Leona Maguire has stared on debut.
Europe are five points away from retaining the Solheim Cup ahead of the final day.
Catriona Matthews' charges lead the USA 9-7 as the singles matches take place later.
Leona Maguire remains unbeaten in what is her first appearance in the competition.
She takes on Jennifer Kupcho this evening in the third match out on course.
The Cavan native tees off at 25-past-five, with the first match underway from 5 o'clock Irish time.