No. 1 Stanford and Cal Poly claimed NCAA Tournament berths on Friday and Navy, the final unbeaten Division I team, tasted defeat for the first time as most conference tournaments reached the semifinal stage.

Stanford clinched a share of the Pacific-10 Conference title, and earned the league's automatic berth to the 64-team NCAA field, as Hayley Hunt and Marcie Ward tallied in a 2-0 home victory over No. 23 Arizona State. Only UCLA — which the Cardinal beat, 1-0, Oct. 13 in Los Angeles — can catch the conference leader.

Cal Poly claimed its fourth Big West title, beating visiting UC Santa Barbara, 2-0, on goals by Megan Schlegel and Alexa Jontulovich in the decisive match.

Second-seeded Navy (16-1-4) dropped a 2-1 overtime decision to American in a Patriot League semifinal at West Point, N.Y., with Natalie Rodovsky scoring the winner. Charlotte lost its first match of the season Thursday night, to Marquette in a Conference USA semifinal.

Army, the Patriot League's top seed, also lost its tournament opener. Colgate, on goals by Kelly Kuss and Kate Barrett, earned a 2-1 victory.

The Black Knights were one of three No. 1 seeds to fall in semifinal openers on Friday, joined by William & Mary in the Colonial Athletic Association and Fairfield in the Metro Atlantic Athletic Conference.

In other action:

America East: Freshman goalkeeper Cindy Bennett made three stops in the tiebreaker as Stony Brook eliminated New Hampshire on penalty kicks after a 0-0 tie in an AEC semifinal. Tournament host Hartford romped past Northeastern, 3-0, as Jeanette Akerlund scored twice.

Atlantic Coast: No. 3 North Carolina, shut out in a draw with Maryland one week earlier, romped to a 4-0 victory in an ACC semifinal at Tallahassee, Fla. Susan Bush, Anne Morrell, Elizabeth Ball and Kacey White tallied for the top-seeded Tar Heels, who will face No. 12 Clemson — a 2-0 winner over Duke — in Sunday's final. Lindsay Browne and Deliah Arrington scored second-half goals for the second-seeded Tigers.

Atlantic Sun: Alison Blagriff's goal 78 seconds into the match spurred top-seeded Central Florida into the A-Sun final at Buies Creek, N.C. Jacksonville topped Florida Atlantic, 3-2, on Inge Heiremans' overtime goal.

Atlantic-10: Whitney Sikes' 80th-minute strike gave Richmond a 1-0 semifinal victory over A-10 tournament host Dayton. Claire Landon's first-half goal lifted top-seeded Rhode Island past George Washington, 1-0.

Big East: Megan Almanzo, Salla Ranta and Brittany Barakat found the net for No. 11 Connecticut in an impressive 3-0 semifinal victory over Villanova at Storrs, Conn. The Wildcats had surrendered only nine goals in their previous 19 matches. UConn will face No. 7 West Virginia in Sunday's final. The Mountaineers rallied to edge Rutgers, 3-2, on goals by Marisa Kanela in the 61st minute and Rachel Kruze in the 80th,

Big South: Michelle Matos stopped two penalty kicks and UNC Asheville won via the tiebreaker for the second successive night, eliminating top-seeded Liberty after a 1-1 tie in a semifinal at Charleston, S.C. Kelly Bertwell scored her second and third goals of the tournament to lead Radford past High Point, 3-0.

Big Ten: Seventh-seeded Ohio State won its second shootout in as many days, topping Purdue after seven rounds of penalty kicks following a 1-1 tie in Lansing, Mich. Defender Erica Nollen converted the decisive kick for the Buckeyes, who topped Michigan on PKs following a 1-1 draw in Thursday's semifinal. The Buckeyes face a title-game showdown with fifth-seeded Wisconsin, which edged Illinois, 1-0, on Jess Wolf's 58th-minute header.

Big 12: Christine Latham scored twice on breakaways, the second in the first minute of overtime, as Nebraska upset No. 6 Texas in a semifinal at San Antonio. The Cornhuskers will take on No. 4 Texas A&M in Sunday's title game. The top-seeded Aggies pulled out a 3-1 victory over Colorado, breaking a 1-1 tie on Heather Ragsdale's 82nd-minute goal.

CAA: Teri Joyce's goal with 38 seconds remaining in OT gave James Madison a 2-1 win over top-seeded William & Mary in the Colonial Athletic Association semifinals at Virginia Beach, Va. The Dukes meet George Mason, a 1-0 winner over Hofstra, in the final.

Horizon: Elizabeth Chudy scored in her fourth successive game as top-seeded UW Milwaukee topped visiting Wright State, 3-1, in a Horizon League semifinal. Krista Rott's OT goal lifted Butler past Detroit, 2-1.

MAAC: Sarah Artale's second goal of the game, 14 minutes into overtime, lifted Rider past top-seeded Fairfield in a semifinal clash at Poughkeepsie, N.Y. Annie DiPalo and Naomi Daniels scored as defending champion Loyola, Md., topped Siena, 2-1.

MAC: Danielle Berkemeier's first career hat trick led top-seeded Miami, Ohio, past Bowling Green, 3-0, in a Mid-American Conference semifinal. Kendra Hornschemeier's first goal of the season led Ohio U. past Ball State, 1-0.

Mid-Con: Jodi Kirkhuff's goal lifted top-seeded Oral Roberts into the Mid-Continent Conference final with a 1-0 victory over Southern Utah at Tulsa, Okla. Silje Moen's strike led defending champion Oakland past 10-woman Valparaiso, 1-0.

MVC: Regina Moench had a goal and an assist to lead top-seeded Creighton past Northern Iowa, 2-0, in a Missouri Valley Conference semifinal at St. Louis. Allison Farrington stopped a penalty kick to send Illinois State past Evansville on a shootout following a 1-1 tie.

Northeast: NEC Player of the Year Kelly Shimmin's 67th-minute penalty kick lifted top-seeded Central Connecticut State past Sacred Heart, 1-0, in a semifinal at New Britain, Conn. Monmouth topped Fairleigh Dickinson, 3-2, on Cheryl Wroblewski's overtime strike, her second goal of the match.

OVC: Megan Hejlek's 86th-minute winner carried top-seeded Southeast Missouri State past Tennessee Tech, 2-1, in an Ohio Valley Conference semifinal at Cape Girardeau, Mo. Teri LaRoche's goal lifted Illinois State past Tenn.-Martin, 1-0.

Pacific-10: Laura Schott's hat trick tied her with Joy Fawcett for the school career goals record with 55 as No. 21 California handled visiting Arizona, 4-1, in a conference clash. No. 20 Washington State got goals from Kim Morgan, Mariette Boyce, Nicole Wilcox and Carmen Anderson to drill No. 15 USC, 4-1, the host Cougars' fourth successive Pac-10 triumph, Kim Devine and Sarah-Gayle Swanson tallied in No. 2 UCLA's 2-1 triumph at Washington. Oregon State beat host Oregon, 2-1, in the ''Civil War.''

SEC: Danielle Murphy and Ashley Kellgren netted goals as six-time defending champion Florida reached the Southeastern Conference final with a 2-0 win over LSU at Oxford, Miss. The fourth-seeded Gators will meet No. 16 Tennessee in Sunday's final. The second-seeded Lady Vols beat Kentucky, 1-0, on Lyndsey Patterson's blast five minutes into overtime.

Southern: Carolyn Morris' goal carried College of Charleston past Georgia Southern, 1-0, in a SoCon quarterfinal at Greensboro, N.C. UNC Greensboro toppled Davidson on penalty kicks after a 1-1 tie, advancing to meet top-seeded Furman in a semifinal. Sixth-seeded Charleston meets seventh-seeded Wofford in the other semi.

Southland: Kim McNally netted her 20th and 21st goals of the season to lead top-seeded Southeastern Louisiana past La.-Monroe, 5-0, in an SLC semifinal at Hammond, La. Northwestern State topped defending champ Southwest Texas, 1-0, in the other semifinal.

WAC: A Holly Cohen hat trick, her 20th, 21st and 22nd goals of the year, led UTEP past host Rice, 6-2, in a Western Athletic Conference semifinal, setting up a rematch with top-seeded SMU in Saturday's final. The Mustangs edged Fresno State, 2-1, on Jill Heinemann's 107th-minute goal. SMU topped UTEP, 3-1, last weekend to win the regular-season title.