WTA Honors Founder Billie Jean King On International Women’s Day With Global Pledge To Women In Sports WTA - ST PETERSBURG, FL, USA - In honor of International Women’s Day and the WTA’s mission to create positive change through women’s tennis, the WTA is inviting all its partners and fans to join them in their commitment to increase female involvement in sports … [Read more...] about WTA Honors Founder Billie Jean King On International Women’s Day With Global Pledge To Women In Sports