17 Oct 2011 To 23 Oct 2011ATP Challenger Seoul, Korea Republic2011 ATP Challenger Seoul, South Korea Men SinglesEliminated in by T. Matsui.MORE DETAILSFEWER DETAILSRoundOpponentsStatusScoreToshihide MatsuiLost6 - 4 6 - 0
09 May 2011 To 15 May 2011ATP Challenger Busan, Korea Republic2011 ATP Challenger Busan, South Korea Men SinglesEliminated in qualification by J. An.MORE DETAILSFEWER DETAILSRoundOpponentsStatusScoreQualificationJae Sung AnLost6 - 7 2 - 6
13 Sep 2010 To 26 Sep 2010ATP Challenger Bangkok, Thailand2010 ATP Challenger Bangkok, Thailand Men SinglesEliminated in by Y. Sugita.MORE DETAILSFEWER DETAILSRoundOpponentsStatusScoreYuichi SugitaLostRetired
09 Aug 2010 To 16 Aug 2010ATP Challenger Binghamton, USA2010 ATP Challenger Binghamton, USA Men SinglesEliminated in by A. El Mihdawy.MORE DETAILSFEWER DETAILSRoundOpponentsStatusScoreAdam El MihdawyLostRetired
17 May 2010 To 23 May 2010ATP Challenger Fergana, Uzbekistan2010 ATP Challenger Fergana, Uzbekistan Men SinglesEliminated in semi final by E. Kirillov.MORE DETAILSFEWER DETAILSRoundOpponentsStatusScoreSemi-FinalEvgeny KirillovLost5 - 7 0 - 6Quarter-FinalMao-Xin GongWon6 - 4 6 - 1Round of 16Yong-Kyu LimWonRetiredWoong-Sun JunWon7 - 6 6 - 3
10 May 2010 To 16 May 2010ATP Challenger Busan, Korea Republic2010 ATP Challenger Busan, South Korea Men SinglesEliminated in round of 16 by P. Duclos.MORE DETAILSFEWER DETAILSRoundOpponentsStatusScoreRound of 16Pierre-Ludovic DuclosLost2 - 6 4 - 6Rainer SchuettlerWon4 - 6 2 - 6