PHILADELPHIA -- The opener of a four-game series between the Nationals and Phillies at Citizens Bank Park was postponed because of inclement weather Monday night.

The teams will play a single-admission doubleheader Tuesday, with Game 1 beginning at 4:05 p.m. ET. Phillies ace Zack Wheeler (8-5, 3.71 ERA) will face Nationals right-hander Trevor Williams (5-6, 4.72) in Game 1.

Phils left-hander Ranger Suárez (2-5, 4.01) will face Nats right-hander Josiah Gray (7-9, 3.54) in Game 2, which will begin approximately 30 minutes after Game 1.

Gates will open at 3:05 p.m.

Tickets from Monday night’s game will not be valid for either game of Tuesday’s doubleheader.

The Phillies also announced:

• Tickets purchased from the Phillies – via phillies.com, MLB Ballpark App or over the phone – will be automatically credited to your Phillies ticket account in the amount of the ticket face value. The rainout credit can be used to purchase tickets to any remaining 2023 regular-season home game, based on availability.

• Fans who purchased Monday tickets on SeatGeek will receive an automatic credit to their SeatGeek.com account.

Fans are encouraged to visit www.phillies.com/postponement for more information regarding rainout tickets.