Hamilton 43, Chatsworth 34--Liz Sun scored 14 points for Chatsworth (16-12) in a City Division semifinal game at Loyola Marymount.
Forward Jody Gilzene had 12 points and 16 rebounds, and forward Mishale Hackett had 12 points and 13 rebounds for Hamilton (15-8).
Poly 52, North Hollywood 45--Guard Sef Vargas scored 19 points and had 11 assists, and forward Joe Edwards had 11 points and nine rebounds for the Parrots in a City Division semifinal game.
Vargas hit two clutch three-point baskets in the fourth quarter and sank free throws in the final minute to seal the victory for 13th-seeded Poly (16-11), which plays Jefferson in the championship game on Saturday at Loyola Marymount.
"Sef hit some big shots and Joe played the best game of his life," Poly Coach Jay Warner said.
"It was ugly but I'll take it."
Jason McKissick scored 11 points for the Huskies (14-13) and Dominic Johnson added nine points.
Rahmell Johnson had six assists, four steals and eight points, including a three-point basket that brought the Huskies to within 47-45 with 48 seconds left.