| 2024-04-20 15:00 | J45 | Grimsby Town |  | 2-0 |  | Swindon Town | Liam Smith 75', Donovan Wilson 85' | |
| 2024-04-06 15:00 | J43 | Grimsby Town | | 1-0 |  | Newport County | Danny Rose 33' | |
| 2024-04-01 13:00 | J42 | Grimsby Town | | 1-1 |  | Bradford City | Curtis Thompson 55'; Richard Smallwood 90' (p.) | |
| 2024-03-23 15:00 | J40 | Grimsby Town | | 1-3 |  | Wrexham | Arthur Gnahoua 81'; Andy Cannon 5' 36', Paul Mullin 42' | |
| 2024-03-12 19:45 | J38 | Grimsby Town | | 1-0 |  | MK Dons | Justin Obikwu 33' | |
| 2024-03-02 15:00 | J36 | Grimsby Town | | 1-0 |  | Forest Green Rovers | Harvey Rodgers 8' | |
| 2024-02-17 15:00 | J34 | Grimsby Town | | 1-5 |  | Doncaster Rovers | Danny Rose 19' (p.), Niall Maher 51' (p.p.); Luke Molyneux 6', Joe Ironside 8', Matthew Craig 72', Kyle Hurst 82' | |
| 2024-02-10 15:00 | J32 | Grimsby Town | | 1-3 |  | Stockport County | Abo Eisa 52'; Antoni Sarcevic 9', Isaac Olaofe 14', Lewis Cass 28' | |
| 2024-01-27 15:00 | J30 | Grimsby Town | | 1-2 |  | Tranmere Rovers | Doug Tharme 39', Toby Mullarkey 54' (p.p.); Rob Apter 35' | |
| 2024-01-13 15:00 | J28 | Grimsby Town | | 5-5 |  | Notts County | Danny Rose 7' (p.), Abo Eisa 15' 62', Harry Clifton 52', Harry Wood 90'; David McGoldrick 39' 90', Macaulay Langstaff 45', Aaron Nemane 60' 79' | |
| 2024-01-01 15:00 | J26 | Grimsby Town | | 1-6 |  | Walsall | Danny Rose 29'; Douglas James-Taylor 38', Isaac Hutchinson 43' 55' (p.), Jack Earing 50', Priestley Farquharson 66', Danny Johnson 90' | |
| 2023-12-23 15:00 | J23 | Grimsby Town | | 1-2 |  | Harrogate Town | Kieran Green 90'; Matty Foulds 41', Abraham Odoh 72' | |
| 2023-12-09 15:00 | J21 | Grimsby Town | | 2-1 |  | Crewe Alexandra | Abo Eisa 18', Danny Rose 45'; Joe White 78' | |
| 2023-11-25 15:00 | J19 | Grimsby Town | | 1-1 |  | Sutton United | Rekeil Pyke 19'; Harry Smith 45' | |
| 2023-11-14 19:45 | 1R | Grimsby Town | | 7-2 |  | Slough Town | Rekeil Pyke 7' 45', Danny Rose 16', Arthur Gnahoua 65' 85', Alex Hunt 81', Jamie Andrews 86'; Tyrese Dyce 20', David Ogbonna 34' | |
| 2023-11-11 15:00 | J17 | Grimsby Town | | 3-2 |  | Morecambe | Danny Rose 47', Kieran Green 49', Rekeil Pyke 59'; Adam Mayor 2', JJ McKiernan 86' | |
| 2023-10-24 19:45 | J15 | Grimsby Town | | 2-3 |  | Colchester | Donovan Wilson 52'; Owen Goodman 7' (p.p.), Joe Taylor 11', Zach Mitchell 35', Arthur Read 64' | |
| 2023-10-14 15:00 | J13 | Grimsby Town | | 0-2 |  | Accrington Stanley | Shaun Whalley 74', Josh Andrews 82' | |
| 2023-10-10 19:30 | Grp.F | Grimsby Town | | 1-2 | | Bradford City | Rekeil Pyke 18'; Ciaran Kelly 16', Emmanuel Osadebe 48' | |
| 2023-10-03 19:45 | J11 | Grimsby Town | | 2-1 |  | Barrow AFC | Danny Rose 37', Donovan Wilson 75'; Sam Foley 79' | |
| 2023-09-23 15:00 | J9 | Grimsby Town | | 2-3 |  | Crawley Town | Gavan Holohan 24', Abo Eisa 30'; Liam Kelly 32', Ronan Darcy 35', Danilo Orsi 90' | |
| 2023-09-02 15:00 | J6 | Grimsby Town | | 2-0 |  | Gillingham | Niall Maher 12', Gavan Holohan 27' | |
| 2023-08-29 19:30 | Grp.F | Grimsby Town | | 2-2(2-5 pen.) |  | Manchester City S21 | Harry Clifton 77', Rekeil Pyke 90'; Will Dickson 9', Joel Ndala 28' | |
| 2023-08-19 15:00 | J4 | Grimsby Town | | 1-1 |  | Mansfield Town | Abo Eisa 6'; Rhys Oates 59' | |
| 2023-08-15 19:45 | J3 | Grimsby Town | | 2-0 |  | Salford City | Abo Eisa 21' 65' | |
| 2023-08-05 15:00 | J1 | Grimsby Town | | 0-0 |  | AFC Wimbledon | | |
11/05 - 12:30
