The No. 44 national ranking is the program's highest since the 2009 spring season when CU was No. 39 nationally.
It was the fourth match against a ranked opponent for the Buffs, and the win moves their record against ranked opponents to 3-1, and 8-1 overall.
Colorado cruised to another non-conference team win shutting out Nevada, 5-0 Saturday afternoon.
Colorado is one of nine Pac-12 Conference nationally ranked teams this week.
The CU women's tennis team kicked off a busy Sunday in Boulder, by beating No. 63 New Mexico 5-2 at the Rocky Mountain Tennis Center.
The CU tennis program will host three straight non-conference matches, one this Sunday, and a pair next weekend.
On Saturday, the Buffs won the doubles point – for the sixth consecutive time, then took all six singles positions, three of them in straight sets.
Julyette Steur won twice on Friday for 100 combined victories, good enough for No. 25 place overall in school history.
The CU women's tennis team defeated in-state rival Colorado State, 7-0 for the 29th straight time, Sunday afternoon at the Fort Collins Country Club.
The CU women's tennis team faced off against old Big 12 rival No. 66 Kansas State winning in commanding fashion, 4-0, Saturday evening at the Rocky Mountain Tennis Center.
The CU women's tennis team made it two-for-two against the state of Colorado opponents in a week's time defeating Air Force, 5-2, Friday evening.
The CU women's tennis team continues its non-conference portion of the schedule with three matches in three days beginning Friday.