Madison Keys ruled out of the Australian Open after testing positive for COVID-19.
The young American is through to the semifinals after beating the number two seed.
The former top 10 player is bidding to win his first ATP title since July 2019.
The tallest player and oldest player on the ATP Tour is through to round two.
It was day one of the Delray Beach Open and the first day of the new 2021 ATP season.
One of the most promising players on the WTA Tour could face a ban from the sport if she is unable to provide a sufficient reason...