Coco Gauff will be World Number One at some point in her career according to legendary former coach of the Williams sisters, Rick Macci.
Gauff is currently ranked World No.3 with only Aryna Sabalenka and Iga Swiatek ranked ahead of her in the WTA Rankings. Despite being 20, she has won the US Open title and won various big titles including the China Open last month after a period of poor form previously which derailed her momentum.