
Korea, Rep.
| Age | 40 (25-09-1985) |
| Country | |
| Birthplace | Daejeon |
| Height | 180 |
| Weight | 80 |
| Plays | Left-Handed |
| Backhand | Two-Handed |
| Favorite Surface | |
| Coach | Pierre Arnold |
| Turned Pro | |
| Player Status | Inactive |
Hard
Clay
Grass
Indoor
All
| Aces / Game | 0.21 | 13 / 62 |
| DFs / Game | 0.40 | 25 / 62 |
| 1st Serve % | 58.0% | 250 / 431 |
| 1st Serve Win % | 60.4% | 151 / 250 |
| 2nd Serve Win % | 38.7% | 70 / 181 |
| Service Points Win % | 51.3% | 221 / 431 |
| Opponent Aces / Game | 0.13 | 8 / 62 |
| Opponent Double Faults / Game | 0.44 | 27 / 62 |
| Opponent 1st Serve % | 58.8% | 255 / 434 |
| 1st Return Win % | 31.0% | 79 / 255 |
| 2nd Return Win % | 50.3% | 90 / 179 |
| Return Points Win % | 38.9% | 169 / 434 |
| Break Points Saved Per Game | 0.61 | 38 / 62 |
| Break Points Faced Per Game | 1.08 | 67 / 62 |
| Break Points Save % | 56.7% | 38 / 67 |
| Service Hold % | 53.2% | 33 / 62 |
| Break Points Won Per Game | 0.21 | 13 / 62 |
| Opponent Break Points Per Game | 0.69 | 43 / 62 |
| BP Won % | 30.2% | 13 / 43 |
| Opp Hold % | 79.0% | 49 / 62 |
| Korea F6 (Anseong) | ||||||
29 Aug 2018 R1 | 6 2 7 6 | L | H2H 0-0 | |||
| Korea F4 (Gimcheon) | ||||||
13 Aug 2018 QF | 6 2 1 6 7 6 | L | H2H 0-0 | |||
12 Aug 2018 Q2 | 6 0 6 0 | W | H2H 0-0 | |||
11 Aug 2018 Q1 | 6 1 6 0 | W | H2H 0-0 | |||
| year | All | hard | clay | indoor | grass |
| 2018 | 4-8 | 4-7 | 0-1 | 0-0 | 0-0 |
| 2017 | 7-9 | 3-5 | 4-4 | 0-0 | 0-0 |
| 2016 | 18-14 | 13-7 | 5-7 | 0-0 | 0-0 |
| 2015 | 9-9 | 4-5 | 5-4 | 0-0 | 0-0 |
| 2012 | 7-17 | 7-14 | 0-3 | 0-0 | 0-0 |
| 2011 | 31-23 | 25-16 | 4-3 | 1-3 | 1-1 |
| 2010 | 40-25 | 20-13 | 18-8 | 2-4 | 0-0 |
| 2009 | 24-28 | 19-17 | 5-8 | 0-3 | 0-0 |
| 2008 | 28-12 | 19-11 | 9-1 | 0-0 | 0-0 |
| 2007 | 6-19 | 4-17 | 0-0 | 2-2 | 0-0 |
| 2006 | 37-24 | 33-19 | 1-1 | 3-4 | 0-0 |
| 2005 | 13-23 | 12-18 | 1-5 | 0-0 | 0-0 |
| 2004 | 2-11 | 2-9 | 0-2 | 0-0 | 0-0 |
| Grand Slam | 0.0% | 0 / 0 |
| Masters | 0.0% | 0 / 1 |
| Main Tour | 25.0% | 2 / 6 |
| Cups | 0.0% | 0 / 0 |
| Challengers | 46.7% | 50 / 57 |
| Futures | 52.4% | 174 / 158 |
| Vs No.1 | 0.0% | 0 / 0 |
| Vs Top.5 | 0.0% | 0 / 0 |
| Vs Top.10 | 0.0% | 0 / 0 |
| Vs Top.20 | 0.0% | 0 / 0 |
| Vs Top.50 | 0.0% | 0 / 1 |
| Vs Top.100 | 0.0% | 0 / 4 |
| Overall | 50.7% | 221 / 215 |
| Hard | 51.1% | 165 / 158 |
| Clay | 52.5% | 52 / 47 |
| Indoor | 25.0% | 3 / 9 |
| Grass | 50.0% | 1 / 1 |
| Final | 63.6% | 7 / 4 |
| Semi-Final | 64.7% | 11 / 6 |
| Quarter-Final | 43.6% | 17 / 22 |
| Second | 46.4% | 39 / 45 |
| First | 45.6% | 83 / 99 |
| Qualifying Final | 65.2% | 15 / 8 |
| Qualifying R2 | 61.8% | 21 / 13 |
| Qualifying R1 | 54.0% | 27 / 23 |
| Pre-Q | 75.0% | 6 / 2 |
Title
Finals
![]() Daniel Yoo | Loss VIEW H2H | ![]() Paul-Henri Mathieu | ||
![]() Daniel Yoo | Draw VIEW H2H | ![]() Takao Suzuki | ||
![]() Daniel Yoo | Draw VIEW H2H | ![]() Jeff Morrison | ||
![]() Daniel Yoo | Draw VIEW H2H | ![]() Diego Hipperdinger | ||
![]() Daniel Yoo | Draw VIEW H2H | ![]() Tetsuya Chaen | ||
![]() Daniel Yoo | Draw VIEW H2H | ![]() Philip Gubenco | ||
![]() Daniel Yoo | Draw VIEW H2H | ![]() Satoshi Iwabuchi | ||
![]() Daniel Yoo | Draw VIEW H2H | ![]() Kevin Kim | ||
![]() Daniel Yoo | Draw VIEW H2H | ![]() Cecil Mamiit | ||
![]() Daniel Yoo | Draw VIEW H2H | ![]() Zbynek Mlynarik | ||
![]() Daniel Yoo | Draw VIEW H2H | ![]() Dmitri Vlasov | ||
![]() Daniel Yoo | Draw VIEW H2H | ![]() Vladimir Voltchkov | ||