On Friday, Mount Union will play defending champion Wisconsin-Whitewater, which beat St. Thomas (Minn)., 20-0.
The Americans are scheduled to play defending champion Cuba for the title today.
The Terrapins (12-4) will play defending champion Duke, a 7-5 winner over Notre Dame, in a semifinal in Baltimore on Saturday.
Azarenka advances to play defending champion Kim Clijsters, who overpowered Caroline Wozniacki 6-3, 7-6 in another match that featured an aggressive power baseliner against a shrewd counterpuncher.
Piloto, a transfer from South Florida, may have to start when Mount Union (14-0) plays defending champion Wisconsin-Whitewater in the Amos Alonzo Stagg Bowl next Saturday.
Bayern Munich will seek its fifth European title when it plays defending champion Barcelona or Inter Milan in the final on May 22 in Madrid.
Golubev looked similarly incapable of such prolonged losing in his first round U.S. Open match, but he had the misfortune of playing defending champion Rafael Nadal.
Wales will face France on 2 June, then play defending champions England and Japan in their pool.
"The big thing was around the set-piece, and defending backs plays, defending in a bit more space.
The world number 101 will next play defending champion Petra Kvitova and said she was a "very happy girl".
