Newly-crowned champions Carlos Alcaraz and Iga Swiatek led a changing of the guard at the US Open as the transition from the "Big Three" era and Serena Williams gathered pace.
The exiled Novak Djokovic, prevented from competing in New York due to US government vaccination mandates for visitors from overseas, may yet return to add to his collection of 21 Grand Slam titles next year, AFP said.
