TOP SEEDS Akane Yamaguchi and Kento Momota suffered contrasting fates in the main draw of the Badminton Asia Championships on Wednesday at the Muntinlupa City Sports Complex. World champion Loh Kean Yew of Singapore won a seesaw battle with Thailand’s Kanthapon Wangcharoen, 21-16, 15-21, 21-17, to also move further in the men’s singles contest. Loh, the became the first Singaporean world champion last December, survived a second-set loss and an erratic third set to again take one over familiar foe Wangcharoen. Yamaguchi, the reigning women’s singles champion, needed only 26 minutes to dispose …