North Hall grabbed control of Region 6-3A with a 1-0 win over White County and Dawson County's loss to Chestatee on Wednesday.
The Trojans hold a one-game lead over the Tigers and Pickens.
Meanwhile, in Region 8-3A, Jefferson's 7-5 win over Oconee County leaves them atop the standings tied with Cherokee Bluff. Oconee County is now one game out of the top spot in Region 8-3A.
In Region 8-4A, Flowery Branch's 11-1 win over Madison County has them tied for second place with North Oconee. Walnut Grove remains in first place in Region 8-4A.
In Region 8-A Division 1, Banks County is at the top of the standings and has a one-game lead over Providence Christian.
HIGH SCHOOL BASEBALL SCOREBOARD FOR TUESDAY, March 18
Banks County 5, BASA 4*
Cherokee Bluff 7, East Hall 1*
Chestatee 5, Dawson County 4*
East Forsyth 8, Eastside 1*
Flowery Branch 11, Madison County 1*
Jefferson 7, Oconee County 5*
GAC 10, Johnson 0*
Pickens 5, Lumpkin County 1*
West Hall 4, Monroe Area 2*
North Hall 1, White County 0*
Commerce 4, Rabun County 2*
Towns County 4, Washington-Wilkes 1*
(* -- denotes region contest)