Junseo Jang
2025
| J60Nonthaburi-2 | [9] | Final |
| J60Nonthaburi | [10] | 2R |
| J30Yeongwol | [5] | Quarter |
| J30Gimcheon | [2] | Quarter |
| J60Harmon-2 | [6] | Semi |
| J60Harmon | [6] | Final |
| J60Bayamon | [7] | 2R |
| J100Lasvegas | 1R | |
| J60Sanjose-2 | 1R | |
| J60Sanjose | 1R |
2024
| J300Wanju | 1R | |
| J100Seoul | 1R | |
| J100Andong | Quarter | |
| J30Macau | Semi | |
| J30Jiaxing | 3R | |
| J30Jingshan | 3R | |
| J30Incheon | 1R |
Nation
KOR
Generation
Born in 2011 (13-14 years old)
World Ranking
Junior World Ranking 502th
Year-end Junior World Ranking
- Year-end 2024 1503th
Match Details
2025 J60Nonthaburi-2
| W | 2R | Kamonpanyakorn Thadpong | 6-3 6-1 |
| W | 3R | Malek El-Qurneh | 6-3 6-0 |
| W | QF | Kanta Watanabe | 6-3 6-4 |
| W | SF | Penn Charusorn | 7-6 6-2 |
| L | F | Kunanan Pantaratorn | 4-6 4-6 |
2025 J60Nonthaburi
| L | 2R | Shotaro Yamamoto | 6-3 2-6 2-6 |
2025 J30Yeongwol
| W | 1R | Seungjun Yu | 6-1 6-0 |
| W | 2R | Rafael Gama | 6-0 3-6 7-6 |
| L | QF | Min Hyuk Cho | 4-6 6-4 3-6 |
2025 J30Gimcheon
| W | 1R | Lyul Kim | 7-6 6-3 |
| W | 2R | Siyun Kim | 6-1 4-6 6-4 |
| L | QF | Sungmin Lee | 3-6 1-6 |
2025 J60Harmon-2
| W | 1R | Luke Morgan | 6-3 6-0 |
| W | 2R | Sanghyuk Han | 6-3 6-1 |
| W | QF | Taisei Hata | 6-3 6-2 |
| L | SF | Tae Woo Kim | 4-6 1-6 |
2025 J60Harmon
| W | 1R | Ziqi Li | 6-0 6-1 |
| W | 2R | Joonhyuk Han | 6-0 6-0 |
| W | QF | Daia Kurabayashi | 6-2 6-4 |
| W | SF | Gyeom Do | 6-3 6-4 |
| L | F | Tae Woo Kim | 6-7 4-6 |
2025 J60Bayamon
| L | 2R | Oscar Puyplat | 5-7 1-6 |
2025 J100Lasvegas
| L | 1R | Andre Alcantara | 3-6 4-6 |
2025 J60Sanjose-2
| L | 1R | Ignacio De Armas | 6-4 3-6 3-6 |
2025 J60Sanjose
| L | 1R | Jerry Han | 3-6 0-6 |
2024 J300Wanju
| L | 1R | Wenbo Bai | 3-6 3-6 |
2024 J100Seoul
| L | 1R | Gaku Nayuki | 6-2 6-7 2-6 |
2024 J100Andong
| W | 1R | Wenbo Bai | 6-7 6-4 6-4 |
| W | 2R | Jaejun Kim | 6-2 6-3 |
| L | QF | Jae Min Lee | 4-6 2-6 |
2024 J30Macau
| W | 1R | Boda Zheng | 6-1 6-0 |
| W | 2R | Zhan Hang Ye | 3-6 6-1 6-0 |
| W | QF | Jenson Yokota-Ho | 6-2 6-1 |
| L | SF | Yuan Cheng Yang | 1-6 6-4 2-6 |
2024 J30Jiaxing
| W | 1R | Hanbo Xu | 6-3 6-4 |
| W | 2R | Tianlin Xie | 6-4 2-1 |
| L | 3R | Ziyan Zhang | 4-6 6-7 |
2024 J30Jingshan
| W | 1R | Muyou Zou | 7-6 |
| W | 2R | Yong Ze Huang | 6-0 6-2 |
| L | 3R | Dongze Lv | 1-6 4-6 |
2024 J30Incheon
| L | 1R | Min Hyuk Cho | 5-7 1-6 |
Junior Tennis Database is a site that summarizes the results of ITF junior tennis tournaments.
Number of registered tournaments: 9232, Number of registered players: 5,739, Number of registered results: 303,630