Class 5A
Regional quarterfinals
Amarillo High (33-3) vs. Lubbock Monterey (31-5-1), at Lady Bulldogs Softball Complex, Plainview
Game 1: 6 p.m. Thursday
Game 2: 3 p.m. Friday
Game 3: 30 minutes following Game 2, if necessary
Class 4A
Regional quarterfinals
Canyon (19-14) vs. Pampa (21-8)
Game 1: 5 p.m. Thursday, West Plains HS
Game 2: 5 p.m. Friday, Canadian
Game 3: 30 minutes following Game 2, if necessary
Randall (27-11) vs. Dumas (29-7)
Game 1: 5 p.m. Thursday, Dumas HS
Game 2: 3 p.m. Friday, Randall HS
Game 3: 30 minutes following Game, if necessary
Class 3A
Regional quarterfinals
Bushland (28-7) vs. Idalou (29-7)
Game 1: 6 p.m. Thursday, Lubbock-Cooper HS
Game 2: 6 p.m. Friday, West Plains HS
Game 3: 2 p.m. Saturday, Floydada, if necessary
River Road (22-10) vs. Lamesa (18-3), (one-game), 7 p.m. Thursday, at Littlefield HS (one-game playoff)
Class 2A
Regional quarterfinals
Sanford-Fritch (25-8) vs. Colorado City (14-6), at Lubbock-Cooper HS
Game 1: 5 p.m. Friday
Game 2: 1 p.m. Saturday
Game 3: 30 minutes following Game 2, if necessary