Texas carded 345 in the men's event on Monday, five under par.
Washington's Hannah Ounap led the women's individual standings with a 66, six under par. Texas's Farah O'Keefe was second at 67, followed by Charlotte Naughton at 70.
Four teams face a change of format
The fourth edition brings together Texas and Washington, along with Pennsylvania and host University of St Andrews. Each team has six players, with five scores counting in each round. The teams play 36 holes of stroke play before the field is seeded for match play on the Old Course.
The second and final stroke-play round was scheduled for October 13, 2026. On October 14, the top two seeds were set to meet for the title, while the third- and fourth-seeded teams were scheduled to play for third place on the Old Course.