Frieza saga Krillin vs Roshi, Tao Pai Pai, King Piccolo, teen Goku, saiyan saga Piccolo and Nappa.
They have full knowledge
they are bloodlusted
fight in the desert
Fight 1 Normal fight
Fight 2 Krillin is not allowed to fight back for the first 5 minutes
Fight 3 Krillin is not allowed to move for the first 3 seconds