| 1 | Tue 17 Aug 2021 | 231-1 v Mansfield TownColchester United 1-1 Mansfield Town | Sky Bet League Two |
| 2 | Sat 21 Aug 2021 | 232-1 v Oldham AthleticOldham Athletic 1-2 Colchester United | Sky Bet League Two |
| 3 | Fri 27 Aug 2021 | 23 1-1 v RochdaleRochdale 1-1 Colchester United | Sky Bet League Two |
| 4 | Fri 10 Sep 2021 | 233-2 v BarrowBarrow 2-3 Colchester United | Sky Bet League Two |
| 5 | Sat 18 Sep 2021 | 230-1 v Crawley TownColchester United 0-1 Crawley Town | Sky Bet League Two |
| 6 | Sat 25 Sep 2021 | 230-0 v Swindon TownSwindon Town 0-0 Colchester United | Sky Bet League Two |
| 7 | Sat 2 Oct 2021 | 230-2 v Salford CityColchester United 0-2 Salford City | Sky Bet League Two |
| 8 | Sat 16 Oct 2021 | 231-0 v Harrogate TownColchester United 1-0 Harrogate Town | Sky Bet League Two |
| 9 | Tue 19 Oct 2021 | 231-1 v Bristol RoversColchester United 1-1 Bristol Rovers | Sky Bet League Two |
| 10 | Sat 23 Oct 2021 | 230-3 v Port ValePort Vale 3-0 Colchester United | Sky Bet League Two |
| 11 | Tue 26 Oct 2021 | 231-3 v Sutton UnitedColchester United 1-3 Sutton United | Sky Bet League Two |
| 12 | Sat 30 Oct 2021 | 232-1 v Scunthorpe UnitedColchester United 2-1 Scunthorpe United | Sky Bet League Two |
| 13 | Tue 9 Nov 2021 | 230-0 v Ipswich TownIpswich Town 0-0 Colchester United | Papa John’s Trophy |
| 14 | Sat 20 Nov 2021 | 230-1 v StevenageStevenage 1-0 Colchester United | Sky Bet League Two |
| 15 | Tue 23 Nov 2021 | 233-1 v Exeter CityColchester United 3-1 Exeter City | Sky Bet League Two |
| 16 | Fri 26 Nov 2021 | 231-1 v Newport CountyColchester United 1-1 Newport County | Sky Bet League Two |
| 17 | Wed 8 Dec 2021 | 230-0 v Bradford CityBradford City 0-0 Colchester United | Sky Bet League Two |
| 18 | Sat 11 Dec 2021 | 230-3 v WalsallWalsall 3-0 Colchester United | Sky Bet League Two |
| 19 | Tue 11 Jan 2022 | 230-2 v Forest Green RoversForest Green Rovers 2-0 Colchester United | Sky Bet League Two |