Kammala jumla mai zuwa: A watan Mayu na 2013, Robertson ya yi karo na biyu mafi girma na aikinsa a cikin Wuxi Classic mai cancanta da Mohamed Khairy. A babban matakin gasar, ya doke John Higgins 10<unk>7 a wasan karshe don tabbatar da taken sa na takwas. Ya zo daga 2<unk>5 a baya a kan Higgins don jagorantar 8<unk>5 kafin ya tsayayya da fada don kammala nasara da tabbatar da nasararsa ta biyu a jere a China. A gasarsa ta gida,
Australian Goldfields Open, ya wuce zagaye na biyu a karo na farko a cikin wasanni uku na taron, kafin ya ci gaba da gudana ta hanyar doke Joe Perry 5<unk>2 a wasan kusa da na karshe da Mark Selby 6<unk>3 a wasan kusa da na karshe. Zai zama mutum na farko tun lokacin da Ronnie O'Sullivan a 2003 ya lashe baya zuwa baya a jerin abubuwan da suka faru a wannan kakar, amma ya rasa 6<unk>9 zuwa Hong Kong Marco Fu a karshe. A ranar 8 ga Disamba, 2013, Robertson ya doke Mark Selby 10<unk>7 a wasan karshe na Gasar Burtaniya, ya zama dan wasa na farko na kasashen waje da ya lashe dukkan wasannin Triple Crown.