World No. 1 Ma Long completed his Grand Slam request and came out the fifth male paddler to do so in table tennis after winning an All-Chinese final over defending champion Zhang Jike on Thursday at the 2016 Rio Olympic Games.
It has been China's 11th gold at the Rio Games, while Zhang added a silver.
Ma, 27, made short work of his teammate Zhang 14-12, 11-5, 11-4, 11-4.
