Local rivals St Peter's and Cardiff HSOB play a match at the Harlequins Ground, where the 'Rocks' are the hosts, but on a pitch that was once the home of the Old Boys.
Also in the East, Monmouth will be challenged strongly on their fine pitch by Newport HSOB. Something has to give in the West as Milford Haven and Betws near the bbottom of the table, while Amman United face a stern test at home to Llandybie.
Fairwater, yet to concede a point, go to Dowlais in the South-East and Bishops Field will be the scene for a clash of unbeaten clubs Llandaff and enarth, with Rhigos taking on Cowbridge near the foot of the table.
Chris O'Callaghan takes over as Diirector of Rugby at Aberavon Green Stars, who should gain a win at Pyle in the South-West in a Division where Resolven entertain Maesteg Celtic, while in the North, Nant Conwy have a chance for a first win as they take on Dolgellau.
Nearly 40 players were involved in the first Wales Under 18 training session of the season. WRU National Performance Manager Gethin Watts is excited at the potential shown by the group and expects the Regional Under 18 Championship to hone their skills even further.