Madison Keys and Ben Shelton gave fans a peek behind the curtain with their Florida training session—King Ben even joked it was the “hardest practice of my life.” The banter didn’t stop there, as Jennifer Brady chimed in about the grind. With Keys defending her Aussie crown and Shelton coming off a career-best season, this pre-season rivalry is heating up. Who’s your pick to go deeper Down Under? #Sports #Tennis #MadisonKeys