Russians have lost at least 5000 vehicles in Ukraine (visually confirmed so more is out there) while controlling less of Ukraine today than they did three months ago.
Now they are suffling troops between front trying to stop Ukrainians from advancing, and let's not forget this is an invasion what Russians thought would be over in less than a week, but now are on +160 days with no end in sight.
Russia already has lost well over 150 BMP-3's out of 650-720, significant portion of their upgraded T-72 /T-80 tanks and are increasingly deploying T-72B tanks, and now Russian regular troops are seen using non-upgraded BMP-1's instead of BMP-2's due heavy losses.
Winning!