Tuesday at Adelphi University
No. 3 Port Washington vs. No. 2 Massapeqa, 4 p.m.
No. 4 Oceanside vs. No. 1 Farmingdale, 6 p.m.
Wednesday at Adelphi University
No. 4 Long Beach vs. No. 1 Garden City, 4 p.m.
No. 3 Wantagh vs. No. 2 Manhasset, 6 p.m.
Thursday at Adelphi University
No. 4 Locust Valley vs. No. 1 Cold Spring Harbor, 4 p.m.
No. 3 Seaford vs. No. 2 North Shore, 6 p.m.
* The winners advance to the county finals, which will be played May 30 at Adelphi. The Class C game will be at 4 p.m.; the Class B game at 6 p.m.; the Class A game at 8 p.m.