With its top singles player sidelined because of an undisclosed injury, Kansas University’s tennis team suffered a 5-2 loss to No. 23 Tulsa on Sunday at Jayhawk Tennis Center.

Junior transfer Haley Fournier was injured, so the rest of KU’s singles lineup shifted up one position, with freshman Anastasija Trubica seeing her first dual singles action at the No. 6 spot.

“We were really impressed with (Trubica’s) performance in doubles and with her pulling out her singles,” Kansas coach Amy Hall-Holt said. “It’s the third match of the year. Yes, we had opportunities, and we didn’t step up to those opportunities, but I feel that the girls are definitely learning and getting better each day.”

Tulsa swept the Jayhawks in doubles play before taking the No. 1 and 2 singles matches in straight sets to build a quick 3-0 lead.

KU’s victories came at No. 4 singles, where Dylan Windom outlasted Maria Sant’Anna, 7-6, 0-6, 7-5, and at No. 6, where Trubica swept Carol Benito, 7-5, 6-2.

KU will travel to Charleston, S.C., where it will face Charleston Southern on Friday and College of Charleston on Saturday.