Full coverage: 2016 Rio Olympics

China's Ding Ning returns the ball against her compatriot Li Xiaoxia during the women's singles gold medal match of table tennis at the 2016 Rio Olympic Games in Rio de Janeiro, Brazil, on Aug. 10, 2016. [Photo: Xinhua]

RIO DE JANEIRO - China's Ding Ning beat teammate and defending champion Li Xiaoxia 4-3 to win women's table tennis singles gold medal at Rio De Janeiro in Brazil on Wednesday, completing a career Grand Slam Li won silver medal of the match.

The world number two, who left the London Games with a silver medal four years ago amid tears and a spat with the referee, fell on her knees and sobbed into her hands after she sealed the final point.

DPR Korea's Kim Song-I, who was playing in her first Olympics, took bronze with a 4-1 win over Japan's Ai Fukuhara amid loud cheers by her country's delegation in the crowd.

China's Ding Ning returns the ball against her compatriot Li Xiaoxia during the women's singles gold medal match of table tennis at the 2016 Rio Olympic Games in Rio de Janeiro, Brazil, on Aug. 10, 2016. [Photo: Xinhua]

China's Ding Ning reacts during the women's singles gold medal match of table tennis against her compatriot Li Xiaoxia at the 2016 Rio Olympic Games in Rio de Janeiro, Brazil, on Aug. 10, 2016. Ding Ning won the gold medal. (Xinhua/Lin Yiguang)

Gold medalist China's Ding Ning attends the awarding ceremony for the women's singles final of table tennis at the 2016 Rio Olympic Games in Rio de Janeiro, Brazil, on Aug. 10, 2016. (Xinhua/Shen Bohan)