Jack Hotchkiss finished a three-hit night with a game-winning double as Battle Ground baseball beat Skyview 5-4 in eight innings on Thursday.
With the win in their regular-season finale, the Tigers clinch the second of three postseason berths in the 4A Greater St. Helens League.
Skyview needs Camas to beat Union on Friday for its playoff hopes to stay alive.
Timothy Linster pitched five innings of solid relief, striking out eight an allowing one unearned run for Battle Ground.