Kirill started playing football at the age of 4. In 1993, Kirill and his brother Dmitri joined the Spartak Moscow football academy. After a conflict with the school coaches, the brothers left Spartak and joined the Dynamo Moscow academy.
Kirill made his first appearance for the main squad of Dynamo on 20 September 2006 in a Russian Cup game against Spartak Nizhny Novgorod.
In August 2010, the Kombarov brothers left Dynamo Moscow for their city rivals Spartak Moscow where they started their football education.[1]