A counter-attack 4 July 1939 also failed, causing additional losses, including the divisional chief-of-staff. On 4 August 1939, the 23rd Division was subordinated to the 6th Army as the border conflict continued to escalate. The 23rd Division was nearly annihilated in an encirclement following a Soviet attack on 20 August 1939.
A counter-attack on July 4, 1939, failed, resulting in additional casualties and the division's chief of staff being killed. On August 4, 1939, the 23rd Division was placed under the command of the 6th Army as the border conflict escalated further. The 23rd Division suffered near annihilation in an encirclement following a Soviet attack on August 20, 1939.