![American Serena Williams (L) and Garbine Muguruza of Spain pose at the net before after their French Open women's final match at Roland Garros in Paris on June 4, 2016. Muguruza defeated American Serena Williams (L) and Garbine Muguruza of Spain pose at the net before after their French Open women's final match at Roland Garros in Paris on June 4, 2016. Muguruza defeated](https://c8.alamy.com/comp/TYYTR9/american-serena-williams-l-and-garbine-muguruza-of-spain-pose-at-the-net-before-after-their-french-open-womens-final-match-at-roland-garros-in-paris-on-june-4-2016-muguruza-defeated-williams-7-5-6-4-to-win-her-first-french-open-championship-photo-by-david-silpaupi-TYYTR9.jpg)
American Serena Williams (L) and Garbine Muguruza of Spain pose at the net before after their French Open women's final match at Roland Garros in Paris on June 4, 2016. Muguruza defeated
![Serena Williams retired from her Indian Wells encounter with Garbine Muguruza | Tennis News | Sky Sports Serena Williams retired from her Indian Wells encounter with Garbine Muguruza | Tennis News | Sky Sports](https://e0.365dm.com/19/03/768x432/skysports-serena-williams-tennis_4604630.jpg?20190311102542)
Serena Williams retired from her Indian Wells encounter with Garbine Muguruza | Tennis News | Sky Sports
![Serena Williams wins Wimbledon, her third major title in 2015 | Serena williams wins, Venus and serena williams, Serena williams Serena Williams wins Wimbledon, her third major title in 2015 | Serena williams wins, Venus and serena williams, Serena williams](https://i.pinimg.com/736x/0b/eb/cc/0bebccb496cbd422950ceaaf08f3c2d8--wimbledon-final-wimbledon-.jpg)
Serena Williams wins Wimbledon, her third major title in 2015 | Serena williams wins, Venus and serena williams, Serena williams
![Why Garbine Muguruza Will Be Serena Williams' Biggest Challenger in 2016 | News, Scores, Highlights, Stats, and Rumors | Bleacher Report Why Garbine Muguruza Will Be Serena Williams' Biggest Challenger in 2016 | News, Scores, Highlights, Stats, and Rumors | Bleacher Report](https://media.bleacherreport.com/w_800,h_533,c_fill/br-img-article/002/239/635/c96bd01e64203819a708e74f71e5fa5a_crop_exact.jpg)
Why Garbine Muguruza Will Be Serena Williams' Biggest Challenger in 2016 | News, Scores, Highlights, Stats, and Rumors | Bleacher Report
![Wimbledon 2015: Serena Williams Defeats Garbiñe Muguruza and Closes In on Grand Slam - The New York Times Wimbledon 2015: Serena Williams Defeats Garbiñe Muguruza and Closes In on Grand Slam - The New York Times](https://static01.nyt.com/images/2015/07/12/sports/alt3-12tennis-hp/alt3-12tennis-hp-superJumbo.jpg)
Wimbledon 2015: Serena Williams Defeats Garbiñe Muguruza and Closes In on Grand Slam - The New York Times
![Wimbledon 2015: Twitter hails champ Serena Williams, adores Garbine Muguruza | Sports News,The Indian Express Wimbledon 2015: Twitter hails champ Serena Williams, adores Garbine Muguruza | Sports News,The Indian Express](https://images.indianexpress.com/2015/07/serenamuguruzareuters-m.jpg?w=389)
Wimbledon 2015: Twitter hails champ Serena Williams, adores Garbine Muguruza | Sports News,The Indian Express
![Serena Williams says Garbine Muguruza played the big points better in the French Open final | Tennis News | Sky Sports Serena Williams says Garbine Muguruza played the big points better in the French Open final | Tennis News | Sky Sports](https://e0.365dm.com/16/06/2048x1152/serena-williams-garbine-muguruza-french-open_3478442.jpg)