On May 16, 2011, he reached his highest ATP singles ranking of 242.
On July 26, 2010, he reached his highest ATP singles ranking of 206.
On 23 May 2005, he reached his highest ATP singles ranking of no. 187.
On May 24, 2010, he reached his highest ATP singles ranking of 702.
On July 7, 2012 he reached his highest ATP singles ranking of 307.
On March 5, 2007, he reached his highest ATP singles ranking of 218.
On April 30, 2007, he reached his highest ATP singles ranking of 173.
On 31 October 2011, he reached his highest ATP singles ranking of 305.
On July 23, 2007, he reached his highest ATP singles ranking of 163.
On October 27, 2008, he reached his highest ATP singles ranking of 448.