Top-seeded Ivan Lendl and third-seeded Michael Chang won semifinal matches in the Marlboro Championships in Hong Kong. Lendl breezed past Derrick Rostagno, 6-3, 6-0, and Chang beat David Wheaton, 7-6 (7-3), 6-1.

Chang trailed by 5-0 in the first set before coming back to win in a tie-breaker. The 18-year-old Californian, the crowd favorite, had no problems in the second set with Wheaton, who upset second-seeded Emilio Sanchez of Spain in preliminary group play. . . .

Mats Wilander returned to a final for the first time in more than a year by beating qualifier Alexander Mronz, 6-2, 7-6 (7-1), in the Lyon Grand Prix.

Wilander, the former No. 1 player in the world, will play Marc Rosset today. Rosset beat David Pate, 6-4, 1-6, 6-4. . . .

France's Henri Leconte upset top seed Stefan Edberg, 7-5, 3-6, 6-0, and will play Yugoslav Goran Ivanisevic in the final of the $1.1 million European Community Championships in Antwerp.

Ivanisevic, the fourth seed, saved two match points before beating Amos Mansdorf, 1-6, 6-2, 7-6 (9-7), spoiling the Israeli's 25th birthday. . . .

Barbara Paulus upset favorite Gabriela Sabatini, 6-3, 6-4, to advance to the final of the Porsche Cup tournament and a meeting with Mary Joe Fernandez, who beat Katerina Maleeva, 7-5, 6-0.