NOTE: Regionals will be held May 17-20 on 16 campus sites. At each campus site, a four-team, double-elimination tournament will be conducted, and the 16 winning teams advance to the Super Regionals.
Double elimination
Eugene Regional
At Eugene, Ore.
May 17-19

Albany (NY) (32-14) at Oregon (47-7)

BYU (35-20) vs. Drake (43-10)

Lexington Regional
At Lexington, Ky.
May 18-20

Michigan (43-11) vs. Notre Dame (32-21)

Ill.-Chicago (33-19) at Kentucky (31-19)

Columbia Regional
At Columbia, S.C.
May 18-20

UNCG (46-11) at South Carolina (45-14)

Liberty (47-12) vs. Hofstra (40-12)

Tempe Regional
At Tempe, Ariz.
May 18-20

Long Beach St. (42-12) vs. Ole Miss (30-23)

New Mexico St. (29-22) at Arizona St. (43-11)

Seattle Regional
At Seattle
May 18-20

Boise St. (40-14) at Washington (44-8)

Texas (32-24) vs. Minnesota (39-15)

Tuscaloosa Regional
At Tuscaloosa, Ala.
May 18-20

Oregon St. (28-26) vs. Wisconsin (28-21)

Middle Tenn. (39-20) at Alabama (33-18)

Fayetteville Regional
At Fayetteville, Ark.
May 18-20

DePaul (35-15) at Arkansas (39-15)

Wichita St. (30-21) vs. Oklahoma St. (38-20)

Norman Regional
At Norman, Okla.
May 18-20

Missouri (28-27) vs. Tulsa (33-23)

Boston U. (39-18) at Oklahoma (50-3)

Los Angeles Regional
At Los Angeles
May 18-20

Sacramento St. (31-18) at UCLA (50-4)

Cal St. Fullerton (33-23) vs. Texas St. (42-14)

Tucson Regional
At Tucson, Ariz.
May 18-20

Mississippi St. (36-21) vs. North Dakota St. (33-17)

St. Francis (Pa.) (39-17) at Arizona (40-14)

Baton Rouge Regional