JEDDAH, Dec. 20 (Xinhua) -- Chinese player Shang Juncheng withdrew from his final group-stage match at the Next Gen ATP Finals in Jeddah, Saudi Arabia, on Friday, due to physical discomfort, concluding his run in the tournament.
Shang faced No. 2 seed Alex Michelsen of the United States, who had already secured two consecutive wins and advanced to the semifinals. Shang was not in his best form, struggling with a
