The start of the game was delayed by 3 hours, 41 minutes, and the final out wasn't recorded until Sunday at 2:29 a.m.
Anthony Rendon and Adam LaRoche led off the 11th with singles against David Carpenter (4-2). After Bravesleft fielder Justin Upton made a leaping catch of Ian Desmond's liner, James Russell walked Bryce Harper to load the bases.
Ramos then drove in Rendon with a single up the middle off Anthony Vavaro, Atlanta's third pitcher of the inning. Devin Frandsen's double to right field drove in two runs to make it 4-1.
Tyler Clippard (7-2) pitched a scoreless 10th inning, and Rafael Soriano got three outs for his 26th save in 30 chances.