Melbourne, Australia | AFP | Tuesday 1/24/2023  Sebastian Korda said he could barely hold the racquet before retiring in the Australian Open quarter-finals Tuesday, but despite the disappointment is confident of “really big things” ahead. The 22-year-old American hurt himself in the second set against Russia’s Karen Khachanov and called it quits when trailing 7-6 (7/5), 6-3, 3-0. He said he first felt the injury while playing the Adelaide International this month, where he made […]