Photo by PoPville flickr user thisisbossi
From a press release:
Due to unprecedented demand and excitement surrounding the Washington Nationals first NL East Division Championship, the team will release a limited number of Standing Room Only tickets this afternoon in advance of the National League Division Series games.
Beginning at 4:00 p.m. today, Wednesday, October 3, Nationals fans can purchase Standing Room Only tickets at nationals.com/postseason or via phone by calling 888.632.NATS(6287). Standing Room Only tickets can be purchased for $30 each on a first come, first served basis, and will be limited to two tickets per transaction.
In addition, the Nationals will sell a select number of Standing Room Only tickets on the day of each NLDS game at the Nationals Park Box Office, located at the Center Field Gate, once the Box Office opens. Standing Room Only tickets are non-exchangeable and non-refundable.