Undated (AP) _ SINGAPORE (AP) - The finalists in men's and women's singles and men's doubles were declared co-winners Sunday after rain washed out the finals of the Singapore Open Grass Court Tennis Championships.

No. 1 Seed Yustedjo Tarik of Indonesia and second-seeded Sombat Uammongkol of Thailand shared the men's singles title, and each received $3,000.

Top-seeded Dyan Castillejo and unseeded Sarah Castillejo, sisters from the Philippines, shared the women's singles championship, each earning $1,500.

The fourth-seeded pair of Rod Rafael and Raymond Suarez of the Philippines shared the men's doubles title with second-seeded Sombat Uammongkol and Panamkorn Pladchurnil of Thailand. Each pair received $750.

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ISTANBUL, Turkey (AP) - Mehmet Terzi of Turkey won the Asia-to-Europe marathon across the bridge spanning the Bosporus on Sunday in 2 hours, 12 minutes, 50 seconds.

Terzi led the race from the start and was unchallenged in the last few miles of the 26.2-mile course. The event drew a field of 8,600.

Two other Turks, Ahmet Altun and Mithat Sahin, came in second and third, respectively, in 2:17:30 and 2:26.28.

The race began on the Asiatic side of the Bosporus Bridge and ended on the outskirts of the Dolmabahce Ottoman palace in the European sector of Istanbul.

Mehmet Yurdadon of Turkey was last year's winner.

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BERGEN, Norway (AP) - Peter Lundgren of Sweden upset top-seeded compatriot Jan Gunnarsson 5-7, 7-6, 7-6 Saturday night to win the $25,000 Bergen Open Tennis Tournament staged on Bolltex-covered indoor courts.

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TOKYO (AP) - Tsuyoshi Hamada of Japan knocked out Suwarno Perico of Indonesia in the first round Sunday and retained his Orient-Pacific Boxing Federation lightweight title.

The knockout came at 1:30 of the opening round of a scheduled 12-round bout. It was Hamada's first defense of his title.

Hamada landed a powerful straight left to the body and a right hook to the jaw. Then the 24-year-old Japanese unleashed a powerful straight left to the chin, flooring the 23-year-old Indonesian.

It was Hamada's 19th victory, including 18 by knockout, against one defeat. Perico's record dropped to 19 victories, including 10 by knockout, against seven losses.

Hamada weighed 1351/2 and Perico 134.

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SYDNEY, Australia (AP) - Greg Norman of Australia won the $160,000 Toshiba Australian Golf Championship by eight strokes over Magnus Persson of Sweden Sunday.

Norman shot a final-round 69 for 15-under-par 273, while the Swede finished at 281 after a 69 Sunday. Norman earned $28,800 and Persson $17,280.

Third at 282 was American Kris Moe. He had a final-round 70 and pocketed $11,040.