(220924) -- LONDON, Sept. 24, 2022 (Xinhua) -- Team Europe player Roger Federer of Switzerland (front L), Rafael Nadal (front R) of Spain, Novak Djokovic (1st L, Rear) of Serbia react at the end of Roger Federer's last match after Federer announced his retirement at the Laver Cup in London, Britain, Sept. 24, 2022. (Xinhua/Li Ying) - Li Ying -//CHINENOUVELLE_sipa.180/2209241053/Credit:CHINE NOUVELLE/SIPA/2209241104