Cika wannan jumla: Lee ya fara kakar 2011-12 a matsayin mai lamba 18 kuma ya rasa a cikin cancantar zuwa
Australian Goldfields Open da kuma zagaye na farko na Shanghai Masters. Koyaya, yana da kyakkyawan tsari a cikin abubuwan da suka faru na PTC ta hanyar kaiwa wasan kusa da na karshe na abubuwan da suka faru na 3 da 4 kuma ya tafi daya mafi kyau a cikin taron na 6, kamar yadda ya yi rashin nasara ga Neil Robertson a cikin 4 na ƙarshe. Wannan yana nufin cewa Lee ya koma saman 16 a watan Oktoba, kamar yadda ya kasance na 13 kuma saboda haka ya sami damar shiga cikin abubuwan da ke faruwa a gaba. Ya yi rashin nasara a zagaye na farko na gasar zakarun Burtaniya ta 2011 kuma a Masters na Jamus ya kai wasan kusa da na karshe tun bayan gasar cin kofin Arewacin Ireland ta 2006, amma ba zai iya wuce Ronnie O'Sullivan ba, wanda ya ci 6<unk>4. Daga nan ya kai wasan kusa da na karshe na Welsh Open, inda aka dakatar da shi ta hanyar wayar hannu da ke ringing a baya-swing a cikin yanke shawara game da Ding Junhui kuma ya ci gaba da rasa wasan. Ya yi amfani da takaici daga abin da ya faru don sakamako mai kyau duk da haka, kamar yadda ya doke Dominic Dale, Neil Robertson, Graeme Dott da Robert Milkins don isa wasan karshe na Open Open, na farko tun lokacin da aka bude Welsh Open a 2006. Ya buga Mark Allen, amma an mamaye shi gaba ɗaya, yayin da ya rasa wasan 1 <unk> 10.