Head to Head
| England League 2 | 2021/01/16 15:00 | Grimsby v Southend | D | 0-0 |
| England League 2 | 2020/12/15 19:45 | Southend v Grimsby | W | 3-1 |
Home History
| England National League | 2021/10/23 14:00 | Dag & Red v Southend | L | 3-0 |
| England FA Cup Qualification | 2021/10/16 14:00 | Southend v Chertsey Town | W | 4-1 |
| England National League | 2021/10/09 14:00 | Southend v Chesterfield | L | 0-4 |
| England National League | 2021/10/05 18:45 | Southend v Eastleigh | W | 1-0 |
| England National League | 2021/10/02 14:00 | Solihull Moors v Southend | L | 2-0 |
| England National League | 2021/09/18 14:00 | Torquay v Southend | L | 1-0 |
| England National League | 2021/09/14 18:45 | Southend v Aldershot | L | 2-3 |
| England National League | 2021/09/11 14:00 | Halifax v Southend | L | 3-1 |
Away History
| England National League | 2021/10/26 18:45 | Wealdstone v Grimsby | L | 1-0 |
| England National League | 2021/10/23 14:00 | Grimsby v Yeovil | W | 2-0 |
| England FA Cup Qualification | 2021/10/16 11:30 | Bromsgrove v Grimsby | W | 0-5 |
| England National League | 2021/10/09 14:00 | Woking v Grimsby | W | 0-1 |
| England National League | 2021/10/05 18:45 | Altrincham v Grimsby | W | 2-3 |
| England National League | 2021/10/02 14:00 | Grimsby v Dover | W | 6-0 |
| England National League | 2021/09/28 18:45 | Bromley v Grimsby | L | 3-1 |
| England National League | 2021/09/25 14:00 | Maidenhead Utd v Grimsby | D | 1-1 |