The USTA says that players from Russia and Belarus will be permitted to play in New York under a neutral flag.
The seven-time champion will play for the first time in a year.
Chilean tennis coach and former player Sebastian Rivera has been provisionally suspended from the sport.
"After having a scan this afternoon, an abdominal injury means I won't be fit to compete at Queen's this year," Andy Murray said.
The rising force opened eyes on the clay in Paris, and continued her progress last week in Valencia.
Puerto Rico's only Olympic gold medal winner announces the end of her tennis career.
Considerable upheaval in the ATP rankings on Monday June 13.
