[3] Marchenko made his debut in the Kontinental Hockey League (KHL) during the 2017–18 season, with HC Yugra.

After four seasons in the KHL with perennial contending club, SKA Saint Petersburg, Marchenko at the conclusion of the 2021–22 season, opted to pursue a North American career in agreeing to a two-year, entry-level contract with draft club, the Columbus Blue Jackets, on 2 May 2022.

[4] After participating in the Blue Jackets training camp, Marchenko was re-assigned to their American Hockey League (AHL) affiliate, the Cleveland Monsters.

[6] He made his NHL debut the following night, where he played 12 shifts through 10:03 minutes of ice time.

[8] On 7 January 2023, Marchenko recorded his first NHL hat-trick in a Columbus win against the Carolina Hurricanes.