Serg Ovchinnikov scored 22 of his game-high 23 points in the second half as the Tigers advanced to the 4A bi-district tournament by winning the play-in game at Auburn.
Jake Belford had 13 points, 10 rebounds, four assists and two blocked shots for Battle Ground.
The Tigers (14-7) next face Kentwood at Kent on Tuesday or Wednesday.
BATTLE GROUND 61, SPANAWAY LAKE 51
BATTLE GROUND (14-7) — Jamie Ford 8, Damien Ford 8, Jake Sachen 0, Jordan Olsen 0, Serg Ovchinnikov 23, Trevor Ingram 3, Tim Shkarovskiy 0, Miles Luke 0, Kevin Haynes 0, Jake Belford 14, Kaleb McGary 5, Daniel Duong 0. Totals 13 (10) 5-9 61.
SPANAWAY LAKE — Dupree Turner 3, Aaron Sims 7, Mike Smith 4, Braxton Tucker 15, Trevon Brown 3, Miles Springer 13, Quami Awadjie 6. Totals 13 (4) 13-21 51.
Battle Ground 10 8 20 23–61
Spanaway 11 5 15 20–51
