Southeast Asian Games - Badminton - Bac Giang Gymnasium, Bac Giang, Vietnam - May 22, 2022 Thailand's Kunlavut Vitidsarn in action during the men's singles final against Singapore's Loh Kean Yew (Reuters photo)

Singapore's badminton world champion Loh Kean Yew had to settle for silver after being stunned in the men's final at the SEA Games by Thailand's rising star Kunlavut Vitidsarn on Sunday.