Jake Simmons held the Wenatchee Valley (3-14) scoreless for seven innings to boost the Walla Walla (14-4) to a 10-0 victory.
Simmons allowed five hits, no walks and struck out three.
The Walla Walla blew out the Wenatchee Valley thanks to eight hits, including zero extra base hits. The Walla Walla scored four runs in the fourth on the Walla Walla scored in the fourth on a two-run double by Ryan Riepma, an error, and an error.
Riepma racked up three RBIs on three hits for the Walla Walla.
Zace Lewis was charged with his third loss of the year. He allowed six runs in four innings, walked two and struck out one.