NEW YORK -- One of the most anticipated series of the early season will have to wait another day.

Monday’s opener between the Mets and Giants was postponed due to rain. To make it up, the teams will play a single-admission doubleheader beginning at 3:10 p.m. ET on Tuesday at Citi Field. The series will then continue with a 7:10 p.m. ET game on Wednesday and a 1:10 p.m. ET finale on Thursday.

The Mets will use Monday’s original starter, Tylor Megill, in Game 1 of the doubleheader, along with Tuesday’s scheduled starter Max Scherzer in the nightcap. San Francisco will start right-handers Alex Cobb and Logan Webb in Games 1 and 2, respectively.

Although it had not begun raining when the Mets postponed the game, heavy precipitation was expected over Citi Field throughout the evening. The forecast is far clearer for the rest of the week.

Fans with tickets to Monday night’s game cannot use them for Tuesday’s doubleheader. Instead, the Mets will replace those tickets with vouchers redeemable for any remaining home game, including the doubleheader (but excluding the July 9 Keith Hernandez number retirement, the July 26-27 Subway Series, and Aug. 27 Old-Timers’ Day). The voucher will be automatically loaded into the My Mets Tickets section of the Ballpark app.

Fans with tickets to Tuesday’s game may attend the entire doubleheader, with gates opening at 2:10 p.m. ET. Game 2 will begin approximately 30-40 minutes after the conclusion of Game 1.

When the series begins, it will pit two of the National League’s best teams against one another. The Mets are off to a 7-3 start, good enough for first place in the NL East. The Giants are a half-game better at 7-2, tied with the Dodgers atop the NL West.

A significant reason behind the Mets’ early success has been their rotation, which posted the lowest ERA (1.07) in baseball history by a team through the first 10 games of a season. That’s despite the absence of Jacob deGrom, who continues to nurse a right shoulder injury. deGrom’s rotation replacement, Megill, has yet to allow a run in 10 1/3 innings.