Jakob Hlasek

Boris Becker, ranked No. 3 in the world, is seeded No. 1 in the $702,500 Newsweek Champions Cup tennis tournament, which begins today at Hyatt Grand Champions. Becker, the two-time defending champion, has a first-round bye. He will play the winner of today's match between wild card Danie Visser and Luiz Mattar. Stefan Edberg of Sweden is seeded second. Edberg was defeated Sunday by Ivan Lendl in the final at Scottsdale, Ariz.

Rick Leach's hopes for another Wimbledon men's doubles title were ended Friday when the Laguna Beach resident and 1990 champion and partner Kelly Jones were upset by 13th-seeded Guy Forget and Jakob Hlasek, 6-3, 6-4, 6-4, in a third-round match Monday. Leach and Jones were seeded third. Two former members of the UC Irvine men's team had their teams go down to defeat in mixed doubles.

Top-seeded Ivan Lendl defeated Switzerland's Jakob Hlasek in straight sets Friday night and moved into an all-Czechoslovak semifinal today against Miloslav Mecir in the $385,000 Fila Trophy indoor tennis tournament at Milan, Italy. Lendl defeated the seventh-seeded Hlasek, 6-3, 6-4, in 1 hour and 27 minutes. Mecir beat Sergio Casal of Spain, 6-1, 6-2.

Top-seeded Mats Wilander of Sweden and No. 2-seeded Jimmy Connors scored victories Thursday to advance to the quarterfinals of the $375,000 Assn. of Tennis Professionals Championship at Mason, Ohio. Wilander beat Horacio de la Pena of Argentina, 6-3, 6-2, while Connors turned back Jonathan Canter, 6-4, 6-4. In other matches, Kevin Curren upset No. 4-seeded Joakim Nystrom of Sweden, 6-7, 6-1, 7-6, Tim Wilkison beat Jonas D. Svenson of Sweden, 6-4, 6-2, and No.

Boris Becker withdrew from the French Open on Tuesday because of an injured muscle in his right thigh. Becker dropped out of last week's Italian Open because of the problem, which first became apparent in his 6-1, 6-1 loss May 10 to Michael Stich in the semifinals of the German Open. Becker, a semifinalist last year at the French Open, was seeded No. 4 this year. His withdrawal allowed Switzerland's Jakob Hlasek to move into the 16th-seeded position.

Defending champion Yugoslavia won the Blue Group title in World Team Cup by defeating Switzerland, 2-1, Saturday on singles victories by Goran Ivanisevic and Goran Prpic at Dusseldorf, Germany. Yugoslavia plays for the title today against Sweden, which won the Red Group. Ivanisevic defeated Jakob Hlasek, 6-4, 6-3, then Prpic beat Marc Rosset 6-3, 6-4. Switzerland's doubles team of Rosset and Jakob Hlasek rallied to beat Ivanisevic and Slobodan Zivojinovic, 3-6, 6-1, 7-6 (15-13).

Defending champion Guy Forget of France defeated Aaron Krickstein, 6-1, 6-4, Thursday to advance to the semifinals of the New South Wales Open at Sydney, Australia. Forget, seeded third, will face eighth-seeded David Wheaton, who rallied to defeat Jakob Hlasek of Switzerland, 3-6, 6-1, 7-5. The other semifinal today will match No. 7 Emilio Sanchez of Spain, a 6-3, 6-3 winner over Thomas Muster of Austria, against either Christian Bergstrom of Sweden or Omar Camporese of Italy.

Third-seeded Aaron Krickstein was upset by unseeded Milan Srejber of Czechoslovakia 6-2, 6-3 today in the second round of the Milan indoor tennis tournament. "Srejber broke me twice at the beginning of both sets and it was impossible to come back on a guy who serves as well as he does," Krickstein said. Unseeded Americans Pete Sampras and Jim Courier, both 19, scored convincing victories. Sampras, of Rancho Palos Verdes, Calif.

Fabrice Santoro, a 17-year-old Frenchman, upset defending champion Andrei Chesnokov of the Soviet Union 6-3, 6-4 in the Phillips Open tennis tournament today. In other second-round matches, two Swiss players advanced: Jakob Hlasek downed Claudio Pistolesi of Italy, 6-4, 6-4, and Marc Rosset eliminated Spain's Tomas Carbonell, 7-6 (7-3), 4-6, 6 -4. Also, Spain's Juan Aguilera ousted Aki Rahunen of Finland, 6-2, 2-6, 6-4.