Play is a straight knock-out. The four semi finalists from the previous season were given a bye to the second round. They are holders Cardiff City Ladies, runners up Cardiff Met. Ladies (formerly UWIC), as well as semi-finalists Swansea City and (formerly Trefelin).
a Game was originally drawn to be played at Cyncoed Ladies.
Second round[]
Round was played on 21 and 28 October 2012. The match between Caernarfon Town and Llanidloes has been switched to a home tie at Llanidloes after it was postponed to 4 November due to bad weather.