[10] Millwall 1-0 Middlesbrough [8] 2021-03-20 15:00
Stadium: The Den Round: 38
Referee: James Linington Home Manager: Gary Rowett Away Manager: Neil Warnock
Head to Head
| Inglismaa Championship | 2020/12/12 15:00 | Middlesbrough v Millwall | L | 3-0 |
| Inglismaa Championship | 2020/07/08 14:00 | Millwall v Middlesbrough | L | 0-2 |
| Inglismaa Championship | 2019/08/24 14:00 | Middlesbrough v Millwall | D | 1-1 |
| Inglismaa Championship | 2019/01/19 15:00 | Middlesbrough v Millwall | D | 1-1 |
| Inglismaa Championship | 2018/08/04 14:00 | Millwall v Middlesbrough | D | 2-2 |
| Inglismaa Championship | 2018/04/28 16:30 | Middlesbrough v Millwall | L | 2-0 |
| Inglismaa Championship | 2017/12/16 15:00 | Millwall v Middlesbrough | W | 2-1 |
| Inglismaa Championship | 2015/03/03 19:45 | Middlesbrough v Millwall | L | 3-0 |
| Inglismaa Championship | 2014/12/06 15:00 | Millwall v Middlesbrough | L | 1-5 |