Soviet 1944 offensive had started on June 10, 1944 and in matter of days broke through of the fortified Finnish defense lines in southern Karelian Isthmus.

'The Sixty-one') in Swedish as the regiment consisted entirely of Finland Swedes and volunteers from Sweden, under command of Lieutenant Colonel Alpo Marttinen of the Finnish 17th Division (led by Major General Alonzo Sundman) arrived to the Isthmus from Svir immediately after the loss of Viipuri.

The regiment was deployed for defense at Tienhaara, which was located along the coastal highway leading north from Viipuri towards the inner of Finland, on the shore of Kivisillansalmi on June 22 relieving the worn out troops.

[2][3] The Soviet commander, Marshal Leonid Govorov, decided that further attempts to cross the waterway would be too costly and time-consuming and instead concentrated the bulk of his forces to the Juustila-Ihantala area contributing to the events which led to fighting at Tali-Ihantala region.

[3] Finnish forces held to Tienhaara (now Seleznyovo) until the ceasefire in the end of summer 1944 but the village was left to the Soviet Union in the Treaty of Paris in 1947.