Battle for world No 1 ranking: Novak Djokovic's defeat opens door for Carlos Alcaraz and Daniil Medvedev
![ATP Tour on Twitter: "A magnificent achievement for @DaniilMedwed 👏 For the first time since July 2005, a man not named Federer, Nadal, Djokovic or Murray is in the top two of ATP Tour on Twitter: "A magnificent achievement for @DaniilMedwed 👏 For the first time since July 2005, a man not named Federer, Nadal, Djokovic or Murray is in the top two of](https://pbs.twimg.com/media/EwgQpA6UcAcQXyh.jpg:large)
ATP Tour on Twitter: "A magnificent achievement for @DaniilMedwed 👏 For the first time since July 2005, a man not named Federer, Nadal, Djokovic or Murray is in the top two of
![Tennis world rankings: Daniil Medvedev ends 15-year record that highlights true muscle of ATP's 'big four' Tennis world rankings: Daniil Medvedev ends 15-year record that highlights true muscle of ATP's 'big four'](https://wp.inews.co.uk/wp-content/uploads/2021/03/PRI_183407482.jpg)