Because the battlefields set for the Russo-Japanese War were only in the southern Manchuria (the northeastern China) and the northern Korean Peninsula, so nowhere in Russia had been attacked by Japan.
日露戦争の戦場は全て満州（中国東北部）南部と朝鮮半島北部であり、ロシアの領内はまったく日本に攻撃されていないからだ。