The relationship between Wang Hao and Fan Zhendong can be described as teachers, friends and brothers. Their relationship can be traced back to many years ago, when both of them played for Bayi Team, and Wang Hao led Fan Zhendong to participate in the Table Tennis Super League. Wang Hao not only guided Fan Zhendong technically, but also made him his own sparring partner, which helped him improve his skills.

Wang Hao's help to Fan Zhendong is not limited to being his head coach in the national team. Their relationship is also described as "companionship", because Fan Zhendong now has the ability of independent thinking, and Wang Hao respects his independent thinking. However, this relationship has also caused some controversy. Some people think that Wang Hao's lack of confidence in coaching Fan Zhendong may affect their usual training and even competition.

Generally speaking, Wang Hao and Fan Zhendong have a deep relationship, and their common experience and mutual respect in the field of table tennis have made them teachers and friends. Their relationship is not only reflected in the technical level, but also in the spiritual level. This relationship has an important influence on their career and personal growth.