AMANDA COETZER is out of the Lipton Championships in Florida, after American Serena Williams beat the ninth seeded South African 6-4 6-0 on Wednesday. Williams now faces Martina Hingis in the event’s semifinals, after the Swiss top seed crushed Austria’s Barbara Schett 6-1 6-1 in 42 minutes. The 18-year-old Hingis has not dropped a set so far and conceded just 11 games in four matches.