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
16.06.90, 34 years
16.06.90, 34 years
Chan-Yeong Oh vs. Seul-Ki Um - head to head matches
| 20.06.16 | q 1 | Chan-Yeong Oh | Seul-Ki Um | 6-3, 6-2 | match details |  Korea F2 | Hard |
Chan-Yeong Oh form & Seul-Ki Um form
Chan-Yeong Oh - last matches
| M15 Andong - Hard | ||||
| 23.05.25 1/4 | vs. Jake Delaney | 6-74, 4-6 |  | match details |
| 22.05.25 2nd round | vs. Tomohiro Masabayashi | 6-2, 6-2 |  | match details |
| 21.05.25 1st round | vs. Yua Taka | 6-3, 6-2 | | match details |
 M15 Tsukuba - Hard | ||||
| 27.03.25 2nd round | vs. Hikaru Shiraishi | 3-6, 0-6 | | match details |
| 25.03.25 1st round | vs. Julien De Cuyper | 7-5, 6-0 | | match details |
| 24.03.25 qual. | vs. Kazuki Nishiwaki | 6-2, 6-1 | | match details |
| 23.03.25 q 1 | vs. Yoshinori Kobayashi | 6-4, 6-4 | | match details |
| M15 Nishi - Hard | ||||
| 19.03.25 1st round | vs. Shunsuke Nakagawa | 3-6, 4-6 | | match details |
| M15 Hinode - Hard | ||||
| 14.03.25 1/4 | vs. Takuya Kumasaka | 2-6, 6-4, 4-6 | | match details |
| 13.03.25 2nd round | vs. Junhyun Lee | 6-3, 6-1 | | match details |
| 11.03.25 1st round | vs. Seungmin Park | 4-6, 6-4, 7-68 | | match details |
 M25 Bali - Hard | ||||
| 02.01.25 2nd round | vs. Shunsuke Nakagawa | 6-75, 6-4, 6-72 | | match details |
| 31.12.24 1st round | vs. Abel Forger | 6-4, 2-1, Abel Forger - retired | | match details |
| M15 Bali - Hard | ||||
| 23.12.24 qual. | vs. Jumpei Yamasaki | 4-6, 1-6 | | match details |
| 22.12.24 q 1 | vs. Ammar Elamin | 6-1, 6-1 | | match details |
 M15 Sharm - Hard | ||||
| 12.12.24 2nd round | vs. Mohamed Safwat | 6-711, 1-6 | | match details |
| 11.12.24 1st round | vs. Adam Bajurko | 6-1, 6-3 | | match details |
| M15 Sharm - Hard | ||||
| 04.12.24 1st round | vs. Daniil Ostapenkov | 5-7, 0-6 | | match details |
| 03.12.24 qual. | vs. Dimitris Sakellaridis | 3-6, 7-5, 10-5 | | match details |
| 02.12.24 q 2 | vs. Jonas Keck | 6-3, 6-1 | | match details |
| 01.12.24 q 1 | vs. Peter Sallay | 6-1, 3-6, 10-8 | | match details |
| M15 Yanagawa - Hard | ||||
| 02.11.24 1/2 | vs. Yuta Kikuchi | 7-5, 3-6, 6-76 | | match details |
| 01.11.24 1/4 | vs. Kosuke Shibano | 6-4, 6-1 | | match details |
| 31.10.24 2nd round | vs. Ryusuke Horiuchi | 6-2, 6-4 | | match details |
| 30.10.24 1st round | vs. Kazuma Kimura | 6-1, 7-5 | | match details |
| M15 Tanagura - Hard | ||||
| 22.10.24 1st round | vs. Issei Okamura | 2-6, 4-6 | | match details |
| M15 Bali - Hard | ||||
| 18.09.24 2nd round | vs. Bogdan Bobrov | 6-3, 3-6, 4-6 | | match details |
| 17.09.24 1st round | vs. Mathieu Scaglia | 3-6, 6-3, 6-4 | | match details |
