Timo Boll (front)/Patrick Franziska of Germany compete during the men's doubles final match against Ma Long/Wang Chuqin of China at ITTF World Tour Platinum China Open in Shenzhen, south China's Guangdong Province on June 1, 2019. Timo Boll/Patrick Franziska won 3-0 and claimed the title. (Xinhua/Wang Dongzhen)