Aberavon play Llanelli (3.15pm) and Swansea play Neath (5.20pm) at the Liberty Stadium on Sunday, 19 April in a SWALEC Cup semi-final double-header event and tickets are now available.
And with all four SWALEC Cup semi-final teams coming from the Scarlets and Ospreys regions, regional fans will be able to snap up tickets for Sunday's semi-professional showdown at Saturday evening's west Wales derby match (kick-off 5.30pm).
A SWALEC Cup semi-final ticket booth will be set up in the south east corner of Parc y Scarlets and tickets will be sold from 3.30pm. Tickets are £5 for concessions and £15 for adults. This will be a cash only service.
Tickets are also on sale from the Liberty Stadium ticket office to personal callers, online at www.liberty-stadium.com, by calling 08700 400 004, and from the participating clubs.
The SWALEC Plate and Bowl semi-finals will take place on Saturday 18 April, 2.30pm.
In the Plate, Ammanford take on Rhydyfelin at Glynneath RFC, while Risca play Tredegar Ironsides at Blackwood RFC and in the Bowl competition, Maesteg RFC will host Morriston v Pontyclun and Lampeter Town and Glyncorrwg will play at New Dock Stars. Entry for the Plate and Bowl semi-finals will be pay on the gate, £5 for adults and £2 for concessions.
The finals of the SWALEC Cup, Plate and Bowl will take place at the Millennium Stadium on Saturday 9 May.
Whenever Bedlinog tackle Penallta a massive fixure is guaranteed but this Sunday there will be even more emphasis placed on the two rivals when they contest the SSE Swalec Plate final at Principality Stadium.
Ahead of their SSE SWALEC Bowl Final clash with Taffs Well at Principality Stadium on Sunday, Burry Port share their #FABXV nomination with WRUTV in the search for Welsh rugby's greatest volunteers. Everyone can get involved by sending nominations via twitter to @WRU_Community using the hashtag #FABXV
Cardiff Blues prop Gethin Jenkins and Ospreys centre Ben John look ahead to the first game at Principality Stadium in Saturday's double header which is promising to be a special occasion for all Welsh fans.
Carmarthen Quins Director of Rugby Ian Jones and committee member Jeff Thomas along with Llandovery chairman Handel Davies look ahead to Sunday's SSE SWALEC Cup showdown where both teams are out to prove 'West is best'
SWALEC ambassador Shane WIlliams is looking forward to Sunday's Finals Day where the Cup, Bowl and Plate offers a great opportunity for players and teams to experience the magic of playing at Principality Stadium
Carmarthen Quins coach Richard Kelly believes it is an exciting time to be part of the Scarlets region as his side take on local rivals Llandovery in the SSE Swalec Cup final on Sunday, as WRU TV's Graeme Gillespie discovers