[OSEN=Reporter Ko Seong-hwan] Aryna Sabalenka (28, Belarus), who sparked controversy with her unique fashion, is in danger of losing her position as the world's number one female tennis player. On the 9th (Korean time), the British newspaper 'The Sun' reported, "Sabalenka, who shouted after her victory, kept US Open hopes alive. However, she could soon lose the world number one spot. The world number one spot is now out of Sabalenka's hands. Kaz…