Pletenchuk said that with the latest attack, a third of all warships that Russian had in the Black Sea before the war have been destroyed or disabled. At the same time, he acknowledged that just two of about a dozen of Russian missile carrying warships have been sunk and pledged that Ukraine will continue the strikes.
I’d say neither at the moment. They’ve won some significant battles but they are also facing an attritional war now with weakening support from the west.