Germany's Alexander Zverev (L), who pulled out of the event due to an injury, watches teammate Daniel Masur in his men's singles match against Kazakhstan's Alexander Shevchenko at the United Cup tennis tournament in Perth on January 1, 2025. (Photo by COLIN MURTY / AFP) / -- IMAGE RESTRICTED TO EDITORIAL USE - STRICTLY NO COMMERCIAL USE -- (Photo by COLIN MURTY/AFP via Getty Images)