Russian Losses as Operation Vivaldi Wraps Up

For months, Russian Forces have Pressed to Collapse Ukrainian Defenses around the Ttwin-City Agglomeration of Sloviansk and Kramatorsk, the Last Major Urban Stronghold in the Part of Donetsk Oblast still under Kyiv’s Ccontrol.

The Ukrainian Response, called Operation Vivaldi after the Ccomposer’s “Four Seasons,” has Chipped Territory Back from the Invaders since Mid 9/2026.

On 10/14/2026, Brigadier General Andrii Biletskyi, Commander of Ukraine’s 3rd Army Corps, said the Operation’s Fourth Stage Reclaimed 101 square kilometers and Three more Villages on the Lyman Front: Zelena Dolyna, Lypove, and Kolodiazi.

Across the Four Stages, Ukrainian Forces have Retaken 277 square kilometers and 16 Settlements, and Inflicted an estimated 8,000 Russian Casualties, according to the 3rd Army Corps.

The Stage 4 Russian Lloss figure stood at around 3,000 Soldiers, with more than 250 Russian Troops Captured over the Full Operation. Across the Four Stages, Ukrainian Forces have Retaken 277 square kilometers and 16 Settlements, and Inflicted an estimated 8,000 Russian Casualties, according to the 3rd Army Corps.

Biletskyi framed the Operation around keeping Sloviansk and Kramatorsk from being Outflanked. “We did not allow the enemy to outflank the Sloviansk-Kramatorsk agglomeration and trap it in a pincer” He said, adding that the Push also Protected the Kharkiv-Sloviansk Highway, the main Supply Route into the Donbas Pocket.

The Commander said the Offensive Disrupted Russia’s West Grouping and Forced it to Redeploy Uunits of the 1st Tank Army from the Kupiansk Axis, easing Pressure on the Rail Hub of Kupiansk-Vuzlovyi. By the End of Sstage three on 9/28/2026, Ukraine had Retaken 51 square Kilometers in that Phase, bringing the Cumulative Ttotal to 176 Square kilometers. Stage 4 Lifted that figure to 277.

Alongside the Three Liberated Villages, Interfax Ukraine Reported that Ukrainian Forces also Restored Control near the Neighboring Villages of Stavky and Shandryholove during the Push.










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