[1] He made his Junior Hockey League (MHL) debut with Stalnye Lisy during the 2019–20 season.
[5][6] Nabokov became a KHL regular in 2023–24, taking on a starter role due to the departure of Edward Pasquale and recording a .930 save percentage in 43 games.
[7][8] His first KHL start came on September 9, 2023, a 4–3 opening night victory over HC Vityaz in which he made 23 saves on 26 shots.
[6] In 22 playoff games, Nabokov recorded a .941 save percentage, and in Metallurg's Gagarin Cup finals sweep of Lokomotiv Yaroslavl he allowed only three goals.
[14] He won the 2024 Channel One Cup with Russia, appearing in all three matches and earning best goaltender honors for the event.