Yoda vs Darth Sidious

It is the duel known as "Skirmish in the Senate" in Star Wars Episode 3: Revenge of the Sith

Oogway vs Steele
Oogway fights Steele in Animation Star Wars

Olaf vs Hans
Olaf fights Hans in Star Wars (Julian14bernardino style)

Avatar vs Zygon
Avatar fights Zygon in Star Wars (160 Movies Style)

Mr Ages vs Baron Greenback
Ages Fights Baron Greenback