In the West, three clubs have 15 points, but Gorseinon have lost a match and face a hard match away to Pembroke Quins, while Loughor go to Haverfordwest and Aberystwyth are at home to Tenby Utd.
South-East leaders Rhydyfelin take on a fast-improving Barry team, but the three challenging clubs are all away from home as Glifach Goch go to Abercwmboi; Mountain Ash play at Pentyrch and Ruthin have a tough match at Nelson.
Bryncoch could pull further away from the chasing group in the SouthWest if they defeat Seven Sisters and Aberavon Quins, Cwmgors and Kenfig Hill slip up from away matches.
