Nikki Bond scored 23 points and Tessa Vanderpool 18 as the Tigers held on in the loser-out game at Puyallup to remain alive in the 4A bi-district tournament.
Battle Ground plays another loser-out game at 6 p.m. Saturday at Rogers High School against Bethel.
Kentridge battled back from a 16-point halftime deficit as the Tigers struggled from the free-throw line, making just 9 of 27.
Vanderpool also had eight steals, five rebounds and five assists.
BATTLE GROUND 59, KENTRIDGE 57
BATTLE GROUND — Nikki Bond 23, Haley Hamilton 3, Tessa Vanderpool 18, Chelsie Aguigui 5, Taya O’Hanlon 2, Liz Smarr 0, Dominqie Lyons 0, Madison Barr 0, Mallory Olson 8. Totals 16 (6) 9-27 59.