Sand Siblings vs. Team Konoha.
Area: Current Battlefield - so no situational advantages, and limitless space.
No emotional cards in play, so both sides want to destroy eachother as much as the other.
Also don't take "rank" into hand either, Kage+ 2 Jonin vs. Jonin + 2 Chunin clearly doesn't mean best rank wins in this case, I think it's fairly balanced, but prove otherwise if you think so.
Just thought I'd make a more "varied" vs. topic irrelevant of whether it has been done before etc. , discuss, criticise etc. who would win.