| 2003-12-28 | QPRvColchesterLeague One · England | 2–0 | League One · England |
| 2003-12-26 | ColchestervLutonLeague One · England | 1–1 | League One · England |
| 2003-12-20 | HartlepoolvColchesterLeague One · England | 0–0 | League One · England |
| 2003-12-13 | ColchestervOldhamLeague One · England | 2–1 | League One · England |
| 2003-11-29 | ColchestervPlymouthLeague One · England | 0–2 | League One · England |
| 2003-11-22 | Rushden & DvColchesterLeague One · England | 4–0 | League One · England |
| 2003-11-15 | ColchestervSheffield WedsLeague One · England | 3–1 | League One · England |
| 2003-10-31 | WrexhamvColchesterLeague One · England | 0–1 | League One · England |
| 2003-10-25 | ColchestervChesterfieldLeague One · England | 1–0 | League One · England |
| 2003-10-21 | StockportvColchesterLeague One · England | 1–3 | League One · England |
| 2003-10-18 | GrimsbyvColchesterLeague One · England | 2–0 | League One · England |
| 2003-10-11 | ColchestervBlackpoolLeague One · England | 1–1 | League One · England |
| 2003-10-04 | Notts CountyvColchesterLeague One · England | 3–0 | League One · England |
| 2003-09-30 | ColchestervBrentfordLeague One · England | 1–1 | League One · England |
| 2003-09-27 | ColchestervBournemouthLeague One · England | 1–0 | League One · England |
| 2003-09-20 | PeterborovColchesterLeague One · England | 1–2 | League One · England |
| 2003-09-16 | WycombevColchesterLeague One · England | 1–2 | League One · England |
| 2003-09-13 | ColchestervBrightonLeague One · England | 1–0 | League One · England |
| 2003-09-06 | ColchestervQPRLeague One · England | 2–2 | League One · England |
| 2003-08-30 | TranmerevColchesterLeague One · England | 1–1 | League One · England |
| 2003-08-26 | ColchestervBristol CityLeague One · England | 2–1 | League One · England |
| 2003-08-23 | Port ValevColchesterLeague One · England | 4–3 | League One · England |
| 2003-08-15 | ColchestervSwindonLeague One · England | 0–1 | League One · England |
| 2003-08-09 | BarnsleyvColchesterLeague One · England | 1–0 | League One · England |
| 2003-05-03 | ColchestervQPRLeague One · England | 0–1 | League One · England |
| 2003-04-26 | WycombevColchesterLeague One · England | 0–0 | League One · England |
| 2003-04-21 | ColchestervLutonLeague One · England | 0–5 | League One · England |
| 2003-04-19 | CardiffvColchesterLeague One · England | 0–3 | League One · England |
| 2003-04-12 | ColchestervNotts CountyLeague One · England | 1–1 | League One · England |
| 2003-04-05 | PlymouthvColchesterLeague One · England | 0–0 | League One · England |
| 2003-03-29 | ColchestervSwindonLeague One · England | 1–0 | League One · England |
| 2003-03-22 | BarnsleyvColchesterLeague One · England | 1–1 | League One · England |
| 2003-03-18 | ChesterfieldvColchesterLeague One · England | 0–4 | League One · England |
| 2003-03-15 | ColchestervHuddersfieldLeague One · England | 2–0 | League One · England |
| 2003-03-11 | BrentfordvColchesterLeague One · England | 1–1 | League One · England |
| 2003-03-08 | OldhamvColchesterLeague One · England | 2–0 | League One · England |
| 2003-03-04 | ColchestervNorthamptonLeague One · England | 2–0 | League One · England |
| 2003-03-01 | ColchestervPort ValeLeague One · England | 4–1 | League One · England |
| 2003-02-22 | CheltenhamvColchesterLeague One · England | 1–1 | League One · England |
| 2003-02-14 | ColchestervMansfieldLeague One · England | 1–0 | League One · England |
| 2003-02-08 | Bristol CityvColchesterLeague One · England | 1–2 | League One · England |
| 2003-02-01 | StockportvColchesterLeague One · England | 1–1 | League One · England |
| 2003-01-25 | ColchestervBlackpoolLeague One · England | 0–2 | League One · England |
| 2003-01-18 | WiganvColchesterLeague One · England | 2–1 | League One · England |
| 2003-01-11 | ColchestervCreweLeague One · England | 1–2 | League One · England |
| 2003-01-04 | ColchestervTranmereLeague One · England | 2–2 | League One · England |