Neath took advantage of Newport's game against Newbridge being called off by joining them at the top of the Welsh Premier League table.
The Welsh All Blacks beat Aberavon 33-21 at the Gnoll - with fly-half Matthew Jones slotting six penalty goals - but are still second on the table because of an inferior try count.
Cardiff's horrible season continued at Llandovery, with the Drovers recording a 31-17 victory after leading 20-5 at the break.
Centre Tal Selley, a loan player from the Llanelli Scarlets, scored a crucial try for the home side, while Cardiff's off-season signing from Swansea, talented youngster Jonny Vaughton, scored his first try for the Blue and Blacks after a lengthy spell out with injury.
The loss consigns Cardiff to second-bottom on the table - above only Ebbw Vale - with five wins from 17 matches.
Llanelli climbed above Cardiff with a convincing 34-21 win over Swansea at Stradey Park.
The Scarlets raced to a 15-3 lead with tries to promising youngster Gavin Quinnell - the 19-stone 'little' brother of Welsh internationals Scott and Craig - and fly-half Ceiron Thomas.
Wales scrum-half Mike Phillips - showing his versatility by playing at fullback - and Canadian prop Jon Thiel added scores to give Llanelli a commanding 27-3 at the break.
The All Whites clawed their way back through an 11-point haul to prolific fly-half Luke Richards, but the Scarlets' victory was never in doubt.
Elsewhere, Caerphilly won a 22-20 thriller against Pontypool at Virginia Park, with winger Ryan Howells scoring the crucial second-half try, and Carmarthen Quins' brave attack on the title continued with a hard-fought 21-13 win over Bridgend.
Bedwas consigned Ebbw Vale to the bottom of the table with a comfortable 26-12 victory at Eugene Cross Park, while 19 points from talented young fly-half Lee Thomas gave Pontypridd a tight 24-23 win over Cross Keys.
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.