On June 7th, the Ukrainian Galician Army launched the Chortkiv offensive − most successful operation of the UHA.
[3] On June 14, 1919, 9th Brigade of the Ukrainian Galician Army led by Otaman Martynovych captured Skalat, 4 Polish kurens were forced to retreat to the Tarnopol.
On the same day, Ukrainian 3rd Corps defeated the Polish army near Kozova on the west bank of the Strypa river and besieged Tovstobaby.
At the same time, the 1st and 2nd Corps of the Ukrainian Army under the command of General Myron Tarnavsky were sent to capture Ternopil.
[5] On the same day after the battle, Ukrainian Galician Army captured Tovstobaby and the 1st Corps continued the offensive towards Krasne and Brody.