If this war gets wider and many countries participates (but let's hope and let's pray that it won't happen) I really think all the matches and games that participated in war will be stopped or cancelled. They will focus on fighting or defending their countries rather than competing with sports. So there will be a huge impact to sports and competitions during wartime.
I do not think that this military operation can spread to other countries. Most likely it will end with a change of political regime and power in Ukraine and nothing more. But with regard to Russia, calls are already being made not to hold any international competitions on the territory of Russia.
Moreover, the annual Eurovision Song Contest also ruled out Russia's participation.
