Alexander Blockx reacts during a tennis match between Belgian Blockx and Bulgarian Dzhenev, in round 3 of the junior boys' singles at the 'Australian Open' tennis Grand Slam, Wednesday 25 January 2023 in Melbourne Park, Melbourne, Australia. BELGA PHOTO PATRICK HAMILTON (Photo by PATRICK HAMILTON/Belga/Sipa USA) 2023.01.25 MELBOURNE Tenis ziemny Australian Open 2023 Foto Patrick HAMILTON/SIPA USA/PressFocus !!! POLAND ONLY !!!