TOPSHOT - USA's Coco Gauff hits a return during the warm up prior to the start of her women's singles semi-final match against Czech Republic's Karolina Muchova at the United Cup tennis tournament on Ken Rosewall Arena in Sydney on January 4, 2025. (Photo by Steve CHRISTO / AFP) / -- IMAGE RESTRICTED TO EDITORIAL USE - STRICTLY NO COMMERCIAL USE -- (Photo by STEVE CHRISTO/AFP via Getty Images)