Chase Thometz held the Clark (6-13) scoreless for seven innings to boost the Chemeketa (12-9) to a 3-0 victory.
Thometz struck out five and allowed no walks and five hits.
Cory Finlay racked up two RBIs on two hits for the Chemeketa. He singled in the second inning and tripled in the third innings.
Rian Bassett (1-3) took the loss for the Clark. He lasted just seven innings, walked three, struck out four, and allowed three runs.