Niki Sanders or Mohinder Suresh(especially when he have powers here) takes on a Showa-Era Kamen Rider
rules: pick just 1 Showa-Era Kamen Rider that fought either Niki or Mohinder here, and the fights are just Hand to Hand Combat(Kamen riders here can't use any powers outside their enhanced physicals(this includes even natural weapons and similar things) as well these Kamen Riders can't use Rider kicks here)
who will win