Tekkaman Blade vs. Guyver
Tekkaman Blade (known as Teknoman in the US) from the anime series of the same name:
http://www.youtube.com/watch?v=NWqY7QgCuak
vs.
Guyver from the anime and manga series of the same name
http://www.youtube.com/watch?v=VfpYmQS_A9k
The fight takes place on Earth.