Republic of Korea
20.02.76, 49 years
21857 $
20.02.76, 49 years
21857 $
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
01.05.95, 30 years
01.05.95, 30 years
Seong-Yoon Chung vs. Gyu Sub Choi - head to head matches
| 20.05.13 | q 1 | Seong-Yoon Chung | Gyu Sub Choi | 6-1, 6-0 | match details |  Korea F3 | Hard |
Seong-Yoon Chung form & Gyu Sub Choi form
Seong-Yoon Chung - last matches
| Korea F3 - Hard | ||||
| 20.05.13 qual. | vs. Hyeong Jin Cho | 6-0, 5-7, 6-1 |  | match details |
| 20.05.13 q 1 | vs. Gyu Sub Choi | 6-1, 6-0 | | match details |
| 20.05.13 1st round | vs. Young-Jun Kim | 1-4, - Seong-Yoon Chung - retired |  | match details |
| 20.05.13 q 2 | vs. Sung Jun Park | 6-3, 6-1 | | match details |
| Korea F1 - Hard | ||||
| 16.05.11 1st round | vs. Yong-Kyu Lim | 2-6, 2-6 | | match details |
| Busan Challenger - Hard | ||||
| 09.05.11 q 1 | vs. Zhe Li | 4-6, 1-6 | | match details |
 Kazakhstan F5 - I. hard | ||||
| 11.10.10 1st round | vs. Oleksiy Arovin | 6-0, 6-2 | | match details |
| 11.10.10 2nd round | vs. Jae-Won Choi | 1-6, 3-6 | | match details |
| Kazakhstan F4 - I. hard | ||||
| 04.10.10 2nd round | vs. Antoine Tassart | 4-6, 2-6 | | match details |
| 04.10.10 1st round | vs. Dmitri Marfinsky | 7-64, 6-1 | | match details |
 Japan F5 - Clay | ||||
| 07.06.10 1st round | vs. Yasuo Miyazaki | 4-6, 3-6 | | match details |
| Busan Challenger - Hard | ||||
| 10.05.10 q 1 | vs. Jung-Woong Na | 1-6, 2-6 | | match details |
| Chuncheon Challenger - Hard | ||||
| 02.11.09 q 1 | vs. Seung-Jae Lee | 6-4, 1-6, 1-6 | | match details |
 Thailand F5 - Hard | ||||
| 12.10.09 1st round | vs. Elbert Sie | 2-6, 4-6 | | match details |
| Thailand F4 - Hard | ||||
| 05.10.09 1st round | vs. Jose Statham | 2-6, 4-6 | | match details |
 India F9 - Hard | ||||
| 31.08.09 1st round | vs. Kyle Brassington | 3-6, 6-4, Kyle Brassington - retired | | match details |
| 31.08.09 2nd round | vs. Karunuday Singh | 4-6, 1-6 | | match details |
| India F8 - Hard | ||||
| 24.08.09 1st round | vs. Seung-Jae Lee | 2-6, 2-6 | | match details |
| India F7 - Hard | ||||
| 17.08.09 1st round | vs. Krishananth Balakrishnan | 7-5, 3-6, 6-0 | | match details |
| 17.08.09 2nd round | vs. Chris Eaton | 2-6, 5-7 | | match details |
| Korea F6 - Hard | ||||
| 20.07.09 2nd round | vs. Tatsuma Ito | 3-6, 3-6 | | match details |
| 20.07.09 1st round | vs. Sang-Woo Noh | 6-2, 6-0 | | match details |
| Korea F5 - Hard | ||||
| 13.07.09 2nd round | vs. Ti Chen | 5-7, 6-4, 2-6 | | match details |
| 13.07.09 1st round | vs. Dong-Whee Choi | 6-3, 4-6, 7-63 | | match details |
| Busan Challenger - Hard | ||||
| 11.05.09 q 1 | vs. Yves Allegro | 4-6, 7-64, 4-6 | | match details |
| Korea F1 - Hard | ||||
| 06.04.09 1st round | vs. Jae-Sung An | 5-7, 6-3, 4-6 | | match details |
 China F2 - Hard | ||||
| 12.01.09 1st round | vs. Hsin-Han Lee | 4-6, 3-6 | | match details |
| Thailand F6 - Hard | ||||
| 15.09.08 2nd round | vs. Peter Gojowczyk | 1-6, 0-6 | | match details |
| 15.09.08 1st round | vs. Pongsiri Niroj | 7-63, 6-2 | | match details |
| Thailand F5 - Hard | ||||
| 08.09.08 2nd round | vs. Nathan Thompson | 2-6, 0-6 | | match details |
Gyu Sub Choi - last matches
| Korea F5 - Hard | ||||
| 03.06.13 q 2 | vs. Moo Seong Park | 6-3, 7-5 | | match details |
| 03.06.13 qual. | vs. Jong-Min Choi | 2-6, 2-6 | | match details |
| 03.06.13 q 1 | vs. Dong Woo Kim | 7-63, 6-1 | | match details |
| Korea F3 - Hard | ||||
| 20.05.13 q 1 | vs. Seong-Yoon Chung | 1-6, 0-6 | | match details |
