| 1. Round | 03/11/2021 | Treaty United | - | UC Dublin | 0:3 | ||||
| 2. Round | 19/11/2021 | Bray Wanderers | - | UC Dublin | 0:2 | ||||
| Final | 26/11/2021 | Waterford FC | - | UC Dublin | 1:2 |
| 1. Round | 03/11/2021 | Treaty United | - | UC Dublin | 0:3 | ||||
| 2. Round | 19/11/2021 | Bray Wanderers | - | UC Dublin | 0:2 | ||||
| Final | 26/11/2021 | Waterford FC | - | UC Dublin | 1:2 |
| Sean Anthony Brennan | |
| Born: | 05.07.2001 |
| Place of birth: |
Blanchardstown, Dublin, 
Ireland |
| Nationality: |
Ireland
|
| Height: | 181 cm |
| Weight: | 68 kg |
| Position(s): | Offensive Midfielder Central Midfielder |
| Foot: | right |