Could we be looking at an All-American Sunday final of the 2011 Legg Mason Tennis Classic to be played at William H.G. FitzGerald Tennis Center in Rock Creek Park? American's John Isner and Donald Young continued their surprise runs through the Classic Friday, winning their quarterfinal matches and moving one step closer to an apt all-USA final of the ATP tournament held in the Nation's Capitol. Saturday's complete semifinal schedule is below:

Singles matches:

Donald Young (USA) vs Radek Stepanek (CZE) [Not before 3:00 PM, ESPN2]

Gael Monfils (FRA) vs John Isner (USA) [7:00 PM, Tennis Channel]

Doubles play begins at 12:45:

Marcelo Melo (BRA)/Bruno Soares (BRA) vs Michael Llodra (FRA)/ Nenad Zimonjic (SRB) [In Progress]

Robert Lindstedt (SWE)/ Horia Tecau (ROU) vs Tommy Haas (GER)/ Radek Stepanek (CZE) [begins after the conclusion of the 7:00 P.M. Monfils/Isner match]

For more on the tournament, head over to the SB Nation page on the event, and check out our Tennis blog The Daily Forehand.