<p>Yang took early control against the fifth-seeded Briton with three birdies in the first four holes and held off a late fightback before ending the match with a chip-in for birdie at the par-three 16th. <br /><br />However, the Northern Irishman was able to celebrate reaching the third round for the first time in five appearances and will move past Tiger Woods in next week's world rankings. <br />Yang, who overhauled Woods to claim his first major title at the 2009 PGA Championship, will next meet Matt Kuchar, who beat fellow American Rickie Fowler 2&1. <br /><br />German world number two Martin Kaymer, the second seed, came from two down after 12 holes to beat American Hunter Mahan 2&1 in a high-quality encounter on Friday.</p>
<p>Yang took early control against the fifth-seeded Briton with three birdies in the first four holes and held off a late fightback before ending the match with a chip-in for birdie at the par-three 16th. <br /><br />However, the Northern Irishman was able to celebrate reaching the third round for the first time in five appearances and will move past Tiger Woods in next week's world rankings. <br />Yang, who overhauled Woods to claim his first major title at the 2009 PGA Championship, will next meet Matt Kuchar, who beat fellow American Rickie Fowler 2&1. <br /><br />German world number two Martin Kaymer, the second seed, came from two down after 12 holes to beat American Hunter Mahan 2&1 in a high-quality encounter on Friday.</p>