Amy Appelt and Tyler Leachman scored in a 15-second span in the second half, and second-seeded Virginia beat Georgetown, 12-9, in the semifinals of the NCAA women's lacrosse tournament Friday night.

The victory was the Cavaliers' ninth straight, and it set up a rematch of last year's title game with two-time defending national champion Princeton on Sunday.

The top-seeded Tigers, who beat Virginia in overtime in last year's title game, advanced with an 11-3 win over Vanderbilt in the opening game at Princeton's Class of 1952 Stadium.

"Training in the offseason you don't want to have a heartbreaking loss like that again," Virginia's Amy Appelt said, referring to last year's loss.

Princeton (19-0) has won 28 straight games over the past two seasons. That includes a 12-9 win over Virginia earlier this season.

Appelt had four goals and two assists for Virginia (18-3). Leachman (Holton-Arms) added three goals, and Caitlin Banks and Morgan Thalenberg had two apiece.

Freshman Coco Stanwick had three goals to lead Georgetown, while Lauryn Bernier and Allison Chambers added two apiece.

Trailing 8-4 with 18 minutes 12 seconds to play, Georgetown scored four straight goals to tie the game. Stanwick got the first two and set up the next one by Anouk Peters. Allison Chambers tied the game with 9:34 to play on a free position shot.

Appelt, who came into the game with an 82 goals, the most in the country, needed 18 seconds to get the Cavaliers back on top, beating goalkeeper Sarah Robinson.

Leachman pushed the lead to two goals shortly after the ensuing faceoff. Appelt, who scored all her goals in the second half, made it a three-goal lead with a spectacular diving shot with six minutes to play.

Robinson had six saves for Georgetown, which was eliminated by Virginia for the second straight year in the tournament. The Cavaliers beat them in the quarterfinals, 16-7, in 2003.

"When you play catch-up against a team like Virginia, sometimes you never get there," Georgetown Coach Kim Simons said. "We spent a lot of energy getting it tied in the second half. When we did tie it, they just broke it open."

* PRINCETON 11, VANDERBILT 3: Theresa Sherry scored three goals, and the two-time defending champion Tigers used a big second half to beat the Commodores.

Kathleen Miller (St. Stephen's/St. Agnes) and Elizabeth Pillion added two goals apiece as the top-seeded Tigers (19-0) extended their winning streak to 28 games over the last two seasons.

Tara Hardiman, Caitlin Reimers, Lindsey Biles (Severn) and Ingrid Goldberg had goals for Princeton, which scored nine times in the second half to spoil the first final four appearance for Vanderbilt (12-6).

Kate Hickman scored twice and Loyola College transfer Lauren Peck (Broadneck) once for the Commodores, who were held to a season-low goal total. Vanderbilt had only seven shots on goal against Sarah Kolodner of Princeton.

Amy Appelt (four goals, two assists) tries to get by Georgetown's Michi Ellers during Virginia's 12-9 victory.