Composure on big stage fuels Naomi Osaka's rise to top

Naomi Osaka's rapid rise to world No. 1 has been marked by her ability to deliver on the biggest stages.Winner of back-to-back Grand Slams following her 7-6(2), 5-7, 6-4 victory Saturday over the Czech Republic's Petra Kvitova at the Australian Open, the 21-year-old is undefeated in major finals.Osaka wins Australian Open, second straight Grand Slam title[Getty]By beating No. 8 seed Kvitova, a two-time Wimbledon winner with 26 career singles titles, No. 4 seed Osaka guaranteed her ascent to top spot when the new WTA rankings are announced next week.Since making her Grand Slam main draw debu…READ FULL ARTICLE