Madison Keys shocked the tennis world when she dumped Iga Swiatek out of the Australian Open at the semi-final stage with the American enjoying a major career surge while working alongside her husband.

"He's really just helped me enjoy being on the tennis court," Keys said of her husband. Here, everything you need to know about the American tennis player.

Madison Keys says she kept telling herself to be brave down the stretch of a tight third set in the Australian Open final against two-time defending champion Aryna Sabalenka.