Many western women players, such as American, British, and Australians, are appearently women, since they have long hair. Japanese women players, however, are not. They all have very short hair,dark skin(due to sun-tan), and very active, so that they seem to be men. I bet some people might mistakenly see them as men.
When I played softball, I used to notice that strong teams do not have such a girl-type players. Not sisi, but, just like girl-type is not regarded as strong in Japanese, or Asian cultures..????