Maggie Phillips (right) and Loudoun County are two wins away from a seventh straight Region II title while Shannon Williams, Megan Ellis and Stone Bridge are aiming for their third Northern Region crown. (Richard A. Lipski/FOR THE WASHINGTON POST)

Virginia volleyball region semifinals took place Tuesday, setting the stage for Thursday’s semifinals with state tournament berths on the line. Here are Tuesday’s quarterfinal results and the semifinal schedules for the Northern and Northwest Regions in AAA and AA Region II.

AAA Northern Region

Madison (4) def. Robinson (2) 25-14, 25-23, 15-25, 25-17

The Warhawks failed to reach the region tournament last season with an 11-13 record but now find themselves one win away from the state tournament.

Langley (1) def. Washington-Lee (2) 16-25, 25-18, 25-20, 25-21

Fresh off their first Liberty District tournament title since 2007, the Saxons will look to snap a streak of two straight five-set losses in the region semifinals.

Stone Bridge (2) def. Centreville (4) 25-20, 25-12, 25-12

The second-ranked Bulldogs moved one step closer to defending their consecutive region titles and advancing to a third straight state tournament. Ryan Ackermann led Stone Bridge with 15 kills, Sarah Fairchild had 17 assists and Cydney Gill added 37 assists in the win.

South County (2) def. Oakton (1) 23-25, 25-20, 25-14, 25-23

The Stallions are into the semifinals for the first time since 2010 when they won the region and advanced to the state final. They knocked off Stone Bridge in the semifinals that season, and the Bulldogs have not lost in the Northern Region tournament since.

Thursday’s semifinals (at Centreville):

Madison (21-7) vs. Langley (23-4), 6 p.m.

Stone Bridge (24-2) vs. South County (24-6), 8 p.m.

AAA Northwest Region

Albemarle (1) def. Franklin County (2) 25-12, 25-10, 25-14

The Patriots (28-0) breezed past Franklin County with 18 combined kills from juniors Lexi Brown and Chelsea Woodfolk. The Daily Progress has the details.

Broad Run (1) def. Forest Park (2) 25-9, 25-22, 27-25

The Cedar Run champions are through to the semifinals one year after they fell in five sets in the quarterfinals.

Osbourn Park (1) def. Freedom-South Riding (2) 25-20, 25-22, 23-25, 25-15

Katie White paced the Yellow Jackets with 13 kills, Courtney Krebs and Meagan Sanchez each had 22 digs and Raquel Sheriff chipped in five blocks.

Patrick Henry-Roanoke (1) def. Colonial Forge (2) 25-16, 25-23, 25-22

The Western Valley District champion Patriots are aiming to return to the region final and the state tournament for a second straight year. Senior setter Caroline Brailsford paced the offense with 27 assists. The Roanoke Times has the full story.

Thursday’s semifinals:

Broad Run (20-8) at Albemarle (28-0), 7 p.m.

Patrick Henry-Roanoke (21-10) at Osbourn Park (20-3), 6 p.m.

AA Region II

Loudoun County (1) def. Loudoun Valley (4) 25-13, 23-25, 25-17, 25-15

Maggie Phillips piled up 22 kills to lead the offense, Kelsey Slack had 21 digs and Megan Fox chipped in 49 assists for the Raiders who moved within two wins of their seventh straight region title.

Handley (2) def. Western Albemarle (1) 25-19, 24-26, 25-13, 20-25, 15-13

The Judges fended off a stiff challenge and face a far stiffer one when they travel to Leesburg to face the Raiders on Thursday. The Daily Progress has the details.

James Wood (1) def. Powhatan (2) 21-25, 25-19, 27-25, 23-25, 15-9

The Colonels outlasted Powhatan to return to a second straight semifinal. Last season they fell to eventual champion Loudoun County. Katie Hauser led James Wood with 25 kills and Tarah Wampler added 17, as reported by the Winchester Star.

Potomac Falls (2) def. Kettle Run (1) 25-22, 25-15, 25-13

Co-Dulles District player of the year Kayla Carlton had 18 kills and 21 digs, Makaely Thomas had 12 kills and 10 digs and Eileen Fauteux added 28 assists for the Panthers. Their dream season rolls on into the semifinals where they lost to Western Albemarle last season to miss out on the state tournament.

Thursday’s semifinals:

Handley (16-6) at Loudoun County (23-1), 7 p.m.

Potomac Falls (19-5) at James Wood, 7 p.m.