2011 Winner,Houston • ATP 250 2011 3rd round,Indian Wells • ATP Masters 1000 2010 3rd round,Washington • ATP 500 2012 1/4 final,Houston • ATP 250 2011 1/4 final,Delray Beach • ATP 250 2012 1/4 final,Champaign • ATP CH 50 2012 2nd round,Wimbledon • Grand Slam 2012 2nd round,Australian Open • Grand Slam 2011 2nd round,Wimbledon • Grand Slam 2011 2nd round,Australian Open • Grand Slam 2006 2nd round,US Open • Grand Slam 2012 2nd round,Indian Wells • ATP Masters 1000 2009 2nd round,Indian Wells • ATP Masters 1000 2012 2nd round,Memphis • ATP 500 2011 2nd round,Washington • ATP 500 2012 2nd round,Londres • ATP 250 2012 2nd round,Delray Beach • ATP 250 2012 2nd round,Sydney • ATP 250 2011 2nd round,Winston-Salem • ATP 250 2011 2nd round,Los Angeles • ATP 250 2010 2nd round,Los Angeles • ATP 250 2010 2nd round,Houston • ATP 250 2009 2nd round,Los Angeles • ATP 250 2006 2nd round,Washington • ATP 250 2013 2nd round,Dallas • ATP CH 100 2015 2nd round,Lexington • ATP CH 50 2008 2nd round,Miami • ATP Masters 1000