see Brackets for Section XI Tournament
http://www.sectionxi.org/TOUR/bbkb.htm 

2023-24
Regional Semi-finals
Class B: Sec VIII at Sec XI
Class C: Sec VIII at Sec XI
Class D: Sec IX at Sec XI

Regional finals
Class AAA: Sec XI at Sec VIII
Class AA: Sec XI at Sec VIII
Class A: Sec XI at Sec VIII
Class B: winner of Sec VIII/XI at winner of Sec I/IX
Class C: winner of Sec VIII/XI at winner of Sec I/IX
Class D: winner of Sec I/IV at winner of IX/XI

NYSPHSAA Championship
https://nysphsaa.org/tournaments/?id=3&path=