Unseeded Anders Jarryd of Sweden ousted John McEnroe, the No. 2 seed, 7-6 (7-2), 6-2, in their quarterfinal match in the ATP CA Trophy tournament in Vienna.

Jarryd will meet sixth-seeded Alexander Volkov of the Soviet Union in the semifinals today. Volkov routed third-seeded Martin Jaite of Argentina, 6-2, 6-1.

The second semifinal will match Austrian Davis Cup teammates Horst Skoff and Thomas Muster. . . .

David Wheaton scored the first major upset of the Marlboro Championships in Hong Kong, defeating second-seeded Emilio Sanchez, 3-6, 6-4, 6-4, in his final Yellow Group match. The victory moved Wheaton into the semifinals against fellow American Michael Chang, who defeated Christo van Rensburg, 6-3, 7-6, (7-3), to win the Gold Group without losing a set.

Also advancing to the semifinals were top-seeded Ivan Lendl and Derrick Rostagno. Rostagno defeated fourth-seeded Jay Berger, 6-3, 6-2, to win the Red Group. Lendl advanced with a 6-3, 6-4 win over former Wimbledon finalist Kevin Curren. . . .

Top-seeded Gabriela Sabatini overcame a sluggish start to beat Helena Sukova, 6-2, 6-7 (3-7), 6-2, and advance to the semifinals of the Porsche Cup in Filderstadt, Germany. Katerina Maleeva joined Sabatini in the semifinals by beating Jana Novotna, 7-6, 6-3. . . .

Goran Ivanisevic of Yugoslavia survived two match points against Australian Pat Cash before joining top-seeded Stefan Edberg, Henri Leconte and Amos Mansdorf in the semifinals of the $1.1 million European Community Championships in Antwerp, Belgium. Ivanisevic won by 1-6, 7-6 (7-5), 7-5.