Serena Williams and Venus Williams delighted Washington D.C. fans with an early morning practice session.
The stacked 32-player draw is the first 500 of the WTA's North American Swing
Seven-time Wimbledon champion is keeping "fingers crossed" he will be allowed to play in New York.
The hard court swing kicks up a gear next week in D.C. - here's what we'll be watching!
Live tennis on MSG Network will include four hours of match play every weekday from Monday, August 1st-Friday, August 19th.
Former US Open champion Sloane Stephens will return to Cincinnati.
US Open champion will work with Dmitry Tursunov in Washington, DC, Daily Mail reports.
