Serena Williams, younger sister of U.S. Open finalist Venus Williams, upset fifth-seed Mary Pierce 6-3, 7-6 (7-3) Thursday to advance to the quarterfinals in the Ameritech Cup in Chicago. Williams, ranked 304th, faces Monica Seles.
Defending champion and top-seeded Jana Novotna beat Amy Frazier 5-7, 6-2, 6-3 and faces Nathalie Tauziat, who beat Sabine Applemans. Lisa Raymond and Yayuk Basuki advanced.
MORE TENNIS: Magnus Larsson beat Thomas Enqvist 6-1, 6-2 at the Stockholm Open. Greg Rusedski, beat Lionel Roux, and Jonas Bjorkman beat Thomas Johansson. Four-time champion Boris Becker lost to Jan Siemerink 7-6 (8-6), 6-7 (3-7), 6-3. Petr Korda beat Alex O'Brien 7-5, 6-3 to advance to the semifinals of the Kremlin Cup to face Wayne Black. USF's Matt Guyaux beat Dylan Mann of Florida 6-3, 6-4 in Division A of the Rolex Region III Championships in Athens, Ga. UF's Amr El Sawaf beat Genius Chidzikew of Tennessee-Chattanooga 4-6, 6-2, 6-3. Florida's Nathan Overholser and Trey Adcock lost.
AUTO RACING: Gary Scelzi clinched the NHRA Top Fuel championship, and Larry Dixon made the fourth-fastest run in NHRA history in the season-ending Winston finals in Pomona, Calif. Dixon's pass of 4.630 seconds at 319.37 mph put him in the No. 1 spot in Top Fuel, joining Chuck Etchells, Kurt Johnson and Matt Hines in Funny Car, Pro Stock and Pro Stock Motorcycle, respectively.
GOLF: Bob Murphy birdied the final two holes to lead Hubert Green by a shot at the Senior Tour Championship in Myrtle Beach, S.C. David Toms birdied four of the first six holes and four of the last five for a one-stroke lead over Loren Roberts and Olin Browne at the PGA's Kapalua International in Hawaii. Sam Torrance shot 4-under 68 to lead the Sarazen World Open by a stroke.
SOCCER: North Carolina beat FSU 5-0 in the ACC women's tournament. Florida's women (17-2-1) beat Mississippi 6-0 in the SEC tournament. Sabrina Thompson, a Chamberlain High graduate and South Alabama student, made the All-Big South second team.
SKATING: Elvis Stojko won the short program at Skate Canada International in Halifax. Oksana Kazakova and Artur Dmitriev led pairs. Shae-Lynn Bourne and Victor Kraatz led ice dancing.
BOWLING: Gene Stus won all eight games and moved from seventh place into the lead after five rounds at the Reno PBA Senior World Invitational.
_ Compiled from Times wires.
Promoter Don King raises the arms of IBF heavyweight champion Michael Moorer and WBA champion Evander Holyfield after weigh-in. Moorer, 223 pounds, and Holyfield, 214, fight Saturday night in Las Vegas.