Swansea City 0-1 Abergavenny
Abergavenny grabbed a big win away at Swansea to kick off their campaign in style.
Lauren Boyd's winner six minutes from time came after the Swans had controlled large spells of the clash. Stacey John-Davies had gone closest for the home side, having an effort cleared off the line, before Boyd's goal settled the game and saw the visitors take the points.
Reaction from Abergavenny boss Richie Jeramiah
Cardiff Met 3-1 Cyncoed
Reigning champions Cardiff Met took the derby spoils as they beat Cyncoed 3-1.
Caitlan Bevan had put the Mighty Oaks in front seven minutes before the break, but Met responded after half time. Stacey Ailing headed home the equaliser from a deep corner on 58', before firing Met in front from the spot two minutes later after a handball in the box.
Met's third came from another set piece, Rebecca Mathias heading in a corner to ensure the Archers made a winning start.
Briton Ferry Llansawel 0-6 Cardiff City
It was a tough start for newly promoted Briton Ferry as they lost 6-0 at home to Cardiff City.
Catherine Walsh bagged a hat-trick for the visitors who took the early pole position in the table thanks to the emphatic victory.
Walsh had opened the scoring midway through the first half, and the Bluebirds' lead was doubled just before the break through Montana May.
Forward Alana Murphy bagged two goals either side of Walsh's second, before the latter capped off her hat-trick in injury time.
Rhyl 5-0 Caernarfon Town
Ashleigh Mills also scored an opening day hat trick as Rhyl took the northern bragging rights with a big win at home to Caernarfon.
Mills had scored the only goal of the first half, before two in two minutes took the game away from the Cofis, first Mills and then Tonicha Dickens adding to the Lilywhites' lead.
Mills got her third on 75', and Amy Webster rounded things off with nine minutes to play.
Llandudno 2-4 Port Talbot Town
Finally, Port Talbot got their season off to a great start with a 4-2 win away at Llandudno.
The visitors were two up inside 11 minutes thanks to two goals from Courtney Thomas. Fflur Williams had pulled one back for the hosts, but a further two from Jessica Curran was enough to make sure the points went back south with Town, despite Sofie Owen's further consolation for Tudno on 71'.