Carmarthen Quins came within inches of causing an upset against SWALEC Cup holders Neath.
Quins winger Ryan Llewellyn crashed over for a dramatic try in stoppage time to bring the scoreline back to 22-20 in Neath's favour.
But they missed out on a shot at extra-time as Quins outside-half Gareth Cull saw his conversion attempt shave the post.
Centre Luke Ford's try for Neath eight minutes from time proved to be the match winner.
Division One West club Tonmawr also failed to take their chance of an upset, losing 23-16 at home to Premiership Glamorgan Wanderers.
With the game locked at 16-16, Wanderers capitalised on the sin-binning of hooker Rhys Lawrence as winger Jamie Jones scored the game winning try with ten minutes left.
Llantwit Fardre, the lowest ranked team left in the competition, could not fashion a shock as they were hammered 74-0 at Aberavon.
The Division Three South East leaders, who had been unbeaten in 18 games, were sent crashing out by the Premiership side who scored 11 tries, including two each for centre Richard Thomas and No8 Rory Gallacher.
Caerphilly are now the only non-Premiership club remaining in the Swalec Cup after they won an all-Division One East tie at Rumney 17-12.
Outside-half Dan Ellis scored the Cheesemen's only try and kicked the rest of their points.
In three all-Premiership clashes, Cross Keys edged out Pontypridd 27-26, Swansea won at Ebbw Vale 23-13 and Newport beat Llandovery 38-18.
Angus O'Brien has quickly settled into the Wales Sevens squad after solid performances in Hong Kong and Japan. With two rounds remaining in Glasgow and Twickenham on the World Series, WRU TV's Graeme Gillespie chats to the rising star.
Wales winger Luke Morgan has established himself as one of the deadliest finishers on the Sevens World Series. WRU TV's Graeme Gillespie catches up with him on the eve of this weekend's round in Glasgow.
All roads lead to Cardiff on Sunday for the SSE SWALEC Finals Day at the Millennium Stadium. Cambrian Welfare tackle Ystradgynlais in the Bowl final, Ystrad Rhondda play Newcastle Emlyn in the Plate final while defending champions Pontypridd face Bridgend in the Cup final.
WRU Chief Executive Roger Lewis, Deputy Minister for Culture, Sport and Tourism Ken Skates and WRU Chairman Gareth Davies earlier this week launched a new competition in conjunction with the WRU unveiling its archive room.
Welsh players and management joined Deputy Minister for Sport Ken Skates at the Pierhead Building, Cardiff Bay earlier this week to reveal the Union's pioneering school-club hub initiative has been so successful the project will now almost double the scale of the original project.
The Scarlets, Newport Gwent Dragons, Cardiff Blues and the Ospreys look ahead to Judgement Day III which sees the Blues take on the Ospreys (2.30) and the Dragons tackle the Scarlets (4.45pm) at the Millennium Stadium tomorrow afternoon.
Ystradgynlais and Ynysddu played out a titanic struggle at Taffs Well in the SSE SWALEC Bowl semi-final. At the end of the game neither team could be separated after a 15-15 stalemate but Ystradgynlais go through on try count.
Blues strike first in JD III battle - Newport Gwent Dragons lock Andrew Coombs, WRU referee Dylan Llyr Jones and Cardiff Blues hooker Matthew Rees decide dressing room allocations for Judgement Day III
Wales Under 18 captain Calum Haggett has received a conditional offer to read Biomedical Science at St Anne's College, Oxford. WRU chairman Gareth Davies went to meet Calum and Coleg y Cymoedd Principal Judith Evans to wish him luck in his exams and pass on some of his personal experience.