Peter Lundgren wasted a 4-1 lead following a second-set rain delay and lost to fellow Swede, eighth-seeded Anders Jarryd, 6-4, 6-4, in the quarterfinals of the $375,000 ATP Championships in Mason, Ohio, one day after the biggest upset of his four-year pro career. Lundgren, ranked 79th in the world, toppled defending champion and top seed Mats Wilander in two sets Thursday.

Stefan Edberg and Boris Becker also advanced. Edberg, the No. 2 seed, overwhelmed seventh seed Brad Gilbert, 6-1, 6-3. No. 3 Becker was leading, 6-3, 2-1, when Mikael Pernfors was forced to default because of a pulled groin.

Fourth-seeded Jimmy Connors won a tough three-set match against Nigerian Nduka Odizor, 6-1, 6-7 (7-5), 6-3. The match lasted 2 hours 35 minutes and featured a game penalty against Odizor in the second set. Connors will play Edberg, Becker will meet Jarryd in the semifinals . . .

Fifth-seeded Zina Garrison avenged a loss last week to Anne Minter with a 6-1, 2-6, 6-4 victory over the unseeded Australian in the quarterfinals of the $390,000 Player's Challenge tournament in Toronto.

Garrison's semifinal opponent will be No. 8 seed Bettina Bunge of Monaco, who beat No. 9 Barbara Potter of Woodbury, Conn., 6-2, 6-0. Top-seeded Chris Evert, who dispatched 17-year-old hometown favorite Helen Kelesi, 6-1, 6-0, next will play third seed Pam Shriver, who easily defeated sixth seed Gabriela Sabatini of Argentina, 6-2, 6-1.