Ka cika wannan magana: A Wasannin Olympics na shekara ta 2000 a Sydney, Sitnikov ya yi gasa ne kawai a wasanni biyu na yin iyo. Ya rufe wani FINA B-cut na 51.69 (100 m freestyle) daga Kazakhstan Open Championship a Almaty. A ranar farko ta wasannin, Sitnikov ya sanya na ashirin da daya ga kungiyar Kazakhstan a tseren tseren mita 4 × 100. Haɗuwa tare da Sergey Borisenko, Pavel Sidorov, da Andrey Kvassov a zagaye na uku, Sitnikov ya yi iyo a gaba kuma ya raba kashi 52.56, amma Kazakhs sun zauna ne kawai a matsayi na ƙarshe a cikin lokaci na ƙarshe na 3: 28.90. Kwana uku daga baya, a cikin
100 m freestyle, Sitnikov ya sanya na hamsin da uku a farkon safiya. Yin iyo a cikin zagayen biyar, ya yi tsere zuwa na biyar da 0.15 seconds a gaban Wu Nien-pin na Taipei na kasar Sin a cikin 52.57.