0_Wizard
I love the tennis game,especially the  grand slam also called majors, 
The Grand Slam tournaments, also called majors, are the four most important annual tennis events.
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Grand Slam (tennis)
chosen_topic_0_Grand_Slam_tennis
Grand Slam (tennis)
The Grand Slam tournaments, also called majors, are the four most important annual tennis events. They offer the most ranking points, prize money, public and media attention, the greatest strength and size of field, and greater number of "best of" sets for men. The Grand Slam itinerary consists of the Australian Open in mid January, the French Open in May and June, Wimbledon in July, and the US Open in August and September. Each tournament is played over a period of two weeks. The Australian and United States tournaments are played on hard courts, the French on clay, and Wimbledon on grass. Wimbledon is the oldest, founded in 1877, followed by the US in 1881, the French in 1891, and the Australian in 1905.
Roger Federer
Roger Federer (; born 8 August 1981) is a Swiss professional tennis player who is currently ranked world No. 2 in men's singles tennis by the Association of Tennis Professionals (ATP). Federer has won 20 Grand Slam singles titles, the most in history for a male player and has held the world No. 1 spot in the ATP rankings for 302 weeks, including 237 consecutive weeks. After turning professional in 1998, he was continuously ranked in the top ten from October 2002 to November 2016. He re-entered the top ten following his victory at the 2017 Australian Open. In majors, Federer has won a record eight Wimbledon titles, a joint record six Australian Open titles, a record five consecutive US Open titles and one French Open title.
Big Four (tennis)
In tennis, the term Big Four refers to the quartet of men's singles players comprising Roger Federer, Rafael Nadal, Novak Djokovic, and Andy Murray. These players are considered dominant in terms of ranking and tournament victories, including Grand Slam tournaments and ATP Masters 1000 events, as well as the ATP Finals and Olympic Games, having dominated the sport amongst them from 2004 onwards. Never before in the history of tennis has there been a group of players as dominant as these four. Federer was the first to come to prominence after winning Wimbledon in 2003 and established himself as the world No.
Serena Williams
Serena Jameka Williams (born September 26, 1981) is an American professional tennis player. The Women's Tennis Association (WTA) has ranked her world No. 1 in singles on eight separate occasions over the last 15 years from 2002 to 2017. She became the world No. 1 for the first time on July 8, 2002. On her sixth occasion, she held the ranking for 186 consecutive weeks, tying the record set by Steffi Graf for the most consecutive weeks as world No. 1 by a female tennis player. In total, she has been world No. 1 for 319 weeks, which ranks third in the Open Era among female players behind Graf and Martina Navratilova.
Tennis
Tennis is a racket sport that can be played individually against a single opponent (singles) or between two teams of two players each (doubles). Each player uses a tennis racket that is strung with cord to strike a hollow rubber ball covered with felt over or around a net and into the opponent's court. The object of the game is to play the ball in such a way that the opponent is not able to play a valid return. The player who is unable to return the ball will not gain a point, while the opposite player will. Tennis is an Olympic sport and is played at all levels of society and at all ages. The sport can be played by anyone who can hold a racket, including wheelchair users.
Novak Djokovic
Novak Djokovic (, ; born 22 May 1987) is a Serbian professional tennis player who is currently ranked world No. 14 in men's singles tennis by the Association of Tennis Professionals (ATP). Djokovic has won 12 Grand Slam singles titles, five ATP Finals titles, 30 Masters 1000 series titles, 12 ATP World Tour 500 tournaments, and has held the No. 1 spot in the ATP rankings for a total of 223 weeks. In majors, Djokovic has won six Australian Open titles, three Wimbledon titles, two US Open titles and one French Open title. In 2016, he became the eighth player in history to achieve the Career Grand Slam.
History of tennis
The game that most people call 'tennis' is the direct descendant of what is now known as real tennis or royal tennis (which continues to be played today as a separate sport with more complex rules). Most rules of the game commonly known as tennis derive from it. It is reasonable to see both sports as variations of the same game. Most historians believe that tennis originated in the monastic cloisters in northern France in the 12th century, but the ball was then struck with the palm of the hand; hence, the name jeu de paume ("game of the palm"). It was not until the 16th century that rackets came into use, and the game began to be called "tennis."