However, it has been reported that the SU-100Y had been used to combat German troops and armour at the Kubinka area station. Even if the SU-100Y's combat record had not been made known, it is possible the SU-100Y was used in several more combat operations such as Kursk as it stayed in service until the end of the war as both self-propelled artillery and a tank destroyer in the same division, similar to the ISU-152.
The SU-100Y was used to combat German troops and armor at Kubinka, even if its combat record wasn't officially documented. It is possible that the SU-100Y participated in other battles like Kursk, as it remained in service until the end of World War II, serving both as self-propelled artillery and a tank destroyer within the same division, similar to the ISU-152.