LAS VEGAS, Nev. -- Idaho State captured the doubles point and went on to take four of six singles matches, defeating North Dakota 5-2 today at Bally's Resort.
Petsis also got the best of Marsela in No. 1 singles action, winning 6-0 and 6-2.
UND's other singles win was provided by Sarah Stejskal at No. 4 singles. The sophomore dumped Marian Tangarife 6-3 and 6-1.
The Sioux are back in action tomorrow with matches against San Jose State and Southern Utah.
1. Stephanie Petsis (UND) def. Katharina Marsela (ISU) 6-0, 6-2
2. Laura Porras (ISU) def. Stephanie Biehn (UND) 6-1, 4-6, 6-3
3. Rilee Moorhead (ISU) def. Megan Sween (UND) 6-3, 6-3
4. Sarah Stejskal (UND) def. Marian Tangarife (ISU) 6-3, 6-1
5. Zamira Vasquez (ISU) def. Lindsey Viegut (UND) 6-0, 6-3
6. Rachel Ryan (ISU) def. Mindy Lawrence (UND) 7-6, 7-5
1. Stephanie Petsis/Stephanie Biehn (UND) def. Katharina Marsela/Laura Porras (ISU) 8-4
2. Rilee Moorhead/Marian Tangarife (ISU) def. Megan Sween/Sarah Stejskal (UND) 8-4