Treherbert have returned to the top of the South-East and their match at Taffs Well will follow the Deaf international of Wales and England in a gooddouble-header. Gilfach Goch will be home to Pentyrch, but Nantymoel are without a match.
Top of the East games will be at Llanishen, where NewportSaracens are powerful visitors, despite having lost in midweek at home to Abercarn. Leaders Senghenydd have a massive game at Brynithel.
In the West, Kidwelly must defeat Lampeter to catch leaders Pontyberem, who are without a match, while in the South-West, leaders and Silver Ball finalists Banwen face a daunting task at Bryncoch and Mumbles face Maesteg quins as the top four clash.
Llanelli Wanderers have to defeat Llandybie in the West and then sit back to watch what happens to the two matches to be played by Pembroke Dock Quins and the three by Loughor - the latter going to lowly Tycroes.
Ruthin have almost taken the North title and hope to take a step closer by beating Newtown, while second-placed Nant Conwy need a win at Wrexham.
Blaina have clinched runners-up to Bargoed in the East and end their Central Park games by meeting lively Cardiff HSOB, as third-placed St Peter's travel to Ynysddu.
In the South-East, Fairwater are at Ashcroft Park, needing to defeat Cowbridge to keep up their bid for title glory over Pontycymmer and abercwmboi and in the South-West, lead Taibach by one point with both having one match to play. Third-placed Alltwen are on hand if either slip up.
Key match in the South-East is the runners-up battle between Llandaff North and Llantwit Major at Hailey Park, while in the South-West there vital away matches or the top three clubs - Tonna at Cwmgwrach; Resolven at Neath Athletic and Aberavon Green Stars at Porthcawl.
Oakdale face a late challenge from Nantyglo as runners-up in the East, when the clubs meet at the latter's ground, while in the North, leaders Denbigh are at home to Llanidloes and Colwyn Bay go to Bro Ffestiniog. The battle for the West
title will see Crymych at home to St David's and Cefneithin travelling to