it would be better if you could have more than one female to a male, if anyones going to be beating up anyone else, it'll be the male chasing down the females. one female will get hounded to the point of exhaustion and could end up with terrible fin damage, he may even kill her.
just depends on each fishes personality, one of my female split tails is at this moment hunting down the giant plakat male that is in "her" tank.
in saying all that, having a well planted tank with lots of hide aways will give them space from each other, and it may work out absolutely fine.
keep an eye out for fin damage and overly aggressive behaviour.