17 and winning: On Your Marks with Chinese tennis rising star Shang Juncheng

At the 2023 Australian Open tennis, the Chinese tennis player Shang Juncheng, 17, become the first competitor from the Chinese mainland to reach the second round of the men's singles main draw of the tournament since the Open era began more than 50 years ago. In today's On Your Marks he talks about his journey to the Australian Open and what he hopes for beyond his passion for tennis.