Cika wannan jumlar: Ya kai zagaye na biyu na gasar cin kofin duniya ta PDC a karon farko a
A shekara ta 2012. A cikin wasa mai tsauri da lambar goma sha huɗu Ronnie Baxter, Farmer ya ragu da 1<unk>2 a cikin mafi kyawun wasanni biyar. Daga nan sai ya samar da wasu daga cikin mafi kyawun darts ta hanyar buga 180's biyar a cikin shan shida daga cikin ƙafafun takwas na ƙarshe don rufe nasarar 3<unk>2. Ya ci gaba da gudana ta hanyar doke dan wasan Jamus Kevin Münch a zagaye na biyu, amma sai James Wade mai lamba uku a duniya ya farfado da shi 0<unk>4 a zagaye na 16. A watan Maris ya buga wasan dart tara a karo na uku na UK Open Qualifier yayin wasan zagaye na farko da Andy Relf. Andy Smith ya fitar da Farmer a cikin 16 na ƙarshe na taron. Farmer ya rasa a zagaye na farko na UK Open 1<unk>4 ga Jamie Lewis, kuma ya kai karshe 16 sau ɗaya a cikin wasannin karshe na goma na 2012, a gasar zakarun na Players Championship inda Gary Anderson ya doke shi 6<unk>1.