Ma Long (R) of China and Timo Boll of Germany compete against Sharath Kamal Achanta and Sathiyan Gnanasekaran of India during the men's doubles second round match at the 2017 World Table Tennis Championships in Dusseldorf, Germany, May 31, 2017. Ma Long and Timo Boll won 4-1. (Xinhua/Tao Xiyi)
