Tennis

Pete Sampras, bidding for a fourth title in the Lyon Open in France, routed Ronald Agenor of Haiti, 6-4, 6-1, and advanced to the quarterfinals. . . . Mark Philippoussis, 18, of Australia, defeated Richey Reneberg, 6-1, 6-4, and advanced to the semifinals of the Marlboro tournament in Hong Kong. Philippoussis was joined by defending champion Stefan Edberg, who defeated Paul Haarhuis of the Netherlands, 6-7 (6-2), 6-3, 6-3. . . . Thomas Muster, playing before his home fans in Vienna, showed little sign of his recent leg pain in defeating Mark Woodforde of Australia, 6-3, 6-4, to gain the quarterfinals of the $500,000 CA Trophy tournament.

Helena Sukova reached the quarterfinals of the Brighton International tournament in England with a 6-2, 7-6 (7-4) victory over Clare Wood of Britain. Third-seeded Magdalena Maleeva of Bulgaria overcame both Germany’s Barbara Rittner and a back injury to also reach the quarterfinals, 1-6, 6-4, 6-1.

Tracy Austin, two-time U.S. Open champion, will conduct a charity event Saturday at the West-End Racquet & Health Club in Torrance to benefit the South Bay Children’s Health Center. Professional and pro-am matches will start at 9 a.m., with Austin taking the court in a mixed doubles exhibition at 12:30.