2003 - Lost to Paradorn Srichaphan of Thailand 6-4 6-4 6-2 in the third round
2005 - Lost to Gilles Muller of Luxembourg 6-4 4-6 6-3 6-4 in the second round
2012 - Lost to Lukas Rosol of the Czech Republic 6-7(9) 6-4 6-4 2-6 6-4 in the second round
2013 - Lost to Belgian Steve Darcis 7-6(4) 7-6(8) 6-4 in the first round
2014 - Lost to Australia’s Nick Kyrgios 7-6(5) 5-7 7-6(5) 6-3 in the fourth round
2015 - Lost to qualifier Dustin Brown of Germany 7-5 3-6 6-4 6-4 in the second round
2017 - Lost to Gilles Muller of Luxembourg 6-3 6-4 3-6 4-6 15-13 in the fourth round
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