Six Antelope Valley softball teams qualified for the CIF Southern Section playoffs as postseason rosters were released Saturday afternoon.
Three teams that have won a league championship will play first-round matches at home on Thursday.
Highland and Quartz Hill shared the Golden League title and both will host first-round matches, as will Heritage League champion Vasquez.
Highland and Quartz Hill shared a two-game series in the final week of the regular season and both finished with league records of 13-1.
Quartz Hill (18-5) will host a Division 3 first round game against Los Altos (16-10) on Thursday.
Los Altos finished tied at three for second place in the Hacienda League with Walnut and Diamond Bar.
The Royals qualified for the second round of Division 3 last season
Highland (13-2) will host Buena (12-13) in a Division 4 first round game on Thursday.
The Bulldogs advanced to the second round of Division 3 last season, losing to No. 1 seed Whittier Christian.
Buena finished third in the Pacific View League.
Vasquez (19-7) will host San Marino (13-8) for a Division 5 first round game on Thursday.
Vasquez finished unbeaten in the Heritage League and lost a Division 6 first round tie last year to visiting Lancaster.
San Marino finished third in the Rio Hondo League and was ranked No. 8 in the latest Division 5 poll.
Three Valley teams will play first-round games on the road Thursday.
Lancaster (14-7) will play a Division 4 first-round game at Dos Pueblos (21-5) on Thursday.
Lancaster finished third in the Golden League with a 10-4 record and advanced to the Division 6 quarter-finals last season, losing to No. 1 seed and eventual champion St. Bonaventure.
Dos Pueblos is the Channel League champion and was ranked No. 10 in the last Division 4 poll. Dos Pueblos lost in the first round of Division 3 last year at Quartz Hill.
Paraclete (20-6-1) will play a Division 5 first-round game at St. Monica Catholic (15-3) on Thursday.
Paraclet finished second in the Gold Coast League with a 6-2 record, with two losses to undefeated league champion Sierra Canyon.
The Spirits lost in the first round of Division 4 last year, playing No. 1 seed Sherman Oaks-Notre Dame.
St. Monica Catholic won the Santa Fe League title, finishing undefeated at 8-0. St. Monica finished second in Division 7 last season.
Littlerock (12-7) will play a Division 7 first round match at Hesperia Christian (11-8) on Thursday.
Littlerock finished fourth in the Golden League (8-6), was ranked No. 8 in the last Division 7 poll, and were the only Valley team to be ranked.
The Lobos had their best season in 17 years, qualifying for the playoffs for the first time since 2005, when the Lobos finished third in the Golden League.
Hesperia Christian shared the Agape League title with the Careers and Exploration Academy, both finishing 5-1.