2015 New Delhi • ATP CH 100 2014 New Delhi • ATP CH 100 2015 Winnetka • ATP CH 50 2011 Final,Johannesburg • ATP 250 2009 Final,Chennai • ATP 250 2011 4th round,Indian Wells • ATP Masters 1000 2013 1/2 final,Caltanisseta • ATP CH 100 2013 1/2 final,Sarasota • ATP CH 100 2013 1/2 final,Nottingham • ATP CH 70 2014 1/2 final,Kolkata • ATP CH 50 2014 1/2 final,Chennai • ATP CH 50 2013 1/2 final,Winnetka • ATP CH 50 2013 3rd round,Miami • ATP Masters 1000 2011 3rd round,Miami • ATP Masters 1000 2013 3rd round,Washington • ATP 500 2009 3rd round,Washington • ATP 500 2011 1/4 final,Atlanta • ATP 250 2011 1/4 final,Belgrade • ATP 250 2010 1/4 final,Johannesburg • ATP 250 2008 1/4 final,Washington • ATP 250 2014 1/4 final,Aptos • ATP CH 100 2013 1/4 final,Charlottesville • ATP CH 70 2015 1/4 final,Bangkok • ATP CH 50 2015 1/4 final,Hong Kong • ATP CH 50 2013 2nd round,Australian Open • Grand Slam 2011 2nd round,Wimbledon • Grand Slam 2009 2nd round,US Open • Grand Slam 2014 2nd round,Dubai • ATP 500 2013 2nd round,Dubai • ATP 500 2011 2nd round,Washington • ATP 500