Actually, it looks like two fights shaping up so far. #2, #4, and #5 won their initial fights against #1, #3, and #6: (#5 beats #6, #2 beats #1, #4 beats #3). The winners square off in a three way clash with #5 coming away with the hard fought win. The consolation brawl is even nastier and harder to predict, but I'll go with #6 beating #1, with #3 falling out quickly.