GUANGZHOU, China (AP) — Top-seeded Lee Chong Wei of Malaysia defeated Ireland's Scott Evans in straight games to advance to the second round of the World Badminton Championship on Monday.

Chong Wei won 21-14, 21-15 in just 40 minutes and will next meet Dionysius Hayom Rumbaka of Indonesia in the second round. Rumbaka defeated Israel's Misha Zilberman 21-15, 23-21 to set up a tough second round match.

No. 2-seeded Chen Long of China also advanced after a one-sided 21-2, 21-5 win over Luka Wraber of Austria while his countryman Du Pengyu dropped a game before beating South Korea's Wan Ho Son 21-17, 16-21, 21-13.

Long's next round opponent will be Japan's Sho Sasaki, who defeated Scotland's Alistair Casey 21-6, 21-18.

The biggest upset during Monday's play involved No. 12-seeded Wing Ki Wong of Hong Kong losing 22-20, 17-21, 21-10 to India's Ajay Jayaram while Eric Pang of the Netherlands got a walkover against Japan's No. 5-seeded Kenichi Tago.

Among the other seeded players, Thailand's Boonsak Ponsana, Yun Hu of Hong Kong, Tien Minh Nguyen of Vietnam, Indonesian Tommy Sugirato and Denmark's Jan O Jorgensen all advanced to the second round.