v Hull | W | 3-1 |
Away History
| England Championship | 2023/05/08 14:00 | Millwall v Blackburn | L | 3-4 |
| England Championship | 2023/04/28 19:00 | Blackpool v Millwall | W | 2-3 |
| England Championship | 2023/04/22 14:00 | Wigan v Millwall | L | 2-1 |
| England Championship | 2023/04/18 19:00 | Millwall v Birmingham | L | 0-1 |
| England Championship | 2023/04/15 14:00 | Millwall v Preston | W | 2-0 |
| England Championship | 2023/04/10 14:00 | Hull v Millwall | L | 1-0 |
| England Championship | 2023/04/07 11:30 | Millwall v Luton | D | 0-0 |
| England Championship | 2023/04/01 14:00 | West Brom v Millwall | D | 0-0 |