Naomi Osaka will be the first player from Japan, and the first from Asia, to become World No. 1 when the WTA rankings update — from an article about her Australian Open victory:
4大大会2連勝を果たした大阪なおみは男女を通じてアジア勢初の1位に浮上する事が確定された。
連勝
れんしょう · RENSHOU
Consecutive victories, a winning streak.
浮上
ふじょう · FUJOU
Surfacing, emerging, leaping into prominence.