| 16.09.24 qual. | vs. Ye Hongyu | 6-2, 6-4 | | match details |
| 15.09.24 q 1 | vs. Justin Kuo | 6-0, 6-0 | | match details |
Seul-Ki Um - last matches
| Korea F8 - Clay | ||||
| 05.09.16 q 1 | vs. Hogi Kang | 4-6, 3-6 | | match details |
| Korea F7 - Clay | ||||
| 29.08.16 q 1 | vs. Daiki Kato | 1-6, 3-6 | | match details |
| Korea F4 - Hard | ||||
| 04.07.16 q 1 | vs. Brandon Walkin | 0-6, 0-6 | | match details |
| Korea F2 - Hard | ||||
| 20.06.16 q 1 | vs. Chan-Yeong Oh | 3-6, 2-6 | | match details |
| Korea F6 - Clay | ||||
| 31.08.15 qual. | vs. Masato Shiga | 3-6, 1-2, - Seul-Ki Um - retired | | match details |
| 31.08.15 q 2 | vs. Woong-Sun Jun | 6-2, 7-64 | | match details |
| 31.08.15 q 1 | vs. Dohun Lim | 7-65, 6-0 | | match details |
| Korea F5 - Hard | ||||
| 24.08.15 q 1 | vs. Junyoung Jeon | 6-1, 6-4 | | match details |
| 24.08.15 q 2 | vs. Dong-Kyu Lee | 1-6, 7-5, 2-6 | | match details |
| Korea F1 - Hard | ||||
| 18.05.15 q 1 | vs. Dae-Soung Oh | 1-6, 1-6 | | match details |
| Korea F12 - Clay | ||||
| 25.08.14 q 1 | vs. Dong-Hak Sin | 6-3, 6-4 | | match details |
| 25.08.14 qual. | vs. Ju-Hae Moon | 4-6, 0-6 | | match details |
| 25.08.14 q 2 | vs. Sung Jun Park | 6-4, 6-2 | | match details |
| Korea F11 - Clay | ||||
| 18.08.14 q 1 | vs. Jun Sang Park | 6-1, 6-0 | | match details |
| 18.08.14 q 2 | vs. Dong-Kyu Lee | 3-6, 3-6 | | match details |
| Korea F10 - Hard | ||||
| 11.08.14 q 1 | vs. Jae-Won Choi | 1-6, 2-6 | | match details |
| Korea F8 - Hard | ||||
| 30.06.14 q 2 | vs. Kwi-Tai Kim | 2-6, 1-6 | | match details |
| 30.06.14 q 1 | vs. Min-Seok Song | 6-4, 6-4 | | match details |
| Korea F8 - Hard | ||||
| 24.06.13 q 2 | vs. Choi Jae-Woo | 7-5, 7-5 | | match details |
| 24.06.13 qual. | vs. Young-Hoon Jeong | 5-7, 1-6 | | match details |
| Korea F7 - Hard | ||||
| 17.06.13 q 1 | vs. Ji Ha Kim | 6-2, 6-0 | | match details |
| 17.06.13 q 2 | vs. Geong Hwan Hyun | 6-0, 6-0 | | match details |
| 17.06.13 1st round | vs. Woo-Ram Kim | 6-2, 2-6, 1-6 | | match details |
| 17.06.13 qual. | vs. Dukyoung Kim | 6-1, 6-1 | | match details |
| Korea F6 - Hard | ||||
| 10.06.13 q 1 | vs. Hyun-Ho Lee | 1-6, 6-4, 4-6 | | match details |
| Korea F5 - Hard | ||||
| 03.06.13 1st round | vs. Blake Mott | 2-6, 0-3, - Seul-Ki Um - retired | | match details |
| 03.06.13 q 1 | vs. Seungri Choi | 6-1, 6-1 | | match details |
| 03.06.13 q 2 | vs. Sung-Hyuk Yu | 6-0, 6-0 | | match details |
| 03.06.13 qual. | vs. Kwi-Tai Kim | 7-63, 4-6, 6-0 | | match details |
| Korea F4 - Hard | ||||
| 27.05.13 q 1 | vs. Hong Chung | 2-6, 3-6 | | match details |