I think my highscore was with Kisame vs Guy on insane mode. i belive i killed him in less than 30 seconds with my life almost perfect.
Strategy Used:First i used water shark jutsu. Then i charged up my chakarak all the way and did my special while he was coming at me. then i charged up my chakara while he was on the floor. did water shark jutsu when he got up. charged up some more. and then went out on him with XX OOOO then just --v + o and he was dead right there.