Lucas Duda was under the microscope Saturday night to produce against a tough lefty starter. That he won the game against a respectable lefty reliever should count for something.

With Duda’s RBI single against Antonio Bastardo in the 11th inning responsible for the go-ahead run, the Mets beat the Phillies 2-1 at Citizens Bank Park for a second straight victory.

Duda had a single in three at-bats against Cole Hamels, which is all manager Terry Collins could have asked when he constructed Saturday’s lineup. Duda entered 1-for-13 (.077) lifetime against Hamels.

But it was the hit against Bastardo that carried the Mets. Eric Campbell had walked to load the bases with one out before Duda delivered with a single to right, scoring Curtis Granderson.

“I was lucky enough to elevate a ball and sneak it over the second baseman’s head,” Duda said.

Collins said he liked the entire approach by his first baseman, who entered batting only .149 against lefties this season.