After becoming a free agent, Kizito signed a two-year contract with Partizan on 2 July 2010. He made his debut for the club 19 days later, playing the full 90 minutes in a 1–0 win away against Armenian champions Pyunik in the second leg of the 2010–11 UEFA Champions League second qualifying round. During the 2010–11 Serbian SuperLiga, Kizito recorded 14 appearances, all starts, as the club won the championship title. He also helped his team win the 2010–11 Serbian Cup, thus collecting the double. In October 2011, Kizito terminated his contract with Partizan by mutual agreement.