The Ukrainian army has lost less than 10% of the provided Western
equipment in battles with the Russian invaders, the commander of
the Estonian Defense Forces intelligence service, Colonel Margo Grosberg, has said
in an interview with Estonian news outlet ERR.
Russia is also holding troops in reserve and each side is waiting for the other to make a turn and see where the other starts commiting these reserves in large numbers. There are speculations that Russia is pulling said reserves into action in the south, but so far I am not aware how vague these assumptions are