Harrisburg, Hermann, Russellville and New Haven were winners in Monday's first round of the South Callaway Tournament.
No. 1 Harrisburg opened in style, routing No. 8 Montgomery County 70-28.
Chelsey Kroese had 16 points to lead the winners, while Paige Hiebel and Sonja Eaves had 11 each.
Brandy Regan led Montgomery County with eight points.
Second-seeded Hermann ripped seventh-seeded South Callaway 60-26.
Corrine Lane had 13 points for Hermann and Laura Rethemeyer added 12.
Taylor Howard paced South Callaway with 11 points.
No. 3 Russellville advanced with a 60-21 victory against No. 6 New Bloomfield.
Russellville led 35-6 after the first quarter and 50-10 at halftime.
Amber Duncan and Kennedy Volkart led the Lady Indians (11-2) with 18 points each.
New Haven was the only lower seed to win Monday, as the fifth-seeded Lady Shamrocks beat No. 4 North Callaway 39-24.