Serena Williams defends Meghan Markle following her bombshell interview with Oprah Winfrey, Daniil Medvedev makes history as he snaps The Big Four's hold on the top two ATP ranking spots, and International Women's Day gives us a chance to look back at the achievements of women in tennis. #TheBreakTC Subscribe to Tennis Channel on YouTube: http://www.youtube.com/subscription_center?add_user=tennischannel