Japan
15.06.81, 43 years
22754 $
15.06.81, 43 years
22754 $
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
04.11.81, 43 years
174 cm
68 kg
Right-handed
04.11.81, 43 years
174 cm
68 kg
Right-handed
Joji Miyao vs. Sung-Kyun Kang - head to head matches
| 09.06.03 | q 2 | Joji Miyao | Sung-Kyun Kang | 1-6, 6-3, 6-2 | match details |  Busan | Hard |
Joji Miyao form & Sung-Kyun Kang form
Joji Miyao - last matches
 Japan F11 - Hard | ||||
| 20.10.08 1st round | vs. Tasuku Iwami | 0-6, 2-6 |  | match details |
| Japan F6 - Carpet | ||||
| 23.06.08 1st round | vs. Arata Onozawa | 5-7, 2-6 | | match details |
| Japan F11 - Hard | ||||
| 22.10.07 1st round | vs. Yaoki Ishii | 3-6, 3-6 | | match details |
| Tokyo - Hard | ||||
| 01.10.07 q 1 | vs. Simon Stadler | 1-6, 1-6 | | match details |
| Japan F9 - Carpet | ||||
| 17.09.07 1st round | vs. Yasuyuki Akimoto | 6-3, 6-4 |  | match details |
| 17.09.07 2nd round | vs. Masato Hatanaka | 6-1, 3-6, 6-72 | | match details |
 Vancouver - Hard | ||||
| 30.07.07 q 1 | vs. Horia Tecau | 5-7, 4-6 | | match details |
 Lexington - Hard | ||||
| 23.07.07 q 2 | vs. Hiroki Kondo | 6-73, 1-6 | | match details |
| 23.07.07 q 1 | vs. Andres Escalante | 6-3, 6-4 | | match details |
| Aptos - Hard | ||||
| 16.07.07 q 1 | vs. Hiroki Kondo | 2-6, 4-6 | | match details |
| Japan F6 - Carpet | ||||
| 11.06.07 1st round | vs. Daniel King-Turner | 4-6, 2-6 | | match details |
| Japan F4 - Carpet | ||||
| 09.04.07 1st round | vs. Andemir Karanashev | 6-4, 6-74, 4-6 | | match details |
| Japan F3 - Carpet | ||||
| 02.04.07 1st round | vs. Masatoshi Miyazaki | 6-2, 3-6, 4-6 | | match details |
| Japan F2 - Hard | ||||
| 26.03.07 1st round | vs. Adam Thompson | 3-6, 3-6 | | match details |
 Ho Chi - Hard | ||||
| 12.03.07 q 1 | vs. Sergei Bubka | 3-6, 1-6 | | match details |
| Kyoto - Carpet | ||||
| 05.03.07 q 1 | vs. Weerapat Doakmaiklee | 7-5, 7-61 | | match details |
| 05.03.07 q 2 | vs. Kento Takeuchi | 6-2, 6-2 | | match details |
| 05.03.07 qual. | vs. Yaoki Ishii | 7-63, 2-6, 0-6 | | match details |
| Japan F10 - Carpet | ||||
| 18.09.06 1st round | vs. Tetsuya Chaen | 4-6, 4-6 | | match details |
| Japan F9 - Carpet | ||||
| 11.09.06 1st round | vs. Minh Le | 2-6, 4-6 | | match details |
| Japan F7 - Clay | ||||
| 19.06.06 2nd round | vs. Minh Le | 0-6, 4-6 | | match details |
| 19.06.06 1st round | vs. Masato Matsuda | 6-0, 6-0 | | match details |
| Japan F6 - Clay | ||||
| 12.06.06 1st round | vs. Hayato Furukawa | 1-6, 4-6 | | match details |
| Japan F1 - Hard | ||||
| 10.04.06 1st round | vs. Alexander Slabinsky | 4-6, 1-6 | | match details |
 Mexico F16 - Hard | ||||
| 24.10.05 1st round | vs. Antonio Ruiz-Rosales | 2-6, 0-6 | | match details |
| Japan F10 - Hard | ||||
| 05.09.05 1st round | vs. Hyung-Tae Kwon | 5-7, 2-6 | | match details |
| Japan F8 - Hard | ||||
| 27.06.05 2nd round | vs. Norikazu Sugiyama | 1-6, 3-4, - Joji Miyao - retired | | match details |
| 27.06.05 1st round | vs. Hiroyasu Sato | 6-2, 6-3 | | match details |
| Japan F7 - Clay | ||||
| 20.06.05 1st round | vs. Phillip King | 1-6, 1-6 | | match details |
| Japan F6 - Carpet | ||||
| 13.06.05 1st round | vs. Katsushi Fukuda | 6-3, 6-1 | | match details |
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 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 |
| 21.06.10 2nd round | vs. Yaoki Ishii | 7-65, 6-1 | | 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 1st round | vs. Philippe De Bonnevie | 7-5, 6-3 | | match details |
| 06.04.09 2nd round | vs. Yong-Kyu Lim | 0-6, 6-3, 2-6 | | 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 |
