What table tennis matches in ZhangJike make you unforgettable?

ZhangJike is a table tennis player in China, who won the Olympic Games, World Cup and World Championships. In his competition, the most unforgettable is the men's singles final of the 20 12 London Olympic Games. In the final, he defeated teammate Malone 4-/kloc-0-and won his second Olympic gold medal. In addition, he also won the 20 1 1 world cup men's singles championship.