On the morning of 6 August, the 18th Tank Corps from 5 GTA fought its way into the town of Zolochev against negligible resistance.[36]
Later that day, General-major Andrei L. Getman’s 6th Tank Corps from 1 TA fought its way into Bogodukhov; the loss of 700 tons of fuel in the supply depot was a major blow for Breith’s III. Panzerkorps. One of the first Soviet T-34s that fought its way into Bogodukhov was commanded by Leytenant Ivan M. Ivchenko, who had lived in this town before the war. When Ivchenko drove down the street, his wife recognized him and came running out of the house with his young son; Westerners often forget that this war was one of liberation for the Red Army, with troops having a personal stake in the outcome.155 The loss of both these towns also threatened the German lines of communications to Kharkov. However, when Katukov and Rotmistrov began advancing south of the Merla River, they had unexpected meeting engagements with the first major reinforcements arriving for Hoth’s PzAOK 4. The 18 TC ran into the 3.Panzer-Division south of Zolochev and General-major Semyon M. Krivoshein’s 3rd Mechanized Corps ran into the lead elements of SS-Gruppenführer Walter Krüger’s Das Reich (the reconnaissance battalion, two Panzergrenadier-Bataillonen and 20 assault guns). In both cases, the meeting engagements did not go well for the Soviet armoured units and the entire corps needed to deploy and prepare for a hasty attack. Rotmistrov reinforced 18 TC with the Skvortsov’s 5 GMC and launched several attacks against 3. Panzer-Division on 7–8 August; the Germans were forced to give up some ground, but inflicted significant losses on Rotmistrov’s two corps. Likewise, Katukov sent General-major Dmitry Kh. Chernienko’s 31st Tank Corps to reinforce Krivoshein and together they were able to push Das Reich back on 7–8 August. Neither side had much in the way of infantry or artillery support during these actions, which devolved into a series of company and battalion-size engagements. Hoth had no infantry in this sector and he was forced to use his precious motorized forces as blocking detachments, which was not the way that Panzer-Divisionen were supposed to be employed. On the other hand, Vatutin had to divert considerable forces from the 6 GA and 27th Army to deal with German hedgehogs at Borisovka and Grayvoron, which severely limited infantry support to Katukov during this critical moment of the exploitation phase.On the night of 8–9 August, the lead elements of Katukov’s 1 TA, Getman’s 6 TC, reached the Merchyk River, which put them within striking distance of severing the main east-west rail line to Kharkov. There were virtually no German forces in this wide gap between Breith’s III Panzerkorps and the remnants of the LII Armeekorps and XXXXVIII Panzerkorps concentrated near Akhtyrka. However, the lead elements of SS-Brigadeführer Hermann Priess’ Totenkopf
were rushing to establish blocking positions along the Merchyk. When Morgunov’s 200th Tank Brigade attacked the town of Murafa on 9 August, he was able to seize the town and a crossing over the river without much trouble, but then ran into the SS-Totenkopf-Aufklärungs-Abteilung, which was screening on the other side. Polkovnik Mikhail T. Leonov’s 112th Tank Brigade had an even ruder surprise when it tried to seize another crossing at Oleksandrivka and ran into two battalions from the SS-Panzergrenadier-Regiment 3. Leonov’s initial attack on the town failed.