![Serena Williams and Roger Federer changed tennis forever. So will their retirements | Georgia Public Broadcasting Serena Williams and Roger Federer changed tennis forever. So will their retirements | Georgia Public Broadcasting](https://www.gpb.org/sites/default/files/styles/flexheight/public/npr_story_images/2022/09/18/gettyimages-1089315298-0df72b6fb453b96beb4fe3124451cbe377172786.jpg?itok=ZE3H6Aef)
Serena Williams and Roger Federer changed tennis forever. So will their retirements | Georgia Public Broadcasting
![Sensation as Novak Djokovic is defaulted at US Open after hitting lineswoman with ball - Tennis Majors Sensation as Novak Djokovic is defaulted at US Open after hitting lineswoman with ball - Tennis Majors](https://statics.tennismajors.com/app/uploads/2020/09/Djokovic_Referees_Us_Open_2020_defaut-1024x532.png)
Sensation as Novak Djokovic is defaulted at US Open after hitting lineswoman with ball - Tennis Majors
![Three-time champion Novak Djokovic is defaulted in Round of 16 at 2020 US Open - Official Site of the 2022 US Open Tennis Championships - A USTA Event Three-time champion Novak Djokovic is defaulted in Round of 16 at 2020 US Open - Official Site of the 2022 US Open Tennis Championships - A USTA Event](https://photo-assets.usopen.org/images/pics/large/f_USTA1241934_20200905_USO_1DC06972.jpg)
Three-time champion Novak Djokovic is defaulted in Round of 16 at 2020 US Open - Official Site of the 2022 US Open Tennis Championships - A USTA Event
![Explained: The default that led to Novak Djokovic's exit from the US Open 2020 | Explained News,The Indian Express Explained: The default that led to Novak Djokovic's exit from the US Open 2020 | Explained News,The Indian Express](https://images.indianexpress.com/2020/09/djokovic-ball-woman-1200-explained-reuters.jpg)
Explained: The default that led to Novak Djokovic's exit from the US Open 2020 | Explained News,The Indian Express
US Open Tennis on Twitter: "USTA statement on default of Novak Djokovic: https://t.co/dqlt0mokg9" / Twitter
![By the Book: Understanding the rule behind Djokovic's default - Official Site of the 2022 US Open Tennis Championships - A USTA Event By the Book: Understanding the rule behind Djokovic's default - Official Site of the 2022 US Open Tennis Championships - A USTA Event](https://photo-assets.usopen.org/images/pics/large/f_20200906_USO_2DC05716.jpg)