Armed conflicts between Poland (including the Polish–Lithuanian Commonwealth) and Russia (including the Soviet Union and Kievan Rus') include:
Russian victory - 18
Polish victory - 18
Inconclusive/Victory for either Pro or Anti-Russian forces - 9
1 Originally a Polish civil war that Russia, among others, became involved in.
2 Originally a Hungarian revolution but was joined with Polish force on Hungarian side against Austria and Russia.
3 Part of the broader Russian Revolution of 1905.