The Barons broke a scoreless tie with three runs in the fifth, then added two more in the sixth to record a 5-1 Labor Day win over the Lookouts in Birmingham on the final day of the regular season.
Chattanooga was out hit 6-to-4 and the Lookouts committed two errors.
Inning by inning recap of the game.
The Jackson Generals finished in first with the best overall record in the North Division of the Southern League with a record of 79-60. Chattanooga was second at 73-65.
The Generals won the first half, and Chattanooga won the second half. The teams will play a best-of-five series. The first two games will be played in Jackson on Sept. 6, 7; Game three and, if necessary, four and five will be played at AT&T Field beginning Sept. 8.
Chattanooga was swept last year in the first round of the playoffs by the Tennessee Smokies.