The ITF Circuit is a series of professional tennis tournaments organized by the International Tennis Federation. It serves as a platform for players to gain experience and earn ranking points, helping them progress to higher-level competitions, such as the ATP Tour and WTA Tour. These tournaments are typically held at the entry-level for both men's and women's tennis, featuring various surfaces like clay, hard, and grass. Players often participate in the ITF Circuit to improve their skills and increase their visibility in the competitive tennis landscape.