if SH fight Beast Pirate on 1 vs. 1
then I think it will be like this :
Flying Six -> Nami, Usopp, Chopper, Robin, Franky, Brook
Nami & Robin ofcourse will fight the two females
all (or some) with the help of the red scabbards:
Denjiro, Kiku, Raizo, Ashura, Inuarashi, Kawamatsu
Carrot will help...