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
29.01.77, 48 years
34.345 $
29.01.77, 48 years
34.345 $
Woong-Sun Jun vs. Hee-Seok Chung - H2H matches
| 20.03.06 | 1st round | Woong-Sun Jun | Hee-Seok Chung | 7-5, 7-5 | match details |  Korea F2 | Hard |
Woong-Sun Jun form & Hee-Seok Chung form
Woong-Sun Jun - last matches
| Korea F7 - Clay | ||||
| 01.09.16 1/4 | vs. Hong Chung | 1-6, 3-6 |  | match details |
| 31.08.16 2nd round | vs. Tae-Woo Lee | 6-4, 3-6, 7-62 |  | match details |
| 30.08.16 1st round | vs. Dong-Kyu Lee | 5-7, 6-4, 6-2 | | match details |
| 29.08.16 qual. | vs. A-Ram Kim | 6-4, 3-6, 6-1 | | match details |
| 29.08.16 q 2 | vs. Jaeseok Han | 6-1, 6-0 | | match details |
| Korea F1 - Hard | ||||
| 15.06.16 1st round | vs. Makoto Ochi | 1-2, - Woong-Sun Jun - retired | | match details |
| Busan Challenger - Hard | ||||
| 30.04.16 q 1 | vs. Yong-Kyu Lim | 6-3, 4-6, 1-6 | | match details |
| Gwangju Challenger - Hard | ||||
| 09.04.16 q 1 | vs. Chan-Yeong Oh | 2-6, 6-4, 0-6 | | match details |
 Kobe Challenger - I. hard | ||||
| 08.11.15 q 2 | vs. Makoto Ochi | 5-7, 3-6 | | match details |
| 07.11.15 q 1 | vs. Shota Iino | 5-7, 6-2, 6-1 | | match details |
 Shanghai - Hard | ||||
| 10.10.15 q 1 | vs. Pierre-Hugues Herbert | 3-6, 2-6 | | match details |
 Kuala Lumpur - I. hard | ||||
| 26.09.15 q 1 | vs. Mischa Zverev | 4-6, 2-6 | | match details |
| Korea F7 - Clay | ||||
| 07.09.15 2nd round | vs. Hiromasa Oku | 6-3, 6-3 | | match details |
| 07.09.15 q 2 | vs. Eun Chong Shin | 6-4, 6-3 | | match details |
| 07.09.15 1/4 | vs. Arata Onozawa | 6-4, 4-6, 6-2 | | match details |
| 07.09.15 qual. | vs. Seong-Gook Oh | 6-3, 6-4 | | match details |
| 07.09.15 1/2 | vs. Cheong-Eui Kim | 2-6, 1-6 | | match details |
| 07.09.15 1st round | vs. Jae Won Yun | 6-2, 6-4 | | match details |
| 07.09.15 q 1 | vs. Hyeong Jin Cho | 6-3, 7-5 | | match details |
| Korea F6 - Clay | ||||
| 31.08.15 q 2 | vs. Seul-Ki Um | 2-6, 6-74 | | match details |
| 31.08.15 q 1 | vs. Choi Jae-Woo | 5-7, 6-1, 6-2 | | match details |
| Korea F5 - Hard | ||||
| 24.08.15 q 1 | vs. Ilyoung Jeong | 6-3, 6-4 | | match details |
| 24.08.15 qual. | vs. Dong-Kyu Lee | 2-6, 1-6 | | match details |
| 24.08.15 q 2 | vs. Seung-Jae Lee | 6-2, 2-6, 7-66 | | match details |
| Japan F8 - Clay | ||||
| 22.06.15 1st round | vs. Takuto Niki | 2-6, 6-2, 4-6 | | match details |
 Hong Kong - Hard | ||||
| 15.06.15 1st round | vs. Marcos Giraldi Requena | 2-6, 3-6 | | match details |
| Hong Kong - Hard | ||||
| 08.06.15 1st round | vs. Ching-Mou Yu | 4-6, 1-6 | | match details |
| Gimcheon Challenger - Hard | ||||
| 31.05.15 q 2 | vs. Jae Hwan Kim | 3-6, 6-75 | | match details |
| Korea F2 - Hard | ||||
| 25.05.15 1st round | vs. Blake Mott | 3-6, 2-6 | | match details |
| 25.05.15 qual. | vs. Dae-Soung Oh | 6-4, 4-6, 3-6 | | match details |
Hee-Seok Chung - last matches
| Busan - Hard | ||||
| 06.11.06 1st round | vs. Alex Jr. Bogomolov | 4-6, 4-6 | | match details |
| 06.11.06 q 1 | vs. Dong-Hyun Kim | 3-6, 6-4, 6-4 | | match details |
| 06.11.06 q 2 | vs. Chul-Hee Lee | 6-3, 6-2 | | match details |
| 06.11.06 qual. | vs. Nicholas Monroe | 6-3, 6-2 | | match details |
| Seoul - Hard | ||||
| 30.10.06 q 1 | vs. Dong-Whee Choi | 6-2, 6-1 | | match details |
| 30.10.06 qual. | vs. Julien Jeanpierre | 2-6, 0-6 | | match details |
| 30.10.06 q 2 | vs. Takao Suzuki | 1-6, 6-1, 2-2, Takao Suzuki - retired | | match details |
 Thailand F5 - Hard | ||||
| 14.08.06 1st round | vs. Kirati Siributwong | 3-6, 6-3, 1-0, Kirati Siributwong - retired | | match details |
| 14.08.06 fin | vs. Nick Lindahl | 6-1, 6-1 | | match details |
| 14.08.06 2nd round | vs. Ti Chen | 6-4, 6-1 | | match details |
| 14.08.06 1/4 | vs. Petar Jelenic | 2-6, 6-4, 6-3 | | match details |
| 14.08.06 1/2 | vs. Jonathan Chu | 7-65, 1-6, 6-4 | | match details |
| Thailand F4 - Hard | ||||
| 07.08.06 1/4 | vs. Kirati Siributwong | 6-3, 6-1 | | match details |
| 07.08.06 1/2 | vs. Nick Lindahl | 3-6, 6-2, 6-4 | | match details |
| 07.08.06 1st round | vs. Sorachet Uayporn | 6-0, 6-0 | | match details |
| 07.08.06 fin | vs. Ti Chen | 6-4, 6-0 | | match details |
| 07.08.06 2nd round | vs. Hyun-Woo Nam | 6-2, Hyun-Woo Nam - retired | | match details |
| Busan - Hard | ||||
| 29.05.06 1st round | vs. Phillip King | 6-0, 6-1 | | match details |
| 29.05.06 2nd round | vs. Robert Kendrick | 3-6, 6-1, 4-6 | | match details |
| Korea F3 - Hard | ||||
| 27.03.06 1st round | vs. Vladimir Voltchkov | 7-5, 3-6, 2-6 | | match details |
| Korea F2 - Hard | ||||
| 20.03.06 1st round | vs. Woong-Sun Jun | 5-7, 5-7 | | match details |
| Korea F1 - Hard | ||||
| 13.03.06 2nd round | vs. Melvyn Op Der Heijde | 2-6, 6-0, 5-7 | | match details |
| 13.03.06 1st round | vs. Ki-Sung Kim (1983) | 6-1, 6-1 | | match details |
| Davis Cup - Hard | ||||
| 06.02.06 Rubber 1 | vs. Rohan Bopanna | 3-6, 6-2, 6-3, 6-4 | | match details |
| Busan - Hard | ||||
| 31.10.05 q 2 | vs. Martijn van Haasteren | 1-6, 5-7 | | match details |
| 31.10.05 q 1 | vs. Atsuo Ogawa | 7-62, 6-4 | | match details |
 Indonesia F3 - Hard | ||||
| 15.08.05 1st round | vs. Nick Lindahl | 4-6, 6-4, 4-6 | | match details |
| Indonesia F2 - Hard | ||||
| 08.08.05 2nd round | vs. Yusmawan Fahmi | 6-1, 6-3 | | match details |
| 08.08.05 fin | vs. Oh-Hee Kwon | 6-74, 1-6 | | match details |
| 08.08.05 1/4 | vs. Prima Simpatiaji | 7-5, 6-3 | | match details |
