The No 8 seeds will then take on France four days later on the Durban University ground and then meet Argentina on April 4 at the Woodburn ground.
A squad of 26 has been selected with 12 backs and 14 forwards under coach DavidRees. This season has seen them defeat Italy by 38-0 at Ebbw Vale, Scotland by 21-12 at Aberavon and Irerland by 32-14 in Cork, before losing last week to France at Bridgend by 25-14.
The squad is - (backs) Ricky Williams (Llandovery), Matthew Jeffery (Bridgend), Chris Czekaj (St David's Coll), Aled Brew (Neath Ath), Andrew Bishop, Tom Riley, David Flanagan (all Pontypridd), Dafydd Hewiit, David Walsh (both Cardiff), Aled Thomas (UWIC), Nicky Griffiths (London Wasps), Tom Cheeseman (Swansea). (forwards) Nathan Trevett, Philip Osborne (both Cardiff), William R Jones (St Peter's), Justin Benfield (St David's Coll), Craig Mitchell (Tonna), Craig Everett(Llangennech), Dominic Day (Carmarthen Quins), Ian Jones (Llanelli), Ed Shervington, William Waldron (both Gloucester), Rhys Shellard, Duane Goodfield (capt) (both Pontypridd), Alun Wyn Jones (Llandovery Coll), Tom Smith (Neath Ath)