Fast4 is a new format introduced in tennis that aims to make the game quicker and more exciting. It reduces the number of games in a set from six to four and eliminates the deuce system, resulting in faster-paced matches.

Hawk-Eye is a computer-based video system that uses multiple high-speed cameras to track the trajectory of the ball and determine whether it landed in or out of bounds. It was first introduced in tennis in 2006 and has since been adopted by other racquet sports.

In table tennis, a new rule was introduced that allows players to hit the ball before it bounces on their side of the court, provided that the ball is still above the net. This rule change has added a new dimension to the game and made it more exciting and fast-paced.

Graphene Touch is a new racquet technology that combines carbon fiber with graphene, a lightweight and strong material. This combination results in a racquet that is both lighter and more powerful, allowing players to generate more spin and control on their shots.

PowerPlay is a new format introduced in badminton that allows teams to earn extra points during certain periods of the game. During a PowerPlay, the winning team scores two points instead of one for each rally they win.

Smart Racquet is a new technology that uses sensors embedded in the racquet to track player performance and provide real-time feedback. This technology can help players improve their technique, identify areas for improvement, and optimize their training routine.

In tennis, a new rule was introduced that allows players to challenge line calls using video replays. This rule change has helped to reduce the number of incorrect calls and ensure fairer outcomes in matches.

Sweet Spot Expansion is a new racquet technology that uses a unique string pattern to create a larger sweet spot and improve ball control. This technology allows players to hit the ball with more power and accuracy, even if they don't hit the ball perfectly in the center of the racquet.

King of the Court is a new format introduced in squash that involves a series of one-on-one matches to determine the overall winner. Players compete in a round-robin format, and the player who wins the most matches is crowned the King or Queen of the Court.

AI Coach is a new technology that uses artificial intelligence to analyze player performance and provide personalized training recommendations. This technology can help players identify areas for improvement, develop personalized training plans, and track their progress over time.

In badminton, a new rule was introduced that allows players to serve underhand. This rule change was made to make the game more accessible to players of all ages and abilities.

Anti-Vibration System is a new racquet technology that uses a unique frame design to reduce vibration and improve ball control. This technology helps to reduce arm fatigue and allows players to play longer and more comfortably.

Mixed Doubles is a new format introduced in tennis that involves teams consisting of one male and one female player. This format has become increasingly popular and is now played at major tournaments around the world.

Player Tracking System is a new technology that uses a combination of sensors and algorithms to track player movement and provide real-time feedback. This technology can help players improve their footwork, agility, and overall performance on the court.

In table tennis, a new rule was introduced that allows players to use two hands to hit the ball. This rule change was made to make the game more accessible to players with disabilities.