No. 9 Chesapeake-AA 7, South River 2: Haley Downin got her ninth win and also hit a two-run homer in the third inning as the host Cougars (12-4) beat the Seahawks (10-7).
McDonogh 11, Notre Dame Prep 0: Right-hander Nikki West (10-4) gave up two hits, walked two and struck out 10 as the Eagles (10-4, 9-3 Interscholastic Athletic Association of Maryland A Conference) beat the host Blazers (2-9, 2-9).
No. 2 Chesapeake-AA 5, South River 1: Winning pitcher Joe Seidler worked seven innings, gave up one run on four hits, walked one and struck out nine as the host Cougars (15-2) beat the Seahawks (11-6).
No. 8 River Hill at No. 6 Howard: The scoreless game was postponed in the 12th inning because of darkness. The Hawks (13-2) and Lions (12-3) have been tentatively rescheduled to play today.