Philadelphia Phillies vs Washington Nationals is a Major League Baseball regular-season game between two National League East clubs, played at Nationals Park in the Navy Yard neighborhood of Washington, D.C. The matchup pits the visiting Phillies against the home Nationals in a divisional contest that can influence MLB playoff standings during the season. Nationals Park, located along the Anacostia River, serves as the Nationals’ home ballpark and is notable as the first LEED-certified major professional sports stadium in the United States.