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.
As the countdown continues for RWC2015, Tournament Chief Executive Debbie Jevans visited the Millennium Stadium to discuss preparations for the eight matches and reveal the positive news that 100,000 tickets for games at the home of Welsh rugby have sold in the last seven days.
Jason Harries is targeting a first win on the World Series circuit this season with Wales. The series returns to action this weekend in Dubai where Harries is part of a team hoping to build from its efforts in round one in October.
Wales skipper Jevon Groves says his side have addressed a few points from Gold Coast and aim to 'hit the ground running' in the next two rounds of the World Series, kicking off with this weekend in Dubai before heading off to South Africa next week.
Wales Sevens manager Steff Thomas is hopeful his side can build from a quarter-final spot in the opening round of the World Series in Australia when his side take part in the forthcoming double header in Dubai and South Africa.