BANGKOK: Izaac Quek successfully defended his SEA Games men’s singles crown on Friday (Dec 19), beating Indonesia’s Bima Abdi Negara.At the Central Westgate mall in Nonthaburi, the 19-year-old reigning champion cruised to a 4-0 win (11-6, 11-8, 11-3, 13-11). Quek is ranked 139th in the world, while his op