Behind 13 points from Kylie Smith, the Battle Ground Tigers scored their second league win of the season Tuesday.
The Tigers built a seven-point lead in the first half and withstood a third quarter rally from the Titans to hold on.
Morgan Stradley chipped in with nine points and two other Tigers had seven points.
Courtney Cranston scored a game-high 14 points for Union in the loss.
Kili Anderson had a team-high seven rebounds for Union to go along with seven points.
BATTLE GROUND 50, UNION 42
BATTLE GROUND — Grace Russell 7, Isabel Luke 2, Kayla Cruz 7, Brianna Adams 4, Alena Jarvis , Madison Reeves 2, Morgan Stradley 9, Kylie Smith 13, Kelly Poteet 6, Zoe Mosby 0, Anneke Kincaid 0, Billingsley 0. Totals 17 (4) 12-25 50.