Gameplan
| Date | Round | Match | Match | Res. | Attendance | |
|---|---|---|---|---|---|---|
| 04.04.2022 |  | Matchday 2 | Treaty United - Athlone Town | - Ath | 2:0 | |
| 13.05.2022 | | Matchday 16 | Treaty United - Bray Wanderers | - Bra | 2:2 | |
| 20.05.2022 | | Matchday 17 | Treaty United - Cobh Ramblers | - Cob | 2:2 | |
| 17.06.2022 | | Matchday 20 | Treaty United - Athlone Town | - Ath | 2:1 | |
| 27.06.2022 | | Matchday 22 | Treaty United - Cork City | - Cor | 0:5 | |
| 02.09.2022 | | Matchday 30 | Treaty United - Cobh Ramblers | - Cob | 1:0 | |
| 09.09.2022 | | Matchday 31 | Treaty United - Bray Wanderers | - Bra | 2:1 | |
| 16.09.2022 |  | Quarter-finals | Treaty United - UC Dublin | - UC | 4:1 | |
| 30.09.2022 | | Matchday 33 | Treaty United - Galway | - | 1:1 | |
| 21.10.2022 | | Matchday 36 | Treaty United - Wexford FC | - | 0:2 | |
| 26.10.2022 |  | 1. Round First leg | Treaty United - Waterford | - Wat | 1:4 | |
| 04.11.2022 | | 2. Round | Galway - Waterford | - Wat | 0:3 |