Ji Woo Choi
2022
| J4 JEJU | [7] | 1R |
2021
| J4 OSAN | 2R | |
| J5 ANDONG-2 | Semi | |
| J5 YANGGU | [3] | 1R |
| J5 SUNCHANG | [3] | Quarter |
2020
| J5 YANGGU-2 | [2] | 2R |
| J5 ANDONG | [2] | Semi |
2019
| JB1 SEOGWIPO | 2R | |
| J5 ISLAMABAD-3 | [4] | Semi |
| J5 ISLAMABAD-2 | [4] | Semi |
| J5 SELANGOR | [11] | Quarter |
| J3 SARAWAK | Quarter | |
| J5 YANGGU | [7] | 3R |
| J5 PALEMBANG | Win | |
| J5 NONTHABURI-2 | 2R | |
| J5 GIMCHEON | [12] | 1R |
| J4 JEJU | 1R |
Nation
KOR
Year-end Junior World Ranking
- Year-end 2022 2278th
- Year-end 2021 1353th
- Year-end 2020 596th
- Year-end 2019 563th
Rival
soo ha jang (1-1)
gaeul jang (0-2)
na hyun kang (0-2)
clemence thouard (2-0)
pawinee ruamrak (1-1)
Match Details
J4 JEJU
| L | 1R | Hyunyee Lee | 3-6 4-6 |
J4 OSAN
| W | 1R | Kahyeon Han | 6-1 6-2 |
| L | 2R | Na Hyun Kang | 4-6 1-6 |
J5 ANDONG-2
| W | 1R | Jin-Sol Yang | 6-0 6-1 |
| W | 2R | Sun Min Ha | 6-4 6-1 |
| W | QF | Soo Ha Jang | 7-5 6-3 |
| L | SF | Gaeul Jang | 1-6 6-4 3-6 |
J5 YANGGU
| L | 1R | Juae Shin | 5-7 4-6 |
J5 SUNCHANG
| W | 1R | Gyeong Seo Lee | 2-6 7-6 6-4 |
| W | 2R | Eunhoo Kim | 6-3 6-1 |
| L | QF | Soo Ha Jang | 6-7 2-6 |
J5 YANGGU-2
| W | 1R | Eun Bi Lee | 6-3 6-4 |
| L | 2R | Gaeul Jang | 0-6 0-6 |
J5 ANDONG
| W | 1R | Seo Yeon Park | 3-6 6-1 6-4 |
| W | 2R | Hyerim Jung | 4-6 6-0 6-4 |
| W | QF | Onyu Choi | 6-3 6-4 |
| L | SF | Heerae Im | 2-6 2-6 |
JB1 SEOGWIPO
| W | 1R | Yuxuan Li | 6-2 7-5 |
| L | 2R | Kuan Yi Lee | 6-7 1-6 |
J5 ISLAMABAD-3
| W | 1R | Hannah Kaile Shen | 6-1 7-6 |
| W | 2R | Clemence Thouard | 6-1 6-2 |
| L | SF | Aysegul