The Queen led the tributes for British sensation Emma Raducanu after her "remarkable" US Open triumph.
World number two Naomi Osaka broke down in tears during a Western and Southern news conference in Cincinnati on Monday.
Six-time US Open champion Serena Williams will not take part in this year's event at Flushing Meadows due to a hamstring injury.
Neither Rafael Nadal nor Roger Federer will be present at the US Open, as the Spaniard revealed he too needs time to recover from injury.
Roger Federer turned 40 on Sunday, with Novak Djokovic leading the ATP Tour's tribute to the 20-time grand slam champion.
Novak Djokovic was beaten by Alexander Zverev in a dramatic semi-final at the Olympics, with the red-hot favourite left to play for bronze.
Japan's Naomi Osaka had her sights set on Olympic gold at Tokyo 2020, but the four-time grand slam winner suffered a third-round defeat.