Su-57 with first aerial victories? [COMMENT]

The Su-57 was to have the first shooting down in the war in its career, the bulgarianmilitary portal reported citing mysterious Russian sources. The victims were Ukrainian Su-24 and Su-27, which took part in a rally in Belogrod last October. This raid was known from a video in which the Russian anti-aircraft defenses of the base lost to HARM missiles fired towards it from Ukrainian aircraft.