[2] He made his Russian Football National League debut for Tambov on 4 March 2018 in a game against Rotor Volgograd.

[4] His first season with Krylia Sovetov was extremely productive, Krylia Sovetov won the 2020–21 Russian Football National League and Sergeyev has set a new record for most goals in one season of the Russian second tier, with 39 goals scored as of 5 May 2021.

He made his Russian Premier League debut for Krylia Sovetov Samara on 25 July 2021 in a game against Akhmat Grozny.

[7] On 7 May 2023, Sergeyev scored an added-time winner in a game against Spartak Moscow that secured the 2022–23 Russian Premier League title for Zenit.

[10] He was called up to the Russia national football team for the first time in October 2021 for the World Cup qualifiers against Cyprus and Croatia.