Maria Sharapova

A Cryptocurrency payment company, MoonPay, raise $87 million for more than 60 high-profile investors.

Nadal, Federer and Djokovic posted black screenshots on Twitter and Instagram with the message “Black Lives Matter”

Former world number one has hardly played in the past year because of long-standing shoulder problems

Five-time Grand Slam champion called time on her career after losing a long-term battle with shoulder trouble

32-year-old former world number one carried a haunted look at times in a 3-6, 4-6 defeat to Croatia's Donna Vekic

Serena Williams beat the Russian for the 19th time in a row to improve her record in the rivalry to 20-2

Novak Djokovic and Naomi Osaka are the defending champions at the US Open

US and Australian Open champion needed more than two hours to outlast Aliaksandra Sasnovich 7-6 (7/3), 2-6, 6-2

Sharapova, competing for the first time since retiring from her first-round match at Wimbledon

Russian superstar has not played since the end of January after taking time out to recover from a shoulder injury