Naomi Osaka has defeated Donna Vekic in straight sets to move into the second round of the Australian Open.
In This Story: Naomi Osaka
Naomi Osaka is a Japanese professional tennis player. She has been ranked No. 1 by the Women’s Tennis Association and is the first Asian player to hold the top ranking in singles. She is a four-time Grand Slam singles champion, and is the reigning champion at the US Open and the Australian Open.