Endurance, agility, flexibility, and strength are some of the many aspects necessary to perform better when playing tennis. This kind of sport is being played in a tennis court where two or four people use rackets to hit a small ball across a center net. Many recreational players around the world like to play this sport. The sport is also played in the Olympics. Grand Slam tournaments such as Australian Open, French Open or the Roland Garros, Wimbledon, and the US Open are played annually and are considered to be the most prestigious tennis events in the world. These tournaments are regulated by the International Tennis Federation. The richest tennis players have been successful throughout their careers. Some of them started as amateur players as early as in their 20s. But in some cases, parents of these sports personalities encouraged their children to start playing while they are young. They pursued their career by joining several amateur tournaments to become professional tennis players. Some of these richest tennis players are enjoying the perks, such as travelling cities hosting the tournaments, television interviews, and product endorsement deals from clothing to tennis equipments. They don't have fat salaries and contracts to play tennis, but their earnings come from prize money in various tournaments where they play. Well known tennis personalities who are in our list include Sara Errani, Jelena Jankovic, Roger Federer, Nadia Petrova, Justine Henin, Juan Martin Del Potro, Agnieszka Radwanska and Anna Kournikova. Get to know their successful professional tennis career through our website.