We can see caddies in every tennis match, so if we want to say who is the luckiest caddy, it should be Federer. He once said that he had been a caddy for two years, when he gave it to Patty? Schneider and Martina? Hingis and others have been caddies. Now, he not only achieved a Grand Slam, but also ranked first in the world. This achievement must be something that few caddies can achieve, but that's how he became a creative figure in tennis. Besides playing tennis, he also participated in many charity activities. He was named one of the greatest players in history by many people, and this title is well deserved. His contribution to charity is indeed a household name. Federer not only set up his own charity foundation, but also was appointed as a goodwill ambassador of UNICEF. He used his own efforts to help other disabled children and lend them a helping hand.

Tennis caddies are actually very important for tennis matches. Caddy is actually a member of the team. When we watch the game, we can see the caddy kneeling on both sides of the tennis court. Therefore, many people want to know why the caddy is kneeling. In fact, this is also to ensure the safety of caddies and facilitate their work. Tennis is very powerful in the starting process. The risk factor is higher when standing, but the kneeling posture is safer.

Tennis caddies are very strict in the selection process and need to pay attention to many aspects. Not only tennis has caddies, but football and golf also have caddies. However, there are differences between the three in the selection process and the requirements of the competition venue. For example, FIFA stipulates that all international A-level football matches or some important football matches need to bring caddies, and their caddies are generally selected from primary schools or football schools.