swaitek knew she had to win to overtake aryna sabalenka at number one.mpion is the youngest winner of the tournament since petra kvitova in 2011. i'm just really happy and super proud of myself as being not easy, but i feel it is a reflection of the whole season, coming back to world number one it is a dream come true, for sure. number one it is a dream come true, forsure. i number one it is a dream come true, for sure. i would say i wasn't expecting that this season. i was hoping that maybe next year was going to be my year, notjust working hard and focusing on the right things in the end his work, so am really happy. right things in the end his work, so am really happy. finally, two—time olympic champion caster semenya says she will "fight for what is right" amid her ongoing dispute with athletics authorities. semenya was born with differences of sexual development and cannot compete in female track events without taking testosterone—reducing drugs. the south african wants to hold world athletics to account for what she says is discrimination against a