"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 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.

The newly crowned Australian Open champion delivered a touching tribute to her close-knit team after claiming an elusive first grand slam crown with a nerve-shredding 6-3 2-6 7-5 victory over world No.1 Aryna Sabalenka at Melbourne Park on Saturday night.