King akatanga mwaka wa2012-13 nekutadza kupinda mumitambo mitatu kubva mumitambo mina yekutanga. Iyo yaakasvika yaive Shanghai Masters, kwaakakunda Zhao Xintong 5<unk>3 mumutambo wewildcard uye mudikani wemuno Ding Junhui 5<unk>4 mumutambo wekutanga, mushure mekudzikira 0<unk>3. Akarasikirwa ne3/5 kuna Shaun Murphy munharaunda inotevera. Mambo akaona Mark Williams 6<unk>3 mumutambo wokutanga we2012 UK Championship, asati atora 3<unk>0 inotungamirira Luca Brecel ane makore 17 kuti arasikirwe 4<unk>6. Akasvikawo padanho rechipiri reGerman Masters nekurova Stephen Maguire 5<unk>0, asi akabva arasikirwa mufuremu rinosarudza kuna Matthew Stevens. King akakundikana kupinda muWorld Open uye akarasikirwa mumutambo wekutanga weWelsh Open neChina Open
. Akatarisana naMark Allen mumutambo wokutanga weWorld Snooker Championship uye akaunza kushamisika kukuru nekurwisa kubva pa6<unk>8 pasi kuti abudise snooker yake yakanakisisa pakupera kwemutambo mukukunda kwe10<unk>8. Akamhanyira mukutungamira 6<unk>2 muchikamu chekutanga chemutambo wake wechipiri wekurwisa Ding Junhui, asati adonha 7<unk>9 kumashure muchikamu chinotevera uye pakupedzisira akarasikirwa 9<unk>13. King akapedza mwaka ari nhamba 29 munyika yose.