Chong Wei continues his march in Kuching

On a day when China's Olympic champion Chen Long did not take the court for his quarter final match against Hong Kong's Vincent Wong Wing Ki due to a wrist injury Malaysia's top seed Lee Chong Wei eased into the last four without much problems.

Chen Long reported to the tournament referee Pencho Staynov of Bulgaria with a medical certificate by a tournament doctor to withdraw Chong Wei, the world No 1, was hardly tested by 21-year-old South Korean youngster Jeon Hyeok-jin in his 21-11, 21-14 win.

However, Chong Wei, was full of praise for his young opponent and described him as one of the "best young players" in the badminton world at present.

"It was not easy to play Hyeok-jin...he has speed and aggression. But I was full focused on the match and used my experience and tactical approach to gun him down," said Chong Wei after his match.

The Korean has come strong credentials and won the Macau Open and was a finalist in the Australian Open.

Chong Wei next plays Wing Ki and expects a strong show from the Hong Kong player. Wing Ki had more rest after Chen Long's withdrawal.

"He is a top 10 player in the world and he has beaten some of the big names but I am ready to keep my win the Malaysia Open for the 12th time," added Chong Wei.

Meanwhile, seventh seed Lin Dan of China was taken the full distance in his match against Indonesian youngster Christie Jonatan. Lin Dan won 21-15, 14-21, 21-9 and will face Korean veteran Son Wan-ho.

Wan-ho ended Ajay Jayaram's run in the tournament with a 21-18, 21-14.