The high school basketball playoffs have arrived around the state of Washington, and 11 teams completed their regular-season schedules earlier this month with perfect records against WIAA competition.

Eight of those programs also entered the playoffs with perfect overall records, while three more swept their in-state opponents, losing only in out-of-state contests.

Here’s a look at each of the 11 teams who were undefeated against WIAA opponents during the 2025-26 regular season:

BOYS BASKETBALL

Glacier Peak (4A)

Regular-season record: 20-0 (20-0 vs. WIAA opponents)

Key wins: Mount Spokane, West Valley of Yakima, Bremerton

What to know about Glacier Peak: Playing with more tempo, but always tough to score on.

Player to watch: G Reed Nagel, sr.

Up next: vs. Woodinville, 7 p.m. Tuesday (4A District 1/2 semifinals)

Richland (4A)

Regular-season record: 21-0 (19-0 vs. WIAA opponents)

Key wins: Corner Canyon (Utah), American Fork (Utah), Chiawana (two wins)

What to know about Richland: Almost a lock for 90 points a night, all MCC champions need is a little defense.

Player to watch: G Lance Horntvedt, sr. (averaged 27.9 points in regular season)

Up next: vs. Kamiakin, 7 p.m. Tuesday (4A District 6 semifinals)

Rainier Beach (3A)

Regular-season record: 20-1 (15-0 vs. WIAA opponents)

Key wins: Mater Dei (Calif.), Duncanville (Texas), Bishop McNamara (Md.), O’Dea (three wins)

What to know about Rainier Beach: It’s mid-February, and folks are discovering this team is more than just five-star senior Tyran Stokes and standout freshman JJ Crawford.

Player to watch: F Tyran Stokes, sr. (averaged 33.3 points, 11 rebounds in regular season)

Up next: vs. Garfield, 8 p.m. Tuesday at Bellevue College (3A District 2 quarterfinals)

R.A. Long (2A)

Regular-season record: 20-0 (20-0 vs. WIAA opponents)

Key wins: Fort Vancouver, Woodland (two wins), Columbia River (two wins)

What to know about R.A. Long: With deep troop of guards, led by the dynamic Josh Crane, Lumberjacks are one of best bets to tangle with defending state champion Bremerton in Yakima (especially if big man Rhet Young comes back).

Player to watch: G Josh Crane, sr. (averaged 16.5 points in regular season)

Up next: vs. Columbia River, 7:45 p.m. Tuesday at Woodland High School (2A District 4 semifinals)

Zillah (1A)

Regular-season record: 20-0 (20-0 vs. WIAA opponents)

Key wins: Royal (two wins), Grandview, Bainbridge, Cascade Christian

What to know about Zillah: The biggest and most experienced team in Class 1A, Zillah can just overwhelm opponents with its physicality.

Player to watch: SG Dekker Van De Graaf, sr. (averaged 18.3 points in regular season)

Up next: vs. Royal, 7 p.m. Friday at Toppenish High School (1A District 5 championship game)

Colfax (2B)

Regular-season record: 20-0 (20-0 vs. WIAA opponents)

Key wins: Central Valley, Pullman, Northwest Christian of Colbert

What to know about Colfax: Many feel with their lineup size and overall skill, they would be favorites in Class 1A, too.

Player to watch: G Adrik Jenkin, sr. (averaged 25 points in regular season)

Up next: vs. Freeman, 8 p.m. Wednesday at West Valley (Spokane) High School (2B District 6 semifinals)

GIRLS BASKETBALL

Chiawana (4A)

Regular-season record: 22-0 (21-0 vs. WIAA opponents)

Key wins: Prosser, Mead, Southridge (two wins)

What to know about Chiawana: The transformation from controlled interior-dominant to fast and perimeter-pressuring has been incredible.

Player to watch: G Baylee Maldonado, sr. (averaged 17.9 points in regular season)

Up next: vs. Mead, 6 p.m. Tuesday (4A District 6 semifinals)

Davis (4A)

Regular-season record: 19-2 (17-0 vs. WIAA opponents)

Key wins: Mission Hills (Calif.), Bellevue, Lake Washington, Zillah

What to know about Davis: Reigning state MVP Cheyenne Hull and her work rate make it all go — and if Davis is making perimeter shots, team is virtually unbeatable.

Player to watch: F Cheyenne Hull, jr. (averaged 19.5 points in regular season)

Up next: vs. Eisenhower, 6 p.m. Thursday (4A District 5 championship game)

Gonzaga Prep (4A)

Regular-season record: 19-0 (18-0 vs. WIAA opponents)

Key wins: Mead (two wins), Ridgeline (two wins), Clarkston

What to know about Gonzaga Prep: Might lack true post presence that 2024 state runner-up team had, but Gonzaga Prep has three legitimate two-way perimeter playmakers.

Player to watch: G Aylah Cornwall, jr. (averaged 17.5 points in regular season)

Up next: vs. Richland, 5 p.m. Tuesday (4A District 6 semifinals)

Union (4A)

Regular-season record: 19-2 (18-0 vs. WIAA opponents)

Key wins: Skyview (three wins), Evergreen of Vancouver (two wins), Lake Washington, Tahoma, Eastside Catholic

What to know about Union: Lineup slots much better around Oregon signee Brooklynn Haywood than last year’s state-participating squad as Titans are more well-rounded.

Player to watch: G Brooklynn Haywood, sr. (averaged 32 points in regular season)

Up next: vs. Tahoma, 6 p.m. Wednesday at Auburn High School (4A District 3/4 semifinals)

Lynden (2A)

Regular-season record: 20-0 (20-0 vs. WIAA opponents)

Key wins: Tahoma, Stanwood, Lynden Christian, King’s, Bellevue Christian, Napavine

What to know about Lynden: All that size and experience make the two-time defending 2A champions a heavy favorite to win a third state title. Elite defensive group.

Player to watch: G Finley Parcher, jr. (averaged 22.8 points in regular season)

Up next: vs. Archbishop Murphy, 5:30 p.m. Thursday at Mount Vernon High School (2A District 1 championship game)