Republic of Korea
04.11.81, 43 years
174 cm
68 kg
Right-handed
04.11.81, 43 years
174 cm
68 kg
Right-handed
Country
Birthdate
Height
Weight
Profi since
Play
Ranking's position
Points
Prize money
Birthdate
Height
Weight
Profi since
Play
Ranking's position
Points
Prize money
Republic of Korea
18.03.89, 36 years
18.03.89, 36 years
Sung-Kyun Kang vs. Daniel Yoon - head to head matches
| 19.05.08 | 1st round | Sung-Kyun Kang | Daniel Yoon | 6-2, 6-3 | match details |  Korea F4 | Hard |
Sung-Kyun Kang form & Daniel Yoon form
Sung-Kyun Kang - last matches
| Seoul Challenger - Hard | ||||
| 22.10.12 q 1 | vs. Brydan Klein | 1-6, 6-3, 4-6 |  | match details |
 Japan F5 - Clay | ||||
| 11.06.12 1st round | vs. Hiroyasu Ehara | 1-6, 2-6 | | match details |
| Korea F2 - Hard | ||||
| 21.05.12 1st round | vs. Chu-Huan Yi | 6-2, 2-6, 7-5 |  | match details |
| 21.05.12 2nd round | vs. Samuel Groth | 5-7, 1-6 | | match details |
| Seoul Challenger - Hard | ||||
| 17.10.11 q 1 | vs. Jae Won Yun | 6-1, 6-1 | | match details |
| 17.10.11 q 2 | vs. Yuichi Ito | 1-6, 6-1, 7-5 | | match details |
| 17.10.11 qual. | vs. Toshihide Matsui | 3-6, 4-6 | | match details |
| Japan F7 - Carpet | ||||
| 21.06.10 2nd round | vs. Yaoki Ishii | 7-65, 6-1 | | match details |
| 21.06.10 1/4 | vs. Hiroki Kondo | 6-74, 5-7 | | match details |
| 21.06.10 1st round | vs. Yusuke Watanuki | 6-1, 3-6, 6-0 | | match details |
| Busan Challenger - Hard | ||||
| 10.05.10 q 2 | vs. Jae-Sung An | 4-6, 3-6 | | match details |
| 10.05.10 q 1 | vs. Junn Mitsuhashi | 6-2, 7-63 | | match details |
| Korea F3 - Hard | ||||
| 19.04.10 1st round | vs. Zhe Li | 4-6, 7-5, 5-7 | | match details |
| Korea F1 - Hard | ||||
| 05.04.10 1st round | vs. Suk-Young Jeong | 3-6, 2-6 | | match details |
| Korea F6 - Hard | ||||
| 20.07.09 1st round | vs. Hsin-Han Lee | 6-74, 5-7 | | match details |
| Korea F5 - Hard | ||||
| 13.07.09 1st round | vs. Tsung-Hua Yang | 6-0, 2-6, 2-6 | | match details |
 Malaysia F3 - Hard | ||||
| 29.06.09 1st round | vs. Tsung-Hua Yang | 4-6, 3-6 | | match details |
| Malaysia F2 - Hard | ||||
| 22.06.09 1st round | vs. Zhe Li | 6-4, 6-3 | | match details |
| 22.06.09 2nd round | vs. Tsung-Hua Yang | 4-6, 1-6 | | match details |
| Malaysia F1 - Hard | ||||
| 15.06.09 1st round | vs. David Rice | 6-4, 5-7, 2-6 | | match details |
| Korean Rep. - Hard | ||||
| 27.04.09 2nd round | vs. Zhe Li | 3-6, 6-75 | | match details |
| 27.04.09 1st round | vs. Oh-Hee Kwon | 6-3, 6-1 | | match details |
| Korea F3 - Hard | ||||
| 20.04.09 2nd round | vs. Daniel King-Turner | 2-6, 6-2, 5-7 | | match details |
| 20.04.09 1st round | vs. Zhe Li | 7-5, 6-0 | | match details |
| Korea F1 - Hard | ||||
| 06.04.09 2nd round | vs. Yong-Kyu Lim | 0-6, 6-3, 2-6 | | match details |
| 06.04.09 1st round | vs. Philippe De Bonnevie | 7-5, 6-3 | | match details |
 Kazakhstan F2 - Clay | ||||
| 07.07.08 2nd round | vs. Vitali Reshetnikov | 7-5, 3-6, 6-2 | | match details |
| 07.07.08 1/4 | vs. Murad Inoyatov | 6-4, 7-5 | | match details |
| 07.07.08 fin | vs. Adam Vejmelka | 3-6, 3-6 | | match details |
| 07.07.08 1/2 | vs. Ilya Belyaev | 7-62, 6-3 | | match details |
Daniel Yoon - last matches
| Korea F8 - Hard | ||||
| 24.06.13 1st round | vs. Connor Farren | 5-7, 4-6 | | match details |
| Korea F7 - Hard | ||||
| 17.06.13 q 1 | vs. Jeong Tae Kim | 6-74, 6-4, 4-6 | | match details |
| Korea F6 - Hard | ||||
| 10.06.13 q 1 | vs. Dong-Hak Sin | 1-6, 3-6 | | match details |
| Korea F5 - Hard | ||||
| 03.06.13 q 2 | vs. Taemin Kwon | 6-1, 6-4 | | match details |
| 03.06.13 1st round | vs. Yong-Kyu Lim | 3-6, 0-6 | | match details |
| 03.06.13 qual. | vs. Yu-Seob Kim | 7-63, 7-66 | | match details |
| Korea F4 - Hard | ||||
| 27.05.13 q 1 | vs. Soon-Woo Kwon | 6-4, 6-76, 4-6 | | match details |
| Korea F3 - Hard | ||||
| 20.05.13 q 1 | vs. Sun-Yong Kim | 6-2, 7-5 | | match details |
| 20.05.13 q 2 | vs. Yung-Tae Kim | 6-1, 6-2 | | match details |
| 20.05.13 qual. | vs. Dukyoung Kim | 3-6, 4-6 | | match details |
| Seoul Challenger - Hard | ||||
| 22.10.12 q 1 | vs. Divij Sharan | 1-6, 1-6 | | match details |
| Korea F1 - Hard | ||||
| 16.05.11 1st round | vs. Dong-Kyu Lee | 3-6, 0-6 | | match details |
| Busan Challenger - Hard | ||||
| 09.05.11 q 1 | vs. Jose Statham | 6-78, 2-6 | | match details |
 China F7 - Hard | ||||
| 17.08.09 1st round | vs. Ze Zhang | 2-6, 0-6 | | match details |
| Busan - Hard | ||||
| 27.10.08 q 1 | vs. Dylan Seong-Kwan Kim | 1-6, 0-6 | | match details |
| Korea F4 - Hard | ||||
| 19.05.08 1st round | vs. Sung-Kyun Kang | 2-6, 3-6 | | match details |
| Busan - Hard | ||||
| 14.04.08 q 1 | vs. Seung-Jae Lee | 5-7, 2-6 | | match details |
| Korea F3 - Hard | ||||
| 07.05.07 1st round | vs. Go Soeda | 1-6, 1-6 | | match details |
