Battle Athletess - Daiundoukai GTO [Major Wave Series] Japan

Battle Athletess is a 6 episode OVA set in the distant future where, after many years of war with an extraterrestrial race, a contest of physical strength between one representative from each race is agreed. Although the alien race is far superior to the humans, the human champion prevailed, marking an era of peace for humanity. A University Satellite is created where the greatest athletes of the age train with women competing for the title of Cosmic Beauty.