The 1st Guards Army attacked near Novo - Grigoryevskaja , extending its bridgehead .
From 20 -- 28 August , the 63rd Army and the 21st Army counter-attacked near Serafimovich , forcing the Italian Eighth Army to fall back .
The 1st Guards Army attacked near Novo - Grigoryevskaja , extending Army 's bridgehead .
From 20 -- 28 August , the 63rd Army and the 21st Army counter-attacked near Serafimovich , forcing the Italian Eighth Army to fall back .