Republic of Korea
21.01.81, 44 years
21.01.81, 44 years
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
15.05.83, 42 years
15.05.83, 42 years
Se-Yong Yoon vs. Yong-Bum Seo - head to head matches
| 09.06.03 | q 1 | Se-Yong Yoon | Yong-Bum Seo | Yong-Bum Seo - walk over | match details |  Busan | Hard |
Se-Yong Yoon form & Yong-Bum Seo form
Se-Yong Yoon - last matches
| Seoul - Hard | ||||
| 06.09.04 q 1 | vs. Kyoung Sik Lim | 2-6, 3-6 |  | match details |
| Busan - Hard | ||||
| 09.06.03 q 2 | vs. Hyun-Woo Nam | 1-6, 6-78 | | match details |
| 09.06.03 q 1 | vs. Yong-Bum Seo | Yong-Bum Seo - walk over |  | match details |
| Seoul - Hard | ||||
| 22.10.01 q 1 | vs. John Hui | 7-63, 6-3 | | match details |
| 22.10.01 q 2 | vs. Alex Witt | 3-6, 3-6 | | match details |
Yong-Bum Seo - last matches
| Korea F5 - Clay | ||||
| 26.06.17 q 1 | vs. Suk Ann | - Yong-Bum Seo - walk over | | match details |
| Korea F4 - Hard | ||||
| 19.06.17 q 1 | vs. Chan Hwi Shin | 6-2, 3-6, 1-6 | | match details |
| Korea F3 - Hard | ||||
| 12.06.17 q 1 | vs. A-Ram Kim | 6-72, 2-6 | | match details |
| Korea F2 - Hard | ||||
| 05.06.17 q 1 | vs. Oh-Hee Kwon | 3-6, 4-6 | | match details |
| Korea F1 - Hard | ||||
| 29.05.17 q 1 | vs. Hyun Sik Go | 3-6, 2-6 | | match details |
| Korea F8 - Clay | ||||
| 05.09.16 q 1 | vs. Jinseok Yoo | - Yong-Bum Seo - walk over | | match details |
| Korea F7 - Clay | ||||
| 29.08.16 q 1 | vs. Sung Jun Park | 2-6, 1-6 | | match details |
| Korea F4 - Hard | ||||
| 04.07.16 q 1 | vs. Jun Sang Park | 4-6, 3-6 | | match details |
| Korea F3 - Hard | ||||
| 27.06.16 q 1 | vs. Jea Moon Lee | 3-6, 0-6 | | match details |
| Korea F2 - Hard | ||||
| 20.06.16 q 1 | vs. Seounghun Lee | 6-2, 6-4 | | match details |
| 20.06.16 qual. | vs. Sang-Woo Noh | 5-7, 0-6 | | match details |
| 20.06.16 q 2 | vs. Seung Dong Kim | 6-3, 6-0 | | match details |
| Korea F1 - Hard | ||||
| 13.06.16 q 1 | vs. Hyun-Joon Kim | 5-7, 4-6 | | match details |
| Korea F7 - Clay | ||||
| 07.09.15 q 2 | vs. Donghwi Shin | 6-0, 6-0 | | match details |
| 07.09.15 q 1 | vs. Choi Jae-Woo | 6-4, 6-3 | | match details |
| 07.09.15 qual. | vs. Tae-Woo Lee | 6-74, 7-64, 4-6 | | match details |
| Korea F6 - Clay | ||||
| 31.08.15 q 2 | vs. Sang-Oh Oh | 6-1, 6-3 | | match details |
| 31.08.15 qual. | vs. Jaeyoung Park | 6-2, 6-3 | | match details |
| 31.08.15 2nd round | vs. Ji Sung Nam | 3-6, 6-4, 1-6 | | match details |
| 31.08.15 1st round | vs. Ho-Min Kang | 6-4, Ho-Min Kang - retired | | match details |
| 31.08.15 q 1 | vs. Sang Wook Jeon | 6-0, 6-0 | | match details |
| Korea F5 - Hard | ||||
| 24.08.15 q 1 | vs. Dong-Kyu Lee | 6-74, 2-6 | | match details |
| Korea F1 - Hard | ||||
| 21.04.14 q 2 | vs. Kittiphong Wachiramanowong | 1-6, 5-7 | | match details |
| 21.04.14 q 1 | vs. Atsushi Ushida | 6-2, 6-4 | | match details |
 Egypt F2 - Clay | ||||
| 20.01.14 qual. | vs. Gregor Hutterer | 6-2, 5-0, Gregor Hutterer - retired | | match details |
| 20.01.14 q 1 | vs. Robbie Ridout | 6-4, 6-4 | | match details |
| 20.01.14 1st round | vs. Ji Sung Nam | 1-2, - Yong-Bum Seo - retired | | match details |
| 20.01.14 q 2 | vs. Ugo Nastasi | 5-7, 6-2, 7-62 | | match details |
| Egypt F1 - Clay | ||||
| 13.01.14 qual. | vs. Fabio Mercuri | 6-2, 6-4 | | match details |
| 13.01.14 1st round | vs. Jose Pereira | 6-4, 6-1 | | match details |
