Junior 1 T20 Plate 2023
| Group A | Group B |
| CIYMS II Donacloney Mill II Instonians II Waringstown II |
CSNI II Lisburn II Muckamore II Woodvale II |
5-May-23 – Match Week 1
Group A
CIYMS II v Waringstown II
Donacloney Mill II v Instonians II
Group B
Lisburn II v CSNI II
Woodvale II v Muckamore II
19-May-23 – Match Week 2
Group A
Instonians II v CIYMS II
Waringstown II v Donacloney Mill II
Group B
CSNI II v Woodvale II
Muckamore II v Lisburn II
2-Jun-23 – Match Week 3
Group A
CIYMS II v Donacloney Mill II
Instonians II v Waringstown II
Group B
Lisburn II v Woodvale II
Muckamore II v CSNI II
23-Jun-23 – Semi Final
1 Winner Group A v Runner-up Group B
2 Winner Group B v Runner-up Group A
6-Aug-23 – Final (*Neutral Venue)
Winner Semi Final 1 v Winner Semi Final 2