Winner
| Wild Card | Semifinal | Shamrock Bowl XXXII |
|---|---|---|
| Dublin Rebels | ||
August 5, 2018  30-26  | ||
| Dublin Rebels | ||
| Belfast Trojans | August 12, 2018 16-18 | |
July 22, 2018 59-13  | ||
| Belfast Trojans | ||
| Belfast Knights | ||
| UCD | ||
August 5, 2018  13-14 | ||
| Cork Admirals | ||
| Cork Admirals | ||
July 22, 2018 31-24  | ||
| Cork Admirals | ||
| South Dublin Panthers |
| Wild Card | Semifinal | Shamrock Bowl XXXII | Semifinal | Wild Card |
|---|---|---|---|---|
| Dublin Rebels | UCD | |||
August 5, 2018 30-26 | August 5, 2018 13-14 | |||
| Dublin Rebels | ||||
August 12, 2018 16-18 | ||||
| Belfast Trojans | Cork Admirals | Cork Admirals | ||
July 22, 2018 59-13 | July 22, 2018 31-24 | |||
| Belfast Trojans | Cork Admirals | |||
| Belfast Knights | South Dublin Panthers |