Kammala jumla mai zuwa: Shekaru hudu bayan ya yi gasa a wasannin Olympics na karshe, Sankovich ya cancanci shiga tawagarsa ta biyu ta Belarus, a matsayin dan shekara 22, a wasannin Olympics na bazara na 2012 a London, ta hanyar yin amfani da lokacin shigar da FINA B na 54.56 a cikin
tseren maza na mita 100 a baya. Ya kasance na uku na tseren mita 100 na baya, kuma ya ci nasara tare da sabon rikodin Belarusian na 54.53, amma ya rasa wani wuri a cikin wasan kusa da na karshe ta kashi dari na biyu (0.01) a bayan tsohon dan wasan Olympics Aristeidis Grigoriadis, yana sanya goma sha takwas daga cikin masu iyo 43 a cikin prelims. A cikin nisan mita 100 na malam buɗe ido, Sankovich ya gama tseren a matsayi na talatin da huɗu gaba ɗaya ta kashi bakwai na ɗari na biyu (0.07) a bayan Dominik Meichtry na Switzerland tare da 53.47.