PREVIEW

(200121) -- MELBOURNE, Jan. 21, 2020 (Xinhua) -- Jo-Wilfried Tsonga (L) talks to Alexei Popyrin during men's first round match between Jo-Wilfried Tsonga of France and Alexei Popyrin of Australia at 2020 Australian Open in Melbourne, Australia, Jan. 21, 2020. (Xinhua/Zhu Hongye)