The third deck has been covered up by green tarps since the start of the 2006 season for the A's, and was only opened for Oakland Raiders home games.
The tarps were originally put on to create a better atmosphere at the Coliseum, and because too many problems were occurring in the upper decks with fans. Before the start of the postseason, the A's announced that the tarps would not be removed for baseball's second season.
The seating capacity with the tarps is 35,077, which includes 1,000 standing room only tickets. The opening of the third deck will create an additional 11,406 seats per game.
Those seats will be made available to the randomly selected winners from the 125,000 fans who preregistered to purchase World Series tickets through oaklandathletics.com. Randomly selected winners will be notified by e-mail with instructions for ordering.
Major League Baseball has priced the tickets at $150.
Ryan Quinn is an associate reporter for MLB.com. This story was not subject to the approval of Major League Baseball or its clubs.