UND has placed volleyball coach Jeremiah Tiffin on administrative leave.
"Upon learning of some potential issues within the program, we felt that a review of these issues be conducted immediately," UND athletic director Bill Chaves said in a statement Wednesday night.
Assistant coaches Erin Green and Steve Rindfleisch will serve as co-interim coaches during this period of time, the school said.
UND is off to a 1-19 start this season and 0-8 in the Summit League. Last season, the Fighting Hawks went 2-16.
Tiffin, in his third year as head coach, has another year left on his initial contract, which began May 31, 2019 and ends Dec. 31, 2022.
His base salary is $90,000. His contract also has incentives such as winning the conference tournament ($2,000) or winning the league's coach of the year honor ($2,000).
Tiffin came to UND as an associate head coach and recruiting coordinator in December 2018. Just a few months later, head coach Mark Pryor resigned and accepted a job at an NCAA Division-III program in Texas.
UND conducted a national search for Pryor's replacement and had two finalists: Tiffin and Idaho associate head coach Brian Lamppa. Tiffin was announced as the hire on May 29, 2019.
The Fighting Hawks are next scheduled to play rival North Dakota State at 7 p.m. Saturday night in Fargo.
The UND volleyball program became a powerhouse under coach Ashley Hardee from 2009-13, posting a .714 winning percentage during that five-year span. UND won both the Great West Conference and the Big Sky Conference during Hardee's tenure, while routinely drawing large crowds to the Betty Engelstad Sioux Center.
Hardee resigned in December 2013 after a reported hit-and-run accident. Witnesses alleged Hardee struck an unoccupied parked car in Portland, Ore., where UND was in town for the conference postseason tournament.
UND's on-the-court success during the Hardee era rolled into the Pryor era, where the Fighting Hawks reached their first two Division-I NCAA tournaments in 2016 and 2017.
But the program began to dip in recent years. In 2018, Pryor's final year, UND went 14-18. In Tiffin's first year as head coach, 2019, UND went 12-18. Last season, the Fighting Hawks were 2-16 and they're currently 1-19.