TENNIS

Williams powers into semifinals at Rogers Cup

Top-seeded Serena Williams cruised into the semifinals of the Rogers Cup on Friday night, overpowering Slovakia’s Magdalena Rybarikova 6-1, 6-1 at Toronto.

Williams will face third-seeded Agnieszka Radwanska of Poland, a 7-6 (1), 7-5 winner over fifth-seeded Sara Errani of Italy.

In the other quarterfinals, fourth-seeded Li Na of China beat Slovakia’s Dominika Cibulkova 7-6 (1), 6-2; and Romania’s Sorana Cirstea upset sixth-seeded defending champion Petra Kvitova of the Czech Republic, 4-6, 7-5, 6-2.

• In the men’s quarterfinals at Montreal, top-seeded defending champion Novak Djokovic of Serbia beat seventh-seeded Richard Gasquet of France 6-1, 6-2; and fourth-seeded Rafael Nadal of Spain topped Australian qualifier Marinko Matosevic, 6-2, 6-4.

BASKETBALL

WNBA: Epiphanny Prince scored 23 points and Elena Delle Donne added 19 to lead the Chicago Sky to a 77-61 victory over the host Connecticut Sun.

Sylvia Fowles had 14 points, 10 rebounds and three blocks for Chicago (14-7).

Tina Charles, the reigning WNBA MVP, missed 16 of 18 shots, and finished with five points and 10 rebounds for Connecticut (6-14).

NBA: The Charlotte Bobcats re-signed journeyman point guard Jannero Pargo.

Pargo, 33, has played nine seasons in the NBA, with the Lakers, Raptors, Bulls, Hornets, Hawks, Wizards and Bobcats. For his career he’s averaged 6.5 points and two assists per game.

COLLEGES

FOOTBALL: Four former Vanderbilt football players were indicted on five counts of aggravated rape each of an unconscious 21-year-old student at a campus dormitory in June.

Safety Cory Batey, 19, of Nashville, Tenn.; defensive back Brandon Banks, 19, of Brandywine, Md.; receiver Jaborian McKenzie, 19, of Woodville, Miss.; and tight end Brandon Vandenburg, 20, of Indio, Calif., also have been charged in an incident tipped to campus officials by surveillance video.

Vanderbilt dismissed the players June 29 and barred them from the campus pending the investigation.

GOLF

U.S. WOMEN’S AMATEUR: Taiwan’s Doris Chen beat Lauren Diaz-Yi 4 and 3 in the quarterfinals at Charleston, S.C., avenging a blowout loss in the Public Links final.

Chen, 20, a member of Southern California’s NCAA championship team, will next face Cindy Feng, 17, of Orlando, Fla.

Feng, born in China, beat Annie Park of Levittown, N.Y., 6 and 4. Park won the NCAA individual title this year as a freshman at USC.

CYCLING

TOUR OF UTAH: Australia’s Michael Matthews raced to his second stage victory, sprinting uphill to edge Belgium’s Greg Van Avermaet at the finish line.

Matthews, riding for Orica GreenEdge, also won the second stage.

— From news service reports