Rubuta ci gaba don wannan sakin layi - Bayan karɓar ƙarfafawa, 121st ya shiga rundunar 40 a watan Fabrairun 1942 kuma ya kare matsayi kusa da Tim daga Novo-Aleksandrovskoye zuwa Polevoye. Don ayyukansa, an ba Zykov lambar yabo ta uku ta Red Banner a ranar 27 ga Maris, 1942. An tura rukunin zuwa rundunar soji ta 60 a ranar 28 ga Yuni kuma sun yi yaƙi a hare-haren a yakin Voronezh.
kuma a ranar 4 ga Yuli ya isa yankin Zemlyansk, amma an tilasta masa komawa zuwa layin Medvezhye da Chistaya Polyana, yana rufe ƙetaren Don. Daga 7 ga Yuli ya yi yaƙi a yaƙe-yaƙe a kudancin Voronezh a cikin abin da aka sani a cikin tarihin Soviet a matsayin Voronezh <unk> Voroshilovgrad Operation Defensive. A watan Oktoba, Zykov ya zama mataimakin kwamandan rundunar soji ta 60.