| Starting Appearances - Declan Mcmanus | Starting | Sub (Used) | Sub (Unused) | All |
|---|
| 14 July 2018 | Scottish League Cup | Ross County 2:0 Elgin City | details |
| 17 July 2018 | Scottish League Cup | Ross County 1:0 Dundee United | details |
| 28 July 2018 | Scottish League Cup | Alloa Athletic 0:2 Ross County | details |
| 04 August 2018 | Scottish Championship | Ross County 1:0 Alloa Athletic | details |
| 11 August 2018 | Scottish Championship | Dunfermline Athletic 1:3 Ross County | details |
| 19 August 2018 | Scottish League Cup | Hibernian 3:2 Ross County | details |
| 25 August 2018 | Scottish Championship | Greenock Morton 2:1 Ross County | details |
| 15 September 2018 | Scottish Championship | Queen of the South 0:0 Ross County | details |
| 13 October 2018 | Scottish Challenge Cup | Ross County 3:1 Montrose | details |
| 17 November 2018 | Scottish Challenge Cup | Motherwell Colts (U 21) 1:2 Ross County | details |
| 24 November 2018 | Scottish Championship | Ross County 2:1 Dunfermline Athletic | details |
| 01 December 2018 | Scottish Championship | Alloa Athletic 0:1 Ross County | details |
| 19 January 2019 | Scottish Cup | Motherwell 1:2 Ross County | details |
| 26 January 2019 | Scottish Championship | Ross County 2:0 Alloa Athletic | details |
| 02 February 2019 | Scottish Championship | Dunfermline Athletic 1:2 Ross County | details |
| 15 February 2019 | Scottish Challenge Cup | Ross County 2:1 East Fife | details |
| 09 March 2019 | Scottish Championship | Ross County 2:0 Greenock Morton | details |
| 23 March 2019 | Scottish Challenge Cup | Ross County 3:1 Connah`s Quay Nomads | details |
| 02 April 2019 | Scottish Championship | Inverness Caledonian Thistle 1:2 Ross County | details |
| 05 April 2019 | Scottish Championship | Ross County 1:1 Dundee United | details |
| 04 May 2019 | Scottish Championship | Falkirk 3:2 Ross County | details |