Knoxville Regional

At Tyson Park

Knoxville, Tenn.

Friday, May 25: Hawai'i (49-11) at Tennessee (57-5), 8 p.m. (2 p.m. Hawai'i times)

Saturday, May 26: Hawai'i at Tennessee, 4 p.m. (10 a.m. HST)

Saturday, May 26: Hawai'i at Tennessee, 6:30 p.m. (12:30 p.m.), if necessary

Evanston Regional

At Sharon J. Drysdale Field

Evanston, Ill.

Friday, May 25: South Carolina (38-24) at Northwestern (48-11), 4 p.m.

Saturday, May 26: South Carolina at Northwestern, 2 p.m.

Saturday, May 26: South Carolina at Northwestern, 5:30 p.m., if necessary

Norman Regional

At OU Softball Complex

Norman, Okla.

Saturday, May 26: DePaul (44-11) at Oklahoma (55-6), Noon

Sunday, May 27: DePaul at Oklahoma, 1 p.m.

Sunday, May 27: DePaul at Oklahoma, 3 p.m., if necessary

Waco Regional

At Getterman Stadium

Waco, Texas

Friday, May 25: Michigan (46-11) at Baylor (48-13), 7:30 p.m.

Saturday, May 26: Michigan at Baylor, 2 p.m.

Saturday, May 26: Michigan at Baylor, 4:30 p.m., if necessary

College Station Regional

At Aggie Softball Complex

College Station, Texas

Friday, May 25: Florida (49-20) at at Texas A&M (44-11), 7:30 p.m.

Saturday, May 26: Florida at Texas A&M, 2 p.m.

Saturday, May 26: Florida at Texas A&M, 4:30 p.m., if necessary

Tucson Regional

At Hillenbrand Memorial Stadium

Tucson, Ariz.

Saturday, May 26: Cal State Fullerton (38-21) at Arizona (42-12-1), 7 p.m.

Sunday, May 27: Cal State Fullerton at Arizona, 2 p.m.

Sunday, May 27: Cal State Fullerton at Arizona, 4:30 p.m., if necessary

Tempe Regional

At Farrington Stadium

Tempe, Ariz.

Friday, May 25: LSU (55-10) at Arizona State (52-15), 10 p.m.

Saturday, May 26: LSU at Arizona State, 7:30 p.m.

Saturday, May 26: LSU at Arizona State, 10 p.m., if necessary

Seattle Regional

At Husky Softball Stadium

Seattle

Friday, May 25: Alabama (55-8) at Washington (38-17), 6:30 p.m.

Saturday, May 26: Alabama at Washington, 3 p.m.