Seonung Cho
2021
| J5 GIMCHEON | [1] | 1R |
| J5 SUNCHANG | [1] | 2R |
2020
| J5 YANGGU-2 | [1] | Win |
| J5 ANDONG | [2] | Semi |
| J5 SUNCHANG-3 | [1] | Win |
2019
| JB1 SEOGWIPO | 2R | |
| J5 YEONGWOL | [3] | Semi |
| J5 YANGGU | [4] | Semi |
| J4 CHANGHUA | 1R | |
| J5 GIMCHEON | [6] | 3R |
| J5 SUNCHANG | 2R | |
| J4 JEJU | Final | |
| J3 SHENZHEN | 1R | |
| J4 SHENZHEN-3 | 2R |
Nation
KOR
Year-end Junior World Ranking
- Year-end 2021 2398th
- Year-end 2020 352th
- Year-end 2019 557th
Rival
jeong yu kim (4-0)
duhyun eum (1-1)
gunuk kang (2-0)
hoyoung roh (2-0)
sooyoung yang (2-0)
Match Details
J5 YANGGU-2
| W | 1R | Jun Yeol Bae | 6-0 6-4 |
| W | 2R | Jangjun Kim | 6-1 6-3 |
| W | QF | Chan Hee Han | 6-1 6-1 |
| W | SF | Hoyoung Roh | 6-0 6-1 |
| W | F | Hyeoung Jin Kim | 6-1 6-3 |
J5 ANDONG
| W | 1R | Jeong Yu Kim | 6-1 6-2 |
| W | 2R | Jun Yeol Bae | 6-2 6-3 |
| W | QF | Gunuk Kang | 6-4 1-6 6-3 |
| L | SF | Woohyuk Sim | 3-6 6-2 3-6 |
J5 SUNCHANG-3
| W | 1R | Duhyun Eum | 6-3 6-0 |
| W | 2R | Hoyoung Roh | 7-6 6-0 |
| W | QF | Jeong Yu Kim | 6-3 6-2 |
| W | SF | Gunuk Kang | 6-3 4-6 6-1 |
| W | F | Sooyoung Yang | 6-2 6-3 |
JB1 SEOGWIPO
| W | 1R | Hikaru Takeda | 3-6 6-4 6-3 |
| L | 2R | Hanwen Li | 2-6 1-6 |
J5 YEONGWOL
| W | 1R | Minseong Kang | 6-2 6-4 |
| W | 2R | Dong Hwan Kim | 6-3 6-3 |
| W | 3R | Junhyuk Chang | 6-3 7-6 |
| W | QF | Hyeondeok Yoon | 6-4 1-6 7-5 |
| L | SF | Dong Ju Kim | 1-6 1-6 |
J5 YANGGU
| W | 1R | Jeong Yu Kim | 6-3 6-2 |
| W | 2R | Woohyuk Chang | 6-0 6-2 |
| W | 3R | Sooyoung Yang | 6-3 5-7 6-4 |
| W | QF | Hwijin Jung | 7-5 6-2 |
| L | SF | Wanseok Kang | 6-2 4-6 4-6 |
J4 CHANGHUA
| L | 1R | Cheng Tang | 3-5 1-4 |
J5 GIMCHEON
| W | 1R | Jubin Kim | 6-3 6-1 |
| W | 2R | Minhyeok Kim | 6-2 3-6 7-5 |
| L | 3R | Hyeoung Jin Kim | 7-5 2-6 1-6 |
J5 SUNCHANG
| W | 1R | Hyesu Kim | 6-0 6-3 |
| L | 2R | Jungwon Park | 2-6 5-7 |
J4 JEJU
| W | 1R | Je Won Jeon | 6-4 6-2 |
| W | 2R | Yunseok Jang | 7-6 7-5 |
| W | 3R | Chen Liang | 6-2 6-0 |
| W | QF | Junhyuk Chang | 6-1 6-4 |
| W | SF | Wanseok Kang | 6-1 6-3 |
| L | F | Dong Ju Kim | 3-6 6-3 0-6 |
J3 SHENZHEN
| L | 1R | Yu Zhang | 6-7 6-3 6-7 |
J4 SHENZHEN-3
| W | 1R | Qing Lihao | 6-4 6-1 |
| L | 2R | Madhwin Kamath | 6-7 1-6 |
Junior Tennis Database is a site that summarizes the results of ITF junior tennis tournaments.
Number of registered tournaments: 14423, Number of registered players: 7,523, Number of registered results: 447,850