| 1 | ShamrockShamrock Rovers6–1 WaterfordWaterford | 5 | 7 | 21 Sept 2020 |
| 2 | ShamrockShamrock Rovers6–0 Cork CityCork City | 6 | 6 | 21 Feb 2020 |
| 3 | ShamrockShamrock Rovers3–2 DundalkDundalk | 1 | 5 | 28 Feb 2020 |
| 3 | Sligo RoversSligo Rovers2–3 ShamrockShamrock Rovers | 1 | 5 | 7 Mar 2020 |
| 3 | WaterfordWaterford2–3 Finn HarpsFinn Harps | 1 | 5 | 23 Aug 2020 |
| 3 | DundalkDundalk3–2 ShelbourneShelbourne | 1 | 5 | 11 Sept 2020 |
| 3 | Finn HarpsFinn Harps3–2 St Pat'sSt Patrick's Athletic | 1 | 5 | 28 Oct 2020 |
| 8 | Finn HarpsFinn Harps0–4 DundalkDundalk | 4 | 4 | 6 Mar 2020 |
| 8 | DundalkDundalk0–4 ShamrockShamrock Rovers | 4 | 4 | 27 Sept 2020 |
| 8 | ShamrockShamrock Rovers4–0 Sligo RoversSligo Rovers | 4 | 4 | 2 Oct 2020 |
| 8 | ShamrockShamrock Rovers3–1 Finn HarpsFinn Harps | 2 | 4 | 1 Aug 2020 |
| 8 | DerryDerry City3–1 Cork CityCork City | 2 | 4 | 21 Aug 2020 |
| 8 | Sligo RoversSligo Rovers3–1 DundalkDundalk | 2 | 4 | 22 Aug 2020 |
| 8 | Sligo RoversSligo Rovers3–1 Finn HarpsFinn Harps | 2 | 4 | 7 Sept 2020 |
| 8 | ShelbourneShelbourne1–3 BohemiansBohemians | 2 | 4 | 3 Oct 2020 |
| 8 | DundalkDundalk2–2 WaterfordWaterford | 0 | 4 | 14 Aug 2020 |
| 17 | DundalkDundalk3–0 Cork CityCork City | 3 | 3 | 24 Feb 2020 |
| 17 | Cork CityCork City3–0 Sligo RoversSligo Rovers | 3 | 3 | 14 Aug 2020 |
| 17 | WaterfordWaterford3–0 St Pat'sSt Patrick's Athletic | 3 | 3 | 4 Sept 2020 |
| 17 | Cork CityCork City0–3 ShamrockShamrock Rovers | 3 | 3 | 12 Sept 2020 |
| 17 | BohemiansBohemians3–0 Cork CityCork City | 3 | 3 | 9 Oct 2020 |
| 17 | ShelbourneShelbourne1–2 DundalkDundalk | 1 | 3 | 21 Feb 2020 |
| 17 | WaterfordWaterford2–1 DerryDerry City | 1 | 3 | 6 Mar 2020 |
| 17 | BohemiansBohemians2–1 DundalkDundalk | 1 | 3 | 7 Aug 2020 |
| 17 | Sligo RoversSligo Rovers2–1 ShelbourneShelbourne | 1 | 3 | 8 Aug 2020 |
| 17 | DerryDerry City1–2 ShamrockShamrock Rovers | 1 | 3 | 9 Aug 2020 |
| 17 | Sligo RoversSligo Rovers2–1 WaterfordWaterford | 1 | 3 | 18 Aug 2020 |
| 17 | BohemiansBohemians2–1 DerryDerry City | 1 | 3 | 25 Sept 2020 |
| 17 | Cork CityCork City1–2 St Pat'sSt Patrick's Athletic | 1 | 3 | 3 Oct 2020 |
| 17 | DerryDerry City1–2 DundalkDundalk | 1 | 3 | 19 Oct 2020 |
| 17 | Sligo RoversSligo Rovers2–1 Cork CityCork City | 1 | 3 | 24 Oct 2020 |
| 17 | St Pat'sSt Patrick's Athletic1–2 BohemiansBohemians | 1 | 3 | 9 Nov 2020 |
| 33 | Sligo RoversSligo Rovers0–2 St Pat'sSt Patrick's Athletic | 2 | 2 | 21 Feb 2020 |
| 33 | WaterfordWaterford0–2 BohemiansBohemians | 2 | 2 | 21 Feb 2020 |
| 33 | WaterfordWaterford0–2 ShamrockShamrock Rovers | 2 | 2 | 24 Feb 2020 |
| 33 | BohemiansBohemians2–0 Sligo RoversSligo Rovers | 2 | 2 | 24 Feb 2020 |
| 33 | DerryDerry City2–0 BohemiansBohemians | 2 | 2 | 28 Feb 2020 |
| 33 | BohemiansBohemians2–0 ShelbourneShelbourne | 2 | 2 | 6 Mar 2020 |
| 33 | DerryDerry City0–2 Sligo RoversSligo Rovers | 2 | 2 | 31 Jul 2020 |
| 33 | St Pat'sSt Patrick's Athletic0–2 DerryDerry City | 2 | 2 | 3 Aug 2020 |
| 33 | St Pat'sSt Patrick's Athletic2–0 Finn HarpsFinn Harps | 2 | 2 | 7 Aug 2020 |
| 33 | BohemiansBohemians2–0 St Pat'sSt Patrick's Athletic | 2 | 2 | 22 Aug 2020 |
| 33 | BohemiansBohemians0–2 WaterfordWaterford | 2 | 2 | 11 Sept 2020 |
| 33 | St Pat'sSt Patrick's Athletic2–0 ShelbourneShelbourne | 2 | 2 | 26 Sept 2020 |
| 33 | DerryDerry City2–0 WaterfordWaterford | 2 | 2 | 2 Oct 2020 |
| 33 | Cork CityCork City0–2 DundalkDundalk | 2 | 2 | 13 Oct 2020 |
| 33 | DerryDerry City2–0 ShelbourneShelbourne | 2 | 2 | 23 Oct 2020 |
| 33 | BohemiansBohemians0–2 Finn HarpsFinn Harps | 2 | 2 | 24 Oct 2020 |
| 33 | Finn HarpsFinn Harps0–2 ShamrockShamrock Rovers | 2 | 2 | 1 Nov 2020 |
| 33 | ShamrockShamrock Rovers2–0 DerryDerry City | 2 | 2 | 7 Nov 2020 |