I love it as a girl name, because it’s so unique and different where I am. For a boy, I think it could also work; there’s no denying its masculine origins.
As a middle name, I’d choose
Sasha Roxanne,
Sasha Lenore,
Sasha Nadine,
Sasha Leanne,
Sasha Maven,
Sasha Maria, and
Sasha Daisy.