Head coach Chris Horsman’s team have won both their games in the series so far, against Scotland and Canada at the BT Sport Cardiff Arms Park and Parc y Scarlets respectively.
Two matches are to be played on the pitch at the CCB Centre for Sporting Excellence before Wales meet Ireland, with Italy v Canada (12:00) and England v Scotland (15:45) both in action.
Wales team to face Ireland
15 James McCarthy (Dragons/Caerleon/Newport High/NHSOB)
14 Tomi Lewis (Scarlets/Coleg Sir Gar/Scarlets Academy)
13 Tom Hoppe (Dragons/Newport High/NHSOB)
12 Callum Carson (Ospreys/Gower College/Gowerton)
10 Cai Evans (Ospreys/Cowbridge Comprehensive/Cowbridge)
9 Harri Morgan (Ospreys/Llangynwyd/Bryncethin)
1 Rhys Davies (Scarlets/Coleg Sir Gar/Carmarthen Quins)
2 Morgan Nelson (Exiles/Hartpury College/Hereford)
3 Ben Warren (Blues/Coleg y Cymoedd/Treorchy)
4 Cian Lewis-Hughes (Blues/Coleg y Cymoedd/Treorchy)
5 Morgan Jones (Exiles/Denstone College/Hinckley)
6 Lennon Greggains (Dragons/Newport High/NHSOB)
7 Tommy Reffell (Exiles/Wyggeston and Queen Elizabeth/Pencoed)
8 Taine Basham (Dragons/Pontypool College/Talywain)
Replacements
16 Lewis Ball (Dragons/Coleg Gwent/Newbridge)
17 Tom Devine (Dragons/Coleg y Cymoedd/Senghennydd)
18 Kemsley Mathias (Scarlets/Sir Thomas Picton/Narberth)
19 Callun James (Blues/Coleg y Cymoedd/Brecon)
20 Daniel Owen (RGC/Rydal/Cobra)
21 Aron Hemmings (Scarlets/Llandovery College/Gwernyfed)
22 Llew Smith (Scarlets/Coleg Sir Gar/Scarlets Academy)
23 Scott Lloyd (Scarlets/Coleg Sir Gar/Scarlets Academy)
24 Ioan Davies (Blues/Glantaf/St Peter’s)
Tickets will be available from the WRU truck at the venue. They will priced at £5 for adults (free for U16s), for which supporters will be able to watch all three games on the day. Re-entry not permitted.