Kammala wannan jumla: A ranar 22 ga Yuni, Jamus ta mamaye Tarayyar Soviet, Operation Barbarossa, ta fara. A ranar 27 ga Yuni, Janar Janar na Red Army kusan ba shi da cikakken bayani daga Yankin Soja na Musamman na Belorussian. Don fayyace halin da ake ciki, Ivanov ya tashi a cikin Ilyushin Il-4 tare da rakiyar mayakan biyu don ganawa da kwamandan gaba Dmitry Pavlov. Bayan ya tashi sama da gungu biyu na tankunan Jamus, jirgin saman Ivanov ya sauka a hedkwatar Rundunar Sojojin Sama ta 3 mai nisa. A ranar 29 ga Yuli, jirginsa ya tashi a wani yunƙuri na neman hedkwatar Pavlov amma an harbe shi. Ivanov da ma'aikatan jirgin sun sami raunin shrapnel, kuma an kwashe shi zuwa Moscow don magani. Bayan ya bar asibiti, ya koyar a Makarantar Soja ta Frunze kuma ya shiga cikin tsaron Moscow, yana taimakawa wajen gina sansanonin kusa da Poklonnaya Hill a watan Satumba. An kwashe shi tare da makarantar zuwa Asiya ta Tsakiya. A watan Maris na shekarar 1942, Ivanov ya zama shugaban ma'aikatan rundunar bindigogi ta 24, wani bangare na rundunar soji ta 60. Ya yi yaƙi a Yaƙin Dnieper a watan Satumba na 1943. Don ayyukansa a lokacin yaƙin, an ba Ivanov lambar yabo ta Red Banner a ranar 20 ga Satumba. Daga nan sai ya yi yaƙi a cikin
Yaƙin Kiev.