SAN BERNARDINO, Calif. — Mercer Island reached the semifinals of the Little League Baseball Northwest Regional Tuesday, finishing pool play as the only unbeaten team in the tournament with a 12-3 rout of Cody, Wyo.

Shortstop Justin Ho doubled, tripled, scored three runs and drove in two for Mercer Island (4-0), which had 13 hits. Parker Simpson, Jack Smith, Matt Boissoneault and Robert Weaver also had two hits apiece for the Washington state champions.

In Thursday's semifinals, Mercer Island plays at 8 p.m. on ESPN2 against an opponent to be determined after completion of pool play Wednesday. The regional title game is Saturday on ESPN, with the winner advancing to the Little League World Series in Williamsport, Pa.

Other baseball

• David Benson extended his scoreless-innings streak to 16, pitching seven innings as the Seattle Studs stayed alive at the National Baseball Congress World Series in Wichita, Kan., with an 8-0 loser-out victory over the Kansas Cannons. Bobby Joe Tannehill went 4 for 6 with a triple and three RBI for the Studs (3-1), who play Dodge City, Kan., on Wednesday.

Golf

• University of Washington golfer Jennifer Yang and UCLA's Erynne Lee of Silverdale qualified for match play, both at 5-over 149, after 36 holes of stroke play at the U.S. Women's Amateur in Cleveland. Failing to qualify were former Husky Sadena Parks, Seattle University graduate Caitlin McCleary, incoming Redhawks freshman Clare Sorensen and Cherokee Kim of DuPont.

• Brett Manke of Lakewood won medalist honors by one shot over four others, finishing stroke play at 2-under 71-71 — 142 in the Pacific Northwest Junior Boys Amateur at Port Ludlow Golf Club. Ryan Wallen of Blaine, Li Wang of Sammamish, Spencer Weiss of Sammamish and Joe Fryer of Mukilteo were at 143. Match play begins Wednesday.

Soccer

• Former Bellevue High midfielder Kate Bennett is transferring from California to Washington. A former national U-17 and U-18 team member, she made 12 starts in two seasons for the Bears.

• Seattle Pacific's men are No. 11 and the Falcons women are 19th in the National Soccer Coaches Association of America Division II preseason national rankings.

From sports-information reports.