The Women's Tennis Association (WTA) Tour is the principal professional tennis circuit for women. Founded in 1973 by Billie Jean King, the WTA Tour features a series of tournaments held worldwide, culminating in the prestigious WTA Finals. Players earn ranking points based on their performance, which determines their position in the WTA Rankings. The tour includes various levels of events, such as Grand Slam tournaments, WTA 1000, WTA 500, and WTA 250 events. The WTA aims to promote women's tennis and provide opportunities for female athletes to compete at the highest level, showcasing their talent and skills globally.