Waldron and Morristown advanced through their opening volleyball sectional matches while Shelbyville and Southwestern were eliminated.
On Thursday at the Edinburgh Sectional, Waldron collected win No. 20 of the season with a 25-12, 25-20, 25-16 victory over the host Lancers (9-21).
Waldron improved to 20-10 this season and will face Hauser (17-14) in the first semifinal match Saturday at 11 a.m. The Jets defeated the Mohawks, 20-25, 25-11, 25-19, 25-14 on Sept. 17.
In the other quarterfinal match Thursday at Edinburgh, Morristown defeated Southwestern, 25-14, 25-9, 25-20. The Yellow Jackets pushed their record to 14-16 this season.
Southwestern closed out its season with a 9-19 record.
Morristown returns to Edinburgh Saturday to face Greenwood Christian Academy (14-14) in the second semifinal match. The Yellow Jackets defeated Greenwood Christian, 25-19, 20-25, 25-18, 25-10 on Oct. 7.
At Shelbyville Thursday, Greenwood and Franklin advanced through the quarterfinal round with sweeps of Whiteland and Shelbyville, respectively.
Greenwood defeated Whiteland, 25-18, 25-18, 25-18 to improve to 18-12 this season. The Woodmen will face Franklin Central (11-19) Saturday in the semifinals.
Franklin topped Shelbyville for the second time this season, 25-22, 25-22, 25-15. The Golden Bears closed out the season with a 16-14 record.
Franklin (12-17) returns to Garrett Gymnasium Saturday to face Center Grove (20-9) in the other semifinal match.
Triton Central travels to Scecina Saturday for the semifinal round of the four-team sectional.
Covenant Christian (22-6) takes on Scecina (18-12) in one semifinal while Triton Central (14-10) faces Irvington Prep in the other semifinal.
Triton Central is 0-2 against Covenant Christian and Scecina this season.