 He than had a brief spell in Kazakhstan, before returning to his former club FC Levadia Tallinn.After leaving Levadia Tallinn, Ratnikov played for Esiliiga club SK Kiviõli Tamme Auto, before returning to the Meistriliiga halfway through the 2012 Season after signing with his father's side JK Tallinna Kalev.Prior to his move to Romania, Ratnikov had spells at Estonian Meistriliiga clubs Maag Tammeka Tartu, Levadia Tallinn and Bulgarian team Beroe Stara Zagora.