Marcus, North Crowley Square Off Friday Night

FORT WORTH (CBSDFW.COM) - Defending Class 5A state champion Flower Mound Marcus, led by McDonald's All-American Marcus Smart, faces its toughest challenge yet in the UIL state playoffs when it squares off against 6^th-ranked North Crowley tonight at 6 p.m. in the state's marquee matchup as regional tournaments tip off across Texas.

It's a showdown between two of the top high school basketball teams in the state of Texas, and you can see live updates from Wilkerson-Greines Activity Center in Fort Worth tonight at 6:30 on TXA 21 The Fan.

Here's the regional tournament schedule for DFW area teams:

Class 5A

Region I

Fort Worth

6:00 - #1 FM Marcus vs. #6 North Crowley

8:00 - #3 South Grand Prairie vs. El Paso Hanks

Finals – 1:00, Saturday

Region II

Waco

6:00 – Naaman Forest vs. College Park

8:00 - #8 DeSoto vs. Spring Westfield

Finals – 4:00, Saturday

Class 4A

Region I

Snyder

4:00 – Denton Ryan vs. #4 Trimble Tech

6:00 – Arlington Heights vs. #5 Frenship

Finals – 2:00, Saturday

Region II

Garland

6:00 - #7 Kimball vs. Manor

7:30 - #6 South Oak Cliff vs. West Mesquite

Finals – 3:00, Saturday

Class 3A

Region I

Lubbock

7:00 – Alvarado vs. #2 Lubbock Estacado

Finals – 8:00, Saturday

Region II

Commerce

6:00 - #6 Wilmer-Hutchins vs. Lindale

8:00 - #11 Argyle vs. #16 Pleasant Grove

Finals – 2:00, Saturday

Class 2A

Region II

Stephenville

6:00 – Life Red Oak vs. Whitewright

8:00 – Brock vs. Marlin

Finals – 2:00, Saturday