1) Kristina Mladenovic
2) Amanda Anisimova
3) Markéta Vondroušová
4) Ashleigh Barty
Explanation:
In the latest Women’s Tennis Association (WTA) 2019 and Association of Tennis Professionals (ATP) rankings 2019, Ashleigh Barty of Australia got the top position in women’s ranking while Novak Djokovic of Serbia remained at world number one in men’s ranking.