Oregon 4, Stanford 3
At Student Tennis Center
The No. 23 Ducks stunned the 15th-ranked Cardinal in Eugene.
Stanford took the doubles point, but Oregon posted victories at Nos. 1, 2, 4 and 6 singles.
No. 26 Thomas Laurent of Oregon downed No. 10 Tom Fawcett at the top spot, 6-4, 6-0.
Laurent became the all-time singles winner in UO history with his 28th triumph, and he improved to 18-2 this spring.
The deciding point came at No. 6 singlers, where sophomore Ethan Young-Smith came through 2-6 7-5, 6-2.
"That's a really big win for our program," Oregon coach Nils Schyllander said of the team triumph, "and it was so exciting watching Ethan battle through adversity to clinch the victory. It puts us in a really good position for a good seed at the NCAA tournament as well as the Pac-12s in Ojai (California), so this was really huge."
Oregon 4, Colorado 2
At Boulder, Colorado
The No. 42 Ducks handed the Buffaloes their sixth straight defeat.
Oregon raised its record to 12-9 overall and 5-4 in the Pac-12.
The Buffs dropped to 9-11, 1-8.
Portland State 7, Bellevue College 0
At Club Green Meadows, Vancouver, Washington
PSU sophomore Taylor Rees from Lincoln High won 6-0, 6-0, giving her a school-record 14th career victory at No. 6 singles. The old mark of 13 was set by Alexa McDonald from 2012-15.
Rees also has the Vikings' career win percentage record at line six, with a 14-10 mark (.583).
Also on Sunday, junior Siena Peri and senior Tracy Dong won at No. 1 doubles 8-0 to tie the PSU career record for wins by a team. They are also assured of finishing with the records for overall doubles win percentage and win percentage at No. 1 doubles.
Portland 4, Sacramento State 1
At St. Johns Racquet Center
The Pilots' nonconference win gave them an 8-10 overall record. Sac State fell to 9-17.
Freshman Anna Oberg secured the clinching point with a 6-3, 6-2 win at No. 5 singles.
No. 1 Pilot Jelena Lukic, a freshman, won 6-1, 6-0.
Oregon 10, UC Davis 9
At Davis, California
The Ducks' second-half rally — they were down 9-5 at the break — snapped a three-game skid.
Oregon improved to 8-7 overall and 4-3 in league play -- clinching a berth in the conference tournament -- while the Aggies slipped to 6-9, 2-4.
Bella Pyne led UO with three goals.
Junior Cambi Cukar had three assists for the Ducks, giving her the all-time Oregon lead with 115.