The Castlemont High girls basketball team is the No. 1 seed in the Oakland Section playoffs after winning a coin flip this afternoon, Oakland Section commissioner Michael L. Moore Sr. confirmed. The Knights and Skyline finished the Oakland Athletic League season tied for first and are co-champions. Both Castlemont and No. 2 Skyline have first-round byes in the section playoffs and will host a semifinal game next Thursday. The first-round girls basketball matchups on Tuesday are No. 6 Fremont at No. 3 Oakland Tech and No. 5 Oakland at No. 4 McClymonds. Both games will start at 5 p.m.