Novak Djokovic has won 22 Grand Slam singles titles in the Open Era, surpassing Roger Federer and Rafael Nadal's 20 titles.

Wimbledon is the oldest and most prestigious tennis tournament in the world, known for its grass courts and strict dress code.

A volley is a stroke in tennis where the player hits the ball before it bounces, typically near the net.

Power in tennis refers to a player's ability to generate pace and depth on their shots, often resulting in winners or forcing errors from their opponent.

Pete Sampras was known for his dominant serve-and-volley style of play, winning 14 Grand Slam singles titles during his career.

Advantage Scoring is the traditional scoring system used in tennis, where a player must win by a margin of two games in a set.

The French Open is the only Grand Slam tournament played on clay courts, known for its challenging conditions and long rallies.

The Challenge System allows players to challenge a line call if they believe it was incorrect, using video technology to review the call.

Rafael Nadal is known for his exceptional backhand and dominance on clay courts, winning a record 13 French Open titles.

The ATP Finals is the season-ending tournament for the top eight men's singles players, featuring round-robin matches and a knockout stage.

Novak Djokovic is known for his aggressive baseline play and powerful forehand, often dictating rallies and forcing errors from his opponents.

A Let Serve is a rule that allows a player to serve two consecutive serves if the first serve is a fault, typically due to a net or foot fault.

Roger Federer is known for his exceptional serve and all-court game, winning 20 Grand Slam singles titles and showcasing a versatile style of play.

A Half-Volley is a rule that allows a player to hit the ball after it has bounced once, typically when the ball is close to the net.

Andy Murray is known for his exceptional footwork and ability to cover the court, often retrieving difficult shots and extending rallies.