Grandview is headed to the Class 5A Region 3 baseball tournament to be hosted by Windsor. The Wolves enter the postseason on a 12-game winning streak. (Photo by Courtney Oakes/Sentinel Colorado)

AURORA | Seedings for the 32-team Class 5A baseball regional tournaments scheduled for May 17-18 (weather permitting) as released by the Colorado High School Activities Association. Qualifiers determined by league champions and RPI. Times and dates, TBA. Aurora teams bold and uppercased:

Courtney Oakes is Sentinel Colorado Sports Editor. Reach him at 303-750-7555 or [email protected]: @aurorasports. IG: Sentinel Prep Sports

2019 CLASS 5A BASEBALL REGIONAL BRACKETS

REGION 1 (at Mountain Vista H.S.)

Game 1: No. 8 Mullen vs. No. 1 Mountain Vista (21-2); Game 2: No. 5 Castle View vs. No. 4 Dakota Ridge.; Game 3: Game 1 winner vs. Game 2 winner (winner qualifies for 5A Championship Series)

REGION 2 (at Legend H.S.)

Game 1: No. 7 Fossil Ridge vs. No. 2 Legend; Game 2: No. 6 Fruita Monument vs. No. 3 Rocky Mountain (15-7-1); Game 3: Game 1 winner vs. Game 2 winner (winner qualifies for 5A Championship Series)

REGION 3 (May 18 at Windsor H.S.)

Game 1: No. 8 Denver South (15-8) vs. No. 1 Windsor (19-4), 10 a.m.; Game 2: NO. 5 GRANDVIEW (15-8) vs. No. 4 Grand Junction (14-9), 11:30 a.m.; Game 3: Game 1 winner vs. Game 2 winner (winner qualifies for 5A Championship Series)

REGION 4 (May 18 at Douglas County H.S.)

Game 1: No. 7 Prairie View (15-7) vs. No. 2 Douglas County (15-7), 9:30 a.m.; Game 2: No. 6 Legacy (13-10) vs. No. 3 Ralston Valley (15-8), noon; Game 3: Game 1 winner vs. Game 2 winner (winner qualifies for 5A Championship Series), 2:30 p.m.

REGION 5 (May 18 at REGIS JESUIT H.S.)

Game 1: No. 5 Fort Collins (16-7) vs. No. 4 Chatfield (15-8), 9:30 a.m.; Game 2:  No. 8 Monarch (11-11) vs. NO. 1 REGIS JESUIT (18-5), noon; Game 3: Game 1 winner vs. Game 2 winner (winner qualifies for 5A Championship Series), 2:30 p.m.

REGION 6 (at Pine Creek H.S.)

Game 1: No. 7 Broomfield (11-11) vs. No. 2 Pine Creek (16-7); Game 2: No. 6 Loveland (13-10) vs. No. 3 Chaparral (14-9); Game 3: Game 1 winner vs. Game 2 winner (winner qualifies for 5A Championship Series)

REGION 7 (May 18 at Heritage H.S.)

Game 1: No. 5 Boulder (15-8) vs. No. 4 Rock Canyon (14-8), 11 a.m.; Game 2: No. 8 Mountain Range (12-11) vs. No. 1 Heritage (16-7), 1 p.m.; Game 3: Game 1 winner vs. Game 2 winner (winner qualifies for 5A Championship Series), 4 p.m.

REGION 8 (May 18 at Cherry Creek H.S.)

Game 1: No. 6 ThunderRidge (11-12) vs. No. 3 Horizon (17-6), 9:30 a.m.; Game 2: No. 7 Valor Christian (11-11) vs. No. 2 Cherry Creek (17-6), noon; Game 3: Game 1 winner vs. Game 2 winner (winner qualifies for 5A Championship Series), 2:30 p.m.