Jackson wrapped up a two-game sweep of Tracy in their amateur baseball playoff series with an 18-2 win in seven innings Saturday in Tracy.
The Bulls advance to the Region 13C Playoffs that open on Wednesday.
Four of the six series ended in two games.
Pipestone defeated Heron Lake 2-0, Hadley won 2-0 over Mountain Lake and the Milroy Irish downed Worthington 2-0.
There are two Game Threes Sunday, with Lakefield hosting Ruthton and Fox Lake entertaining Adrian.
Luverne and Windom received byes into the region playoffs.
Regional pairings will be determined Monday.
FIRST NITE-GOPHER LEAGUE PLAYOFFS
Jackson vs. Tracy
Jackson wins series 2-0
Wednesday - Jackson 21, Tracy 0 (7 innings)
Saturday - Jackson 18, Tracy 2 (7 innings)
Lakefield vs. Ruthton
Series tied 1-1
Wednesday - Lakefield 5, Ruthton 1
Friday - Ruthton 11, Lakefield 1 (8 innings)
Sunday - at Lakefield, 2 p.m.
Fox Lake vs. Adrian
Series tied 1-1
Wednesday - Adrian 9, Fox Lake 2
Friday - Fox Lake 17, Adrian 7 (7 innings)
Sunday - at Truman, 2 p.m.
Pipestone vs. Heron Lake
Pipestone wins series 2-0
Wednesday - Pipestone 4, Heron Lake 0
Saturday - Pipestone 3, Heron Lake 0
Hadley vs. Mountain Lake
Hadley wins series 2-0
Wednesday - Hadley 14, Mountain Lake 4 (7 innings)
Saturday - Hadley 9, Mountain Lake 7
Milroy Irish vs. Worthington
Milroy Irish win series 2-0
Wednesday - Milroy Irish 9, Worthington 1
Friday - Milroy Irish 6, Worthington 1