 Hrekov's presence there electrified the Galician soldiers, who were on the verge of defeat at the hands of the Poles during their war against them; many veterans of that war recalled the period under his command as the high point of their war experience.Under Hrekov's command, between 9 June and 5 July the army of the West Ukrainian People's Republic experienced its greatest success during the Chortkiv offensive, when the Poles were thrown back over .Soon, however, the Polish forces were able to recover half of their yielded territory and stabilize the frontlines.