Yoda and 200 jedi vs the persian army
Who wins?
Setting: a huge square battlefield 100 miles long and 100 miles wide, sides start on opposite ends. This province has flat land for the most part, but the four corners are huge forests and the middle is filled with mountains. Both sides start off with enough supplies to last them across the map one and a half times. Given the size, remember (and many people forget about this in big maps) that they aren't just charging into eachother at once.
This is the ENTIRE Persian military.