Neath will delay naming their team for the game against Pontypridd at The Gnoll on Monday, 30 December until the day of the game.
Having picked up a number of injuries during the 23-14 defeat by Swansea at St Helen's on Friday night, coach Lyn Jones will receive fitness reports on Monday morning.
Former Wales hooker Barry Williams damaged his ribs at a collapsed scrum, while outside half Lee Jarvis took a blow to the head in a tackle. Other players are also carrying bumps and bruises.
Neath face Pontypridd on Monday (kick-off 2.30 pm) and then meet Cardiff in the Celtic League semi-final at The Gnoll on Saturday (kick-off 5.30pm). Tickets for that game are available from the Neath club (01639 769660).
The winners of the semi-final on Saturday will meet the winners of the first semi-final, between Munster and Ulster on Friday night, at the Millennium Stadium on 1 February.
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.