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09/01/09 6:20 PM ET

Register for possible Phils playoff tickets

Winners will be randomly selected from registration list

PHILADELPHIA -- The Phillies entered Tuesday's series opener against the Giants at Citizens Bank Park with a 7 1/2-game lead in the National League East.

They could be on their way to a third consecutive division title.

In preparation for potential postseason games, registration has begun for postseason ticket opportunities at phillies.com. Fans who register through noon ET on Sept. 16 will be eligible to win an opportunity to purchase playoff tickets to the National League Division Series, NL Championship Series or World Series at Citizens Bank Park. Registration will continue after Sept. 16 for the NLCS and World Series.

All 2009 season-ticket holders received postseason ticket options in August.

The Phillies said names will be randomly selected from the registration list. Winners will have the opportunity to purchase up to three tickets to one predetermined postseason game.

Todd Zolecki is a reporter for MLB.com. This story was not subject to the approval of Major League Baseball or its clubs.