Iga Swiatek, who had led the world tennis ranking since April 4 last year, has lost her leading position after 75 consecutive weeks. The Pole dropped to second place, and was overtaken by Belarusian Aryna Sabalenka. On the other hand, Serbian Novak Djokovic returned to the top of the world tennis ranking, replacing Spaniard Carlos at the top after his triumph in the US Open final.more