The 23rd was responsible for the area around Lake Näykkijärvi, just to the southeast of Viipuri, the second largest town in Finland. Also, the 3rd Battalion of the 67th Infantry Regiment that was on loan to the 5th division arrived as well, giving the reinforcement that the commander of the 23rd Division, Colonel Voldemar Oinonen, needed to launch an attack against the Soviets. At 10:15 pm, the commander of the Jaeger Battalion 3, Captain I. Kunnas and Lieutenant O. Heinonen of the 4th Armoured Company received orders to attack.