Siyun Kim
2026
| J60 HARMON | [4] | Semi |
| J60 SUNCHANG | Semi | |
| J30 YEONGWOL | [5] | Win |
| J30 ANSEONG | Win | |
| J30 INCHEON | Final | |
| J30 KURUME | Quarter |
2025
| J100 SEOUL | 2R | |
| J100 ANDONG | 1R | |
| J300 WANJU | 1R | |
| J200 CHUNCHEON | 1R | |
| J30 YEONGWOL | 2R | |
| J30 GIMCHEON | 2R | |
| J30 ANDONG | Quarter | |
| J30 JEJU | Quarter |
2024
Nation
KOR
Generation
Born in 2011 (14-15 years old)
World Ranking
Junior World Ranking 583th
Year-end Junior World Ranking
- Year-end 2025 1902th
Rival
daniel yang (2-1)
aashravya mehra (0-3)
jun hyuck lee (2-0)
geon hyeok jeon (2-0)
sangwon yoon (2-0)
Match Details
J60 HARMON
| W | 1R | Daia Kurabayashi | 6-1 6-0 |
| L | SF | Sota Kagawa | 3-6 3-6 |
J60 SUNCHANG
| W | 1R | Sangwon Yoon | 6-1 6-3 |
| W | 2R | Geon Hyeok Jeon | 6-3 6-3 |
| W | QF | Harang Seol | 6-1 6-2 |
| L | SF | Daniel Yang | - - - |
J30 YEONGWOL
| W | 1R | Eunho Park | 6-2 6-0 |
| W | 2R | Kaisei Ukawa | 6-1 6-2 |
| W | QF | Hayato Sata | 6-2 6-1 |
| W | SF | Jun Hyuck Lee | 6-4 6-2 |
| W | F | Shin Jaejun | 6-4 6-3 |
J30 ANSEONG
| W | 1R | Sangwon Yoon | 6-1 6-2 |
| W | 2R | Daniel Yang | 6-1 6-1 |
| W | QF | Geonho Kim | 5-0 |
| W | SF | Dongyun Oh | 6-1 4-1 |
| W | F | Young Hoon Kim | 6-2 6-0 |
J30 INCHEON
| W | 1R | Geon Hyeok Jeon | 6-2 6-2 |
| W | 2R | Myeongdo Jang | 6-1 6-0 |
| W | QF | Jun Hyuck Lee | 6-2 6-1 |
| W | SF | Daniel Yang | 6-3 6-3 |
| L | F | Juchan Hwang | 3-6 3-6 |
J30 KURUME
| W | 1R | Keiji Yamaguchi | 6-2 6-2 |
| W | 2R | Liam Suga | 6-3 6-1 |
| L | QF | Takaya Ishii | 6-2 3-6 2-6 |
J100 SEOUL
| W | 1R | Eita Suzuki | 6-1 6-2 |
| L | 2R | Aashravya Mehra | 4-6 1-6 |
J100 ANDONG
| L | 1R | Aashravya Mehra | 0-6 1-6 |
J300 WANJU
| L | 1R | Aashravya Mehra | 5-7 0-6 |
J200 CHUNCHEON
| L | 1R | Avner Wong | 4-6 2-6 |
J30 YEONGWOL
| W | 1R | Seong Jun Joo | 6-4 6-0 |
| L | 2R | Min Hyuk Cho | 1-6 3-6 |
J30 GIMCHEON
| W | 1R | Gun Song | 6-1 6-0 |
| L | 2R | Junseo Jang | 1-6 6-4 4-6 |
J30 ANDONG
| W | 1R | Jeong Won Kwon | 6-0 6-3 |
| W | 2R | Jeong Woo Kim | - - - |
| L | QF | Lin Hao-Yu | 2-5 |
J30 JEJU
| W | 1R | Eunsung Kim | 6-1 6-1 |
| W | 2R | Jae Min Lee | 7-5 6-4 |
| L | QF | Daia Kurabayashi | 3-6 2-6 |
Junior Tennis Database is a site that summarizes the results of ITF junior tennis tournaments.
Number of registered tournaments: 14689, Number of registered players: 7,641, Number of registered results: 456,119