Ui Su Jeong
2025
| J60Andong | [2] | Win |
| J30Incheon-2 | [1] | Final |
| J200Nonthaburi | 2R | |
| J100Dubai-2 | Quarter | |
| J100Dubai | Semi | |
| J100Fujairah | [5] | Quarter |
2024
| J30Gifu | [1] | Quarter |
| J300Wanju | 2R | |
| J100Seoul | [7] | Quarter |
| J100Andong | 2R | |
| J200Chuncheon | 1R | |
| J60Yanggu-Gun | [7] | 2R |
| J60Gimcheon | [8] | Quarter |
| J30Incheon | [6] | Semi |
| J60Andong | Final | |
| J30Andong | Quarter | |
| J30Yeongwol | Final |
2023
| J30Yeongwol | Quarter | |
| J300Wanju | 1R | |
| J100Andong | 2R |
Nation
KOR
Generation
Born in 2008 (16-17 years old)
World Ranking
Junior World Ranking 281th
Year-end Junior World Ranking
- Year-end 2024 402th
- Year-end 2023 2017th
- Year-end 2022 2341th
Match Details
2025 J60Andong
| W | 1R | Jiwon Hwang | 6-1 6-1 |
| W | 2R | Minju Kim | 6-3 6-0 |
| W | QF | Sa Rang Lim | 6-3 6-2 |
| W | SF | Yeseo Park | 5-7 6-4 6-4 |
| W | F | Yesung Choo | 6-2 6-1 |
2025 J30Incheon-2
| W | 1R | Gina Inyoung Cha | 6-0 6-0 |
| W | 2R | Seojin Lee | 6-4 6-1 |
| W | QF | Ahkyung Kim | 6-1 6-2 |
| W | SF | Kahyeon Han | 6-0 6-2 |
| L | F | Dayeon Lee | 3-6 6-3 3-6 |
2025 J200Nonthaburi
| W | 1R | Miyu Nishiwaki | 7-5 6-2 |
| L | 2R | Victoria Milovanova | 3-6 2-6 |
2025 J100Dubai-2
| W | 1R | Sophie Bekker | 7-5 6-4 |
| W | 2R | Laura Valentine Pop | 7-5 4-6 6-4 |
| L | QF | Vlada Guryleva | 1-6 5-7 |
2025 J100Dubai
| W | 1R | Margaret Sohns | 5-7 6-4 6-2 |
| W | 2R | Alena Kharchenko | 6-1 6-0 |
| W | QF | Alina Botasheva | 6-3 6-3 |
| L | SF | Anastasia Efremova | 5-7 4-6 |
2025 J100Fujairah
| W | 1R | Larissa Brasil | 6-3 6-0 |
| W | 2R | Minxu Zhou | 7-5 1-0 |
| L | QF | Vlada Guryleva | 3-6 6-3 4-6 |
2024 J30Gifu
| W | 1R | Fuari Otani | 6-3 6-0 |
| W | 2R | Imari Fukuda | 7-5 6-2 |
| L | QF | Rito Arima | 1-6 2-6 |
2024 J300Wanju
| W | 1R | Yuzuha Negishi | 6-1 6-4 |
| L | 2R | Yushan Shao | 4-6 4-6 |
2024 J100Seoul
| W | 1R | Jeong In Choi | 6-4 6-0 |
| W | 2R | Ao Tamanaha | 6-3 6-0 |
| L | QF | Yeseo Park | 2-6 1-6 |
2024 J100Andong
| W | 1R | Jiwon Hwang | 6-0 7-5 |
| L | 2R | Hyunyee Lee | 3-6 2-6 |
2024 J200Chuncheon
| L | 1R | Kimiko Cooper | 3-6 1-6 |
2024 J60Yanggu-Gun
| W | 1R | Minji Choi | 6-1 6-1 |
| L | 2R | Yeri Hong | 6-1 1-6 1-6 |
2024 J60Gimcheon
| W | 1R | Yeseo Park | 6-3 6-2 |
| W | 2R | Rito Arima | 3-6 6-3 6-1 |
| L | QF | Seo Yun Choi | 6-4 4-6 2-6 |
2024 J30Incheon
| W | 1R | Paramee Tadkaew | 6-1 6-1 |
| W | 2R | Minji Choi | 6-4 6-4 |
| W | QF | Seojin Lee | 6-2 6-3 |
| L | SF | Si Ah Kim | 3-4 |
2024 J60Andong
| W | 1R | Yeseo Park | 6-4 6-3 |
| W | 2R | Yuhan Chen | 4-6 6-1 6-1 |
| W | QF | Eunsoo Lee | 6-2 7-6 |
| W | SF | Jeong In Choi | 7-6 6-3 |
| L | F | Suha Lee | 0-6 4-6 |
2024 J30Andong
| W | 1R | Min Kyeong Kim | 6-3 6-2 |
| W | 2R | Seohyeon Lee | 6-3 6-0 |
| L | QF | Yeseo Park | 4-6 3-6 |
2024 J30Yeongwol
| W | 1R | Gyuree Nam | 6-1 6-0 |
| W | 2R | Hyejeong Ahn | 6-2 6-4 |
| W | QF | Kahyeon Han | 6-2 6-4 |
| W | SF | Min Young Choi | 3-6 6-3 6-1 |
| L | F | Dayeon Lee | 3-6 6-4 5-7 |
2023 J30Yeongwol
| W | 1R | Su Been Lee | 6-1 6-0 |
| W | 2R | Yebin Kang | 6-1 6-3 |
| L | QF | Maralgoo Chogsomjav | 2-6 1-6 |
2023 J300Wanju
| L | 1R | Aiya Nupbay | 3-6 2-6 |
2023 J100Andong
| W | 1R | Yu-Ning Tsai | 6-3 7-5 |
| L | 2R | Kanon Sawashiro | 4-6 6-3 3-6 |
Junior Tennis Database is a site that summarizes the results of ITF junior tennis tournaments.
Number of registered tournaments: 5778, Number of registered players: 4,878, Number of registered results: 222,189