The temporary rule changes for the 2020 season would continue in the 2021 regular season: A runner will be placed on second base at the start of every half-inning of any game that goes into extra innings. Doubleheaders will be played as two seven-inning games.
Wild Card
LDS
LCS
World Series
NYY 2
BOS 6
STL 1
LA 3
TB 1
BOS 3
CHI 1
HOU 3
SF 2
LA 3
ATL 3
MIL 1
HOU 4
BOS 2
ATL 4
LA 2
Boston Red Sox - 2021 MLB Playoffs Logo
ATL 4
HOU 2
Champ
ATL
2021 MLB Champion Atlanta Braves
z: best record, c: conference winner, y: division winner, w: wildcard, x: clinched playoff spot

Wild Card Game

Single game matchup
Date    OpponentResultScoreSeries
10/5vs NY YankeesW  6-2 1-0

ALDS

Best of 5-game series
Date    OpponentResultScoreSeries
10/7at Tampa BayL  0-5 0-1
10/8at Tampa BayW  14-6 1-1
10/10vs Tampa BayW  6-4
13
2-1
10/11vs Tampa BayW  6-5 3-1

ALCS

Best of 7-game series
Date    OpponentResultScoreSeries
10/15at HoustonL  4-5 0-1
10/16at HoustonW  9-5 1-1
10/18vs HoustonW  12-3 2-1
10/19vs HoustonL  2-9 2-2
10/20vs HoustonL  1-9 2-3
10/22at HoustonL  0-5 2-4