Fattal scores season-high six goals.
Ally Carda, Brittany Moeai and Kylee Perez all homered in Saturday's 12-2 victory at Oregon State.
Trent Chatterton drove in the sole run for UCLA in tonight's loss.
All seven Bruin pairs were in action on Friday at Queen's Beach in Honolulu.
UCLA men's tennis team now focuses its attention on next month's NCAA Championships.