He mainly played doubles, winning 3 titles partnering fellow countryman Radek Štěpánek.
Radek Štěpánek | Karl Radek | Karel Štěpánek | Radek Hochmeister | Radek | Karel Stepanek |
Other seeded players were Sydney quarterfinalist Tomáš Berdych, Adelaide champion Novak Djokovic, David Ferrer, Lleyton Hewitt and Radek Štěpánek.
The singles draw featured ATP No. 6, 2009 Australian Open semi-finalist and 2009 Dubai finalist Andy Roddick, 2009 Australian Open quarterfinalist and 2008 U.S Open quarterfinalist Juan Martín del Potro, Other names include James Blake, Radek Štěpánek, Mardy Fish, Sam Querrey, Igor Kunitsyn and Robby Ginepri.
Yan won back-to-back ITF Men's Circuit titles in September before knocking off World No. 30 Radek Štěpánek at the Shanghai Masters the following month.
The Swede competed in the 2006 Australian Open, losing to 20th seed Radek Štěpánek 6-1, 6-2, 6-2, and at the 2009 Australian Open, but lost in the first round 6-0, 6-2, 6-2 to eventual semi-finalist Andy Roddick.