In the only game of the day in Division One West Maesteg grabbed a 24-15 win over mid-table rivals Carmarthen Athletic in a game which will be remembered for four yellow cards handed out to the home side.
A try from Nathan White and a penalty from Robert Evans had helped Maesteg to a 10-8 half-time lead, despite referee Greg Morgan brandishing yellow cards to Steve Tremlett and Paul Clapham for killing the ball.
Tries from Chris Bowridge and Rhodri Milson put the game beyond Carmarthen after the break, before sin-bins for Dean Ronan and David Dyer saw Maesteg reduced to 13 men for 10 minutes in the closing stages.
A Maesteg spokesperson said: "I've never seen a refereeing performance like that in 30 years. But despite that, we produced an amazing display full of guts and courage."
Leaders Builth Wells fell to a shock 21-10 defeat against strugglers Penclawdd, and Mumbles came out on 18-16 winners in a thrilling game between the two bottom of the table rivals.
Aberystwyth continued their dominance at the top of Division Three West, running in six tries on their way to a 36-9 demolition of Tumble. Crymych were the other big scorers of the day, with a 33-0 win against Laugarne.
Aberavon Quins remain on top of Division Three South West after their 39-5 win against Briton Ferry. Second-placed Tondu are hot on their heels after scoring nine tries as they thrashed Seven Sisters 59-0.
Division Four West leaders Llandeilo are now red hot favourites for the title after a convincing 37-0 win over second-placed Tenby put them eight points clear at the top.
Bryncoch stay top of Division Four South West after they grabbed a 15-8 away win against Pontycymmer.
Cefneithin showed why they are top of the table with a massive 102-3 win over strugglers Swansea Uplands. The home side scored 16 tries in an emphatic display.
In the only game in Division Five South West, New Dock Stars beat Llandybic 24-22.
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.