| 1 | Sat 13 Oct 2018 | 0-0 v BohemiansBohemians 0-0 Sutton United | IRN-BRU Cup Third Round |
| 2 | Sat 17 Nov 2018 | 0-0 v GatesheadGateshead 0-0 Sutton United | National League |
| 3 | Tue 20 Nov 2018 | 1-1 v Slough TownSlough Town 1-1 Sutton United | Emirates FA Cup First Round Replay |
| 4 | Sat 5 Jan 2019 | 2-1 v Harrogate TownSutton United 2-1 Harrogate Town | National League |
| 5 | Sat 19 Jan 2019 | 2-3 v EastleighEastleigh 3-2 Sutton United | National League |
| 6 | Sat 26 Jan 2019 | 1-0 v Ebbsfleet UnitedSutton United 1-0 Ebbsfleet United | National League |
| 7 | Sat 9 Feb 2019 | 1-0 v BarnetBarnet 0-1 Sutton United | National League |
| 8 | Sat 16 Feb 2019 | 0-1 v BarrowSutton United 0-1 Barrow | National League |
| 9 | Tue 19 Feb 2019 | 0-0 v BarnetSutton United 0-0 Barnet | National League |
| 10 | Sat 23 Feb 2019 | 0-1 v Dagenham & RedbridgeDagenham & Redbridge 1-0 Sutton United | National League |
| 11 | Tue 5 Mar 2019 | 0-2 v Salford CitySalford City 2-0 Sutton United | National League |
| 12 | Sat 9 Mar 2019 | 0-1 v Maidenhead UnitedMaidenhead United 1-0 Sutton United | National League |
| 13 | Tue 12 Mar 2019 | 0-3 v Braintree TownSutton United 0-3 Braintree Town | National League |
| 14 | Sat 16 Mar 2019 | 4-2 v GatesheadSutton United 4-2 Gateshead | National League |
| 15 | Sat 23 Mar 2019 | 0-3 v ChesterfieldChesterfield 3-0 Sutton United | National League |
| 16 | Sat 13 Apr 2019 | 1-2 v Leyton OrientSutton United 1-2 Leyton Orient | National League |
| 17 | Fri 19 Apr 2019 | 0-1 v WrexhamWrexham 1-0 Sutton United | National League |
| 18 | Mon 22 Apr 2019 | 2-2 v Maidstone UnitedSutton United 2-2 Maidstone United | National League |
| 19 | Sat 27 Apr 2019 | 0-3 v Dover AthleticDover Athletic 3-0 Sutton United | National League |
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