Thanasi Kokkinakis, the Australian tennis star, had to withdraw from the Adelaide International 2 tournament due to a persistent right shoulder injury. This injury has been a long-standing issue, dating back to his serving days, and has caused him to struggle with his performance. Kokkinakis made a highly anticipated return to singles action after a 12-month absence, following a pectoral surgery last February. Despite his efforts, he battled through a first-round match against Sebastian Korda, but his shoulder pain became increasingly evident during the game. The Australian's scheduled opponent, Valentin Vacherot, advances to the quarter-finals, while Kokkinakis faces a challenging recovery period ahead. The tournament organizers and fans alike are left wondering what could have been if Kokkinakis hadn't been plagued by this injury throughout his career. This situation highlights the mental and physical toll that injuries can take on athletes, even after extensive rehabilitation efforts.