Baseball: Montesano and Tenino, the 1A Southwest Washington Evergreen Division favorites, clash in an early-week showdown.
When: 4 p.m.
Where: Tenino HIgh School
Boys soccer: Olympia, which has posted shutouts in two of its first three games, looks to remain unbeaten when it hosts South Kitsap in a 4A Narrows League game.
When: 7:15 p.m.
Where: Ingersoll Stadium
Fastpitch: Tumwater and W.F. West face off for the first time since they played in last year's 2A state title game in Selah. When: 4:30 p.m.
Where: Tumwater High School
College baseball: Saint Martin's aims for its second win in GNAC play when it hosts league-leading Western Oregon in a doubleheader.
When: 1 p.m., 4 p.m.
Where: Saints Baseball Field
College softball: Saint Martin's, winners of three of its past four games, welcomes in Western Washington for a GNAC doubleheader.
When: Noon, 2 p.m.
Where: Saints Softball Field