The No. 20-ranked Ohio Northern women's volleyball team will face No. 18 Wisconsin-Whitewater in the first round of the 2018 NCAA III Tournament in the Grand rapids, Mich., Regional, hosted by No. 1-ranked Calvin (Mich.) ... The Polar Bears enter the NCAA Tournament with a 22-7 overall record and won the OAC's automatic bid to the tournament by winning the OAC Tournament title last Saturday ... Northern is the No. 5 seed in this year's NCAA Tournament and UWW is the No. 4 seed ... Thursday's victor will advance to the second round on Friday and play either top-ranked Calvin or eighth-seeded Greenville (Ill.) at 7 pm ... The Regional finals match is slated for Saturday night at 7 pm ... ONU is making its 31st appearance in the 38-year history of the NCAA III Tournament ... The Polar Bears have a 37-30 record in NCAA Tournament play and reached the finals in 1989 and the semifinals in 2008.