Introduction There are many discussions on who could be considered the GOAT (Greatest Of All Time) in tennis. Arguments span from pure statistics and records to qualitative traits like sportsmanship and personality, and contenders include Roger Federer, Rafael Nadal, Serena Williams, and Steffi Graf. The goal of every tennis player is to be recognized as the sport's greatest of all time. The best tennis players of all time and why they deserve the title will be discussed in t