Russian forces have pressed incremental ground assaults and infiltration attempts toward Viroliubivka, a village north of Kostyantynivka in Donetsk Oblast along the Kramatorsk axis, as part of efforts to pressure the Sloviansk-Kramatorsk defensive belt. Russia claimed control of the settlement in mid-September 2026, but independent assessments from the Institute for the Study of War and Ukrainian sources indicate the area remains under Ukrainian control amid contested fighting and intermingled positions. Ukraine’s Operation Vivaldi counteroffensive in the Lyman direction has reclaimed over 100 square kilometers since summer 2026, reversed prior Russian gains, and forced Russian units onto the defensive, disrupting encirclement plans. Ongoing Russian force allocation, Ukrainian defensive reinforcements, and frontline shifts in adjacent sectors continue to shape assessments of whether the specific intersection meets capture criteria by resolution dates.