Пермь Великая
Korobkov grew up in the junior teams of Ural Great Perm, and last played there for their Under-23 team in the 2008–09 season. After going undrafted in the 2012 NBA draft, he signed with Russian VTB United League team Nizhny Novgorod. In his second season (2013–14), he averaged 10.5 points in the VTB United League playoffs, to lead his team to a second place finish, and its first ever EuroLeague berth.