Three Seattle-area based baseball teams and one from Portland make up the final four at the 13th Curt Daniels Invitational.
Round robin play of the 12-team tournament finished Sunday, determining the semifinalists.
Portland Baseball Club (4-1) won the Daniels Division with Baden Baseball (4-1) of Seattle finishing second.
Seattle Stars (5-0) won the Hopkins Division with Boys of Summer (4-1) out of Bellevue finishing No. 2.
Portland takes on Boys of Summer in the 10 a.m. semifinal Monday at Propstra Stadium in Vancouver, followed by Seattle vs. Baden at 12:30 p.m.