The 23-year-old hasn’t played a competitive match since defeating Federico Agustin Gomez in the first round of the US Open.

It’s not the serve or the forehand -- it’s the feet. From Iga Swiatek to Aryna Sabalenka, today’s champions know that the foundation of power starts from the ground up.

The real problems begin when all those well-intentioned or merely self-interested handlers, managers, and spin-doctors try to halt the growing canker and, in the words of our hard-charging White House ...

Their dynamic has now been discussed by former world number one Andy Roddick, who explained on his Served podcast: “As we ...