Esther Vergeer has a winning streak of 470 matches - the most set ever by a female athlete . The Dutch wheelchair tennis star says retirement was the `` scariest moment '' of her life . Hide Caption 1 of 7 Photos: `` I have n't played tennis for a while now after my retirement Vergeer wants Paralympic athletes to be seen as `` just human beings with ambition ''
Esther Vergeer has a winning streak of 470 matches - the most set ever by a female athlete . The Dutch wheelchair tennis star says retirement was the `` scariest moment '' of her life . Hide Caption 1 of 7 Photos: Vergeer wants Paralympic athletes to be seen as `` just human beings with ambition ''