SINGAPORE — Loh Kean Yew missed a golden opportunity to earn his second Badminton World Federation World Championships medal as he lost 22-20, 21-18 to unheralded Canadian Victor Lai in the men's singles quarter-finals on Friday (Aug 29).World No. 50 Lai, who was 100th at the start of the year before he became the Pan Am champion in April, is assured of at least a bronze. He was the only unseeded player left in the draw.World No. 9 Loh was the hot favourite even though the Singaporean was making a comeback after a bacterial infection that left him bedridden for weeks and kept him out of international competition in July.But following slow starts in his earlier victories over 233rd-ranked Mauritian Julien Paul, Finland's world No. 53 Kalle Koljonen and Japan's world No. 8 Kodai Naraoka, he was once again off-colour, committing numerous unforced errors to allow his opponent to score a mighty upset.Lai, 20, took the first two points after his more illustrious opponent smashed into the net before he played a sharp angled shot to signal his intent. Read more