|Andre Goransson practices during the Tiburon (Calif.)|
Challenger last September. Photo by Paul Bauman
Goransson outlasted Alex Rybakov 6-4, 3-6, 7-5 on Court 2, giving the No. 13 Bears a 4-3 victory over the No. 4 Horned Frogs in Tulsa, Okla.
Goransson, a junior from Sweden is ranked No. 31. Rybakov, a freshman from Coral Springs, Fla., is No. 24.
The Bears (20-6) will play No. 5 Ohio State (33-2) on Sunday. The Buckeyes edged Texas 4-3.
In a meeting of Pacific-12 Conference rivals, No. 2 UCLA eliminated No. 29 Stanford 4-2. On Court 1, sixth-ranked Mackenzie McDonald of UCLA and Piedmont in the San Francisco Bay Area routed 15th-ranked Tom Fawcett 6-1, 6-2.
The Cardinal, under second-year coach Paul Goldstein, reached the round of 16 for the first time since a quarterfinal appearance in 2012.
The Bruins (25-2) will face No. 10 Oklahoma (18-10), last year's runner-up.
Top-ranked Virginia, the defending champion, handled No. 16 Oklahoma State 4-2. Collin Altamirano, a sophomore from Sacramento, Calif., ranked 33rd, topped Arjun Kadhe 6-7 (4), 6-3, 6-2 on Court 2 to clinch the overall victory.
The Cavaliers (27-4) will play No. 9 Florida (21-6), and No. 3 North Carolina (28-4) will take on No. 7 Georgia (23-4).
In today's women's quarterfinals, No. 2 Cal (22-1) will face No. 8 Pepperdine (24-2), and No. 15 Stanford (17-5) will meet No. 10 Michigan (23-6).