This chart was developed for professional tennis data analysis newsletter called “Sliced Data.” This chart illustrates the top 30 Women’s Tennis Association players' likelihood to win games where they are serving in different situations. A serve hold is the term for when a player wins a game they are serving. A normal service hold is for a game without a direct outcome to the set, serving to with the set is when the player will win the set if they hold serve, and serving to stay in the set is when they will lose the set if they don’t hold serve.