High School Basketball boys Region I quarterfinal pairings

Class 5A

Regional quarterfinals 

Lubbock Monterey (25-9) vs. Amarillo High (32-4), 8 p.m. Tuesday, Rip Griffin Center, Lubbock Christian University

Mansfield Summit (28-4) vs. Mansfield Timberview (19-14), 7 p.m. Tuesday, Mansfield High School

El Paso Parkland (26-8) vs. El Paso Chapin (28-6), 6 p.m. Tuesday, Don Haskins Center, El Paso

Fort Worth Wyatt (19-10) vs. Burleson Centennial (28-7), TBA

Class 4A

Regional quarterfinals 

Canyon (29-2) vs. Seminole (26-8), 6:30 p.m. Tuesday, Rip Griffin Center, Lubbock Christian University

Krum (22-10) vs. Wichita Falls Hirschi (18-11), 7:30 p.m. Tuesday, Mineral Wells

El Paso Riverside (17-12) vs. Randall (27-9), 3 p.m. Tuesday, Andrews

Burkburnett (24-9) vs. Lubbock Estacado (23-12), 6 p.m. Tuesday, Abilene High

Class 3A

Regional quarterfinals 

Brownfield (16-16) vs. Childress (24-7), 7 p.m. Tuesday, Floydada

Bowie (21-11) vs. Wichita Falls City View (25-6), 6:30 p.m. Tuesday, Olney

Shallowater (24-3) vs. Dimmitt (17-11), 7:30 p.m. Tuesday, Frenship

Vernon (23-9) vs. Brock (24-7), 6:30 p.m. Monday, Graham

Class 2A

Regional quarterfinals 

Floydada (34-5) vs. Farwell (27-4), 6 p.m. Tuesday, Dimmitt

Plains (28-6) vs. Reagan County (29-9), 6:30 p.m. Tuesday, Odessa Permian

New Deal (25-8) vs. Gruver (27-9), 6 p.m. Tuesday, Canyon High School

Christoval (22-13) vs.  New Home (28-7), 6 p.m. Tuesday, Andrews

Class 1A

Regional quarterfinals 

Nazareth (23-8) vs. Texline (30-4), 6 p.m. Monday, Vega

Grady (21-6) vs. Lorenzo (23-11), 6 p.m. Tuesday, Lamesa

Happy (21-9) vs. Silverton (18-9), 7:30 p.m. Tuesday, Canyon

Jayton (26-2) vs. Whiteface (24-6), 6 p.m. Tuesday, Frenship