Top-seeded Amanda Coetzer of South Africa beat Miriam Oremans of the Netherlands 7-5, 6-7 (4-7), 6-4 and advanced to the semifinals of the Seat Open tournament in Luxembourg.
Coetzer, ranked fifth in the world, will play Slovak qualifier Katrina Studenikova in the semis. Studenikova upset South African Joanette Kruger 6-3, 6-4 in the quarterfinals.
The other semifinal will match Anne-Gaelle Sidot of France against Austria’s Barbara Paulus. Paulus, seeded fifth, rallied to defeat Sabine Appelmans of Belgium 3-6, 6-3, 6-2, and Sidot beat Henrieta Nagyova of Slovakia 6-4, 7-6.
Patrick Rafter, the U.S. Open champion, battled for more than 2 hours before beating Todd Martin 4-6, 7-6 (9-7), 6-4 and reaching the semifinals of the Eurocard Open in Stuttgart, Germany.
Rafter’s next opponent is Petr Korda, who upset Marcelo Rios. Jonas Bjorkman beat German upstart Nicolas Kiefer and will play the 1996 Wimbledon champion, Richard Krajicek, in the other semifinal.