Divisions routed even winning the combat

[xelida]

Although my 2 divisions won a defensive combat in Smolensk, both are routed https://photos.app.goo.gl/ryjqPa5UUJoNczaW9

[Joel Billings]

It can happen. However, you are playing a very old version. The current version (both official and beta) has many changes for combat in urban hexes that will likely reduce this kind of thing. I suggest upgrading to the most recent official or beta version.