Kammala jumla mai zuwa: Sankovich ya sanya tawagarsa ta farko ta Belarusiya, a matsayin dan shekara 18, a Wasannin Olympics na bazara na 2008 a Beijing, yana fafatawa a duka tseren mita 100 da kuma tseren tsere. Gabatarwa zuwa Wasannin, ya karya rikodin Belarus kuma ya share FINA B-cut na 56.10 a Gasar Wasanni ta Belarus a Minsk. A tseren mita 100 na baya, Sankovich ya zo na biyu a zafinsa a bayan Omar Pinzón na Colombia da 0.28 na biyu tare da dakika 55.39, amma ya kasa ci gaba zuwa wasan kusa da na karshe, inda ya kammala na ashirin da tara daga cikin 'yan wasa 45 a cikin prelims. Bayan 'yan kwanaki, ya shiga Yauheni Lazuka, Viktar Vabishchevich, da kuma dan wasan Olympics sau biyu Stanislau Neviarouski don
maza 4 × 100 m medley relay. Yin iyo a baya, Sankovich ya yi rikodin lokaci na 55.11 seconds, kuma ƙungiyar Belarusian ta ci gaba da kammala zafin jiki a matsayi na sha shida, don jimlar lokaci na 3:39.39.