 In 1782 Prince Potemkin charged to him an operation in the Crimea.Following that Tormasov commanded the Dolmatsky Hussars, on the base of which he formed and led the Aleksandrian light cavalry regiment with the rank of colonel.In 1788–1791 he took part in the Russo-Turkish War, serving at the Siege of Ochakov and the Danube river raids, and was promoted to major general on 21 March 1791.