MUKILTEO — Kayla Ellis hit double to the left field wall in the top of the 10th inning that scored Tiana Lopez from second base, pacing Jackson to a 2-1 win over Kamiak in a Wesco 4A South game. Timberwolves starting pitcher Sophie Frost struck out 12 and allowed four hits in the complete-game victory. Kristyna Phan and Antionette Watson both hit doubles to lead the Knights in the loss. With the win Jackson clinches a district playoff berth. At Kamiak H.S.Jackson 100 000 000 1 — 2 11 1Kamiak 000 100 000 0 — 1 4 2Sophia Frost and Kayla Ellis. Jess Lambourn and Antionette Watson. WP—Frost (11-3). LP—Lambourn (4-8). 2B—Ellis (J), Kristyna Phan (K), Watson (K). Records—Jackson 8-3 league, 13-3 overall. Kamiak 2-9, 5-11.