Alexei Popyrin makes his Top 25 debut after winning the title in Montreal.
The four-time major champ lost to 20-year-old Ashlyn Krueger.
US Open will host singles finals viewing parties in Louis Armstrong Stadium and the Fountain Plaza.
A look at the biggest risers inside this week's WTA rankings.
The pair will be joined by junior champs Matthew Forbes and Iva Jovic in the main draw.
Photographer Matthew Calvis is roaming the grounds of Cincinnati and shares these shots from Queen City.
"For a Serbian athlete, this is the most incredible emotion there is," Novak Djokovic told thousands of fans in Belgrade.
