 Pari gbolohun ti o tẹle: Ni Oṣu Karun ọdun 1919, Denisenko ni a ṣe akojọ sinu Ọmọ ogun Pupa ati pe a fi si ile-iṣẹ 3rd Lebedinsky Guard gẹgẹbi ọkunrin Ọmọ ogun Pupa ṣaaju ki o to firanṣẹ si batalionu ifipamọ ti Ogun 8th ati lẹhinna 102nd Rifle Regiment ti Ẹka Ọkọ 12th. Pẹlu ẹka naa, o ja ni awọn iṣẹ-ṣiṣe lodi si ọmọ ogun Anton Denikin ni Don ati ni Donbass ni ọdun 1919. Lati Oṣu kejila ọdun 1919, Denisenko ja pẹlu Ẹka Ọta Ọta 45th lakoko Iṣẹ Odessa ati awọn : Ìkọlù Kiev. Lati opin Oṣu kọkanla ọdun 1920, o jẹ oṣiṣẹ iṣelu ti ile-iṣẹ ni awọn ọmọ ogun 420th ati 397th ti Ẹgbẹ Ọta 47th. Ní ọdún 1920, Denisenko dara pọ mọ Ẹgbẹ Kọmúníìsì. 