Korovin began learning to skate in 1999. He switched from single skating to pairs in 2010. Competing with his first partner, Alexandra Minina, he placed ninth at the 2013 Russian Junior Championships. He teamed up with Alisa Efimova in 2014. Their international debut came in February 2016 at the Hellmut Seibt Memorial. They won the silver medal, finishing second to Italy's Valentina Marchei / Ondřej Hotárek.