PETALING JAYA: World No. 1 Lee Chong Wei is on track for his fourth All-England badminton championships title.
The three-time Olympic silver medalist was however taken the distance before pulling off a 10-21, 21-14, 21-9 win over world No. 9 Chou Tien-chen of Taiwan at the Barclaycard Arena on Saturday.
The Penangite, who won the All-England in 2010, 2011 and 2014, had on Friday easily defeated world No. 6 Tian Houwei of China 21-12, 21-15.
Chong Wei who was a first round casualty in the All-England meet last year, next meets either old rival Lin Dan or world No. 10 Shi Yuqi for the title.