Master Roshi is a DBZ fighter and he can shatter a whole planet in a single shot, but he won’t be able to stop Sasuke. Sasuke is an Uchiha and he possesses abilities far beyond that of even Roshi. Master Roshi’s Kamehameha won’t be enough to match Sasuke’s Chidori. Master Roshi takes a solid loss in this round. Sasuke wins.