Ui Su Jeong
2025
| J100 ANDONG | [3] | (continue) | 
| J300 WANJU | 2R | |
| J200 CHUNCHEON | Semi | |
| J60 HARMON-2 | [1] | Semi | 
| J60 HARMON | [1] | Final | 
| J60 SUNCHANG | [1] | Win | 
| J60 ANDONG | [2] | Win | 
| J30 INCHEON-2 | [1] | Final | 
| J200 NONTHABURI | 2R | |
| J100 DUBAI-2 | Quarter | |
| J100 DUBAI | Semi | |
| J100 FUJAIRAH | [5] | Quarter | 
2024
| J30 GIFU | [1] | Quarter | 
| J300 WANJU | 2R | |
| J100 SEOUL | [7] | Quarter | 
| J100 ANDONG | 2R | |
| J200 CHUNCHEON | 1R | |
| J60 YANGGU-GUN | [7] | 2R | 
| J60 GIMCHEON | [8] | Quarter | 
| J30 INCHEON | [6] | Semi | 
| J60 ANDONG | Final | |
| J30 ANDONG | Quarter | |
| J30 YEONGWOL | Final | 
2023
| J30 YEONGWOL | Quarter | |
| J300 WANJU | 1R | |
| J100 ANDONG | 2R | |
| J30 ANDONG | 2R | |
| J30 GIMCHEON | 2R | 
2022
| J5 YANGGU | 2R | |
| J5 YEONGWOL | Quarter | 
Nation
KOR
Generation
Born in 2008 (16-17 years old)
World Ranking
Junior World Ranking 208th
Year-end Junior World Ranking
- Year-end 2024 402th
- Year-end 2023 2017th
- Year-end 2022 2341th
Match Details
2025 J100 ANDONG
2025 J300 WANJU
| W | 1R | Anjali Kirana Junarto | 6-4 6-4 | 
| L | 2R | Kanon Sawashiro | 3-6 1-6 | 
2025 J200 CHUNCHEON
| W | 1R | Daria Koreshkova | 6-3 6-3 | 
| W | 2R | Ha Yoon Son | 6-3 6-1 | 
| W | QF | Yu-Chen Lin | 7-6 6-4 | 
| L | SF | Suha Lee | 1-6 3-6 | 
2025 J60 HARMON-2
| W | 2R | Emillina Alexandre | 6-2 6-0 | 
| W | QF | Rei Miyamoto | 6-3 6-3 | 
| L | SF | Kokona Ishii | 3-6 2-6 | 
2025 J60 HARMON
| W | 2R | Mirai Kameoka | 6-1 6-2 | 
| W | QF | Rei Miyamoto | 6-3 6-1 | 
| W | SF | Azuna Ichioka | 6-2 6-3 | 
| L | F | Riyo Yoshida | 6-7 5-7 | 
2025 J60 SUNCHANG
| W | 1R | Aoi Yoshida | 6-3 6-2 | 
| W | 2R | Yerin Lee | 6-4 6-3 | 
| W | QF | Sa Rang Lim | 6-1 6-1 | 
| W | SF | Seojin Lee | 6-1 6-0 | 
| W | F | Ahkyung Kim | 6-0 4-6 6-2 | 
2025 J60 ANDONG
| 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 J30 INCHEON-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 J200 NONTHABURI
| W | 1R | Miyu Nishiwaki | 7-5 6-2 | 
| L | 2R | Victoria Milovanova | 3-6 2-6 | 
2025 J100 DUBAI-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 J100 DUBAI
| 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 J100 FUJAIRAH
| 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 J30 GIFU
| 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 J300 WANJU
| W | 1R | Yuzuha Negishi | 6-1 6-4 | 
| L | 2R | Yushan Shao | 4-6 4-6 | 
2024 J100 SEOUL
| 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 J100 ANDONG
| W | 1R | Jiwon Hwang | 6-0 7-5 | 
| L | 2R | Hyunyee Lee | 3-6 2-6 | 
2024 J200 CHUNCHEON
| L | 1R | Kimiko Cooper | 3-6 1-6 | 
2024 J60 YANGGU-GUN
| W | 1R | Minji Choi | 6-1 6-1 | 
| L | 2R | Yeri Hong | 6-1 1-6 1-6 | 
2024 J60 GIMCHEON
| 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 J30 INCHEON
| 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 J60 ANDONG
| 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 J30 ANDONG
| 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 J30 YEONGWOL
| 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 J30 YEONGWOL
| 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 J300 WANJU
| L | 1R | Aiya Nupbay | 3-6 2-6 | 
2023 J100 ANDONG
| W | 1R | Yu-Ning Tsai | 6-3 7-5 | 
| L | 2R | Kanon Sawashiro | 4-6 6-3 3-6 | 
2023 J30 ANDONG
| W | 1R | Hyejeong Ahn | 6-2 6-2 | 
| L | 2R | Martaa Chogsomjav | 2-6 5-7 | 
2023 J30 GIMCHEON
| W | 1R | Eunsoo Lee | 7-5 7-5 | 
| L | 2R | Martaa Chogsomjav | 3-6 5-7 | 
2022 J5 YANGGU
| W | 1R | Ahkyung Kim | 4-6 6-4 6-2 | 
| L | 2R | Ha Eum Lee | 6-7 6-3 3-6 | 
2022 J5 YEONGWOL
| W | 1R | Seo Hyeon Park | 6-1 6-3 | 
| W | 2R | Minji Choi | 6-4 6-1 | 
| L | QF | Se-Yeon Yang | 0-6 3-6 | 
Junior Tennis Database is a site that summarizes the results of ITF junior tennis tournaments.
Number of registered tournaments: 9942, Number of registered players: 6,164, Number of registered results: 343,780