| 1 | Sat 5 Sep 2020 | 81-3 v ReadingReading 3-1 Colchester United | Carabao Cup First Round South |
| 2 | Sat 17 Oct 2020 | 8 2-3 v Carlisle UnitedCarlisle United 3-2 Colchester United | Sky Bet League Two |
| 3 | Tue 20 Oct 2020 | 8 1-0 v Forest Green RoversColchester United 1-0 Forest Green Rovers | Sky Bet League Two |
| 4 | Sat 24 Oct 2020 | 82-1 v Harrogate TownColchester United 2-1 Harrogate Town | Sky Bet League Two |
| 5 | Tue 27 Oct 2020 | 81-2 v Newport CountyNewport County 2-1 Colchester United | Sky Bet League Two |
| 6 | Tue 3 Nov 2020 | 83-1 v StevenageColchester United 3-1 Stevenage | Sky Bet League Two |
| 7 | Tue 10 Nov 2020 | 86-1 v Southend UnitedColchester United 6-1 Southend United | Papa John’s Trophy Group 9 |
| 8 | Sat 14 Nov 2020 | 82-1 v Leyton OrientColchester United 2-1 Leyton Orient | Sky Bet League Two |
| 9 | Fri 20 Nov 2020 | 81-1 v Mansfield TownMansfield Town 1-1 Colchester United | Sky Bet League Two |
| 10 | Tue 24 Nov 2020 | 81-6 v Exeter CityExeter City 6-1 Colchester United | Sky Bet League Two |
| 11 | Sat 16 Jan 2021 | 8 1-1 v Cambridge UnitedColchester United 1-1 Cambridge United | Sky Bet League Two |
| 12 | Sat 23 Jan 2021 | 8 0-3 v MorecambeMorecambe 3-0 Colchester United | Sky Bet League Two |
| 13 | Sun 14 Feb 2021 | 8 2-2 v Mansfield TownColchester United 2-2 Mansfield Town | Sky Bet League Two |
| 14 | Sat 20 Feb 2021 | 80-1 v Crawley TownCrawley Town 1-0 Colchester United | Sky Bet League Two |
| 15 | Tue 9 Mar 2021 | 80-3 v Harrogate TownHarrogate Town 3-0 Colchester United | Sky Bet League Two |
| 16 | Sat 13 Mar 2021 | 8 0-0 v Grimsby TownGrimsby Town 0-0 Colchester United | Sky Bet League Two |
| 17 | Tue 16 Mar 2021 | 80-0 v Salford CitySalford City 0-0 Colchester United | Sky Bet League Two |
| 18 | Sat 20 Mar 2021 | 80-1 v Port ValeColchester United 0-1 Port Vale | Sky Bet League Two |
| 19 | Tue 23 Mar 2021 | 8 2-2 v Tranmere RoversColchester United 2-2 Tranmere Rovers | Sky Bet League Two |
| 20 | Sat 27 Mar 2021 | 81-2 v Bradford CityColchester United 1-2 Bradford City | Sky Bet League Two |
| 21 | Fri 2 Apr 2021 | 80-0 v Bolton WanderersBolton Wanderers 0-0 Colchester United | Sky Bet League Two |
| 22 | Mon 5 Apr 2021 | 81-1 v BarrowColchester United 1-1 Barrow | Sky Bet League Two |
| 23 | Fri 9 Apr 2021 | 82-5 v Oldham AthleticOldham Athletic 5-2 Colchester United | Sky Bet League Two |
| 24 | Sat 17 Apr 2021 | 8 2-1 v WalsallColchester United 2-1 Walsall | Sky Bet League Two |
| 25 | Tue 20 Apr 2021 | 82-0 v Southend UnitedColchester United 2-0 Southend United | Sky Bet League Two |
| 26 | Sat 24 Apr 2021 | 8 0-1 v Cheltenham TownCheltenham Town 1-0 Colchester United | Sky Bet League Two |
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