The toughest opponent that tennis players often face cannot be seen across the net. Yet, its presence is constantly felt from anywhere on the court. A hot environment can be a dangerous and unrelenting enemy, especially to those who are unprepared. In order to manage all prematch, during-play and postmatch dietary aspects well. To obtain optimal effectiveness, all strategies for managing fluid and electrolyte losses should be based on player-specific requirements and considerations, and any new routine should be practiced prior to an important match or tournament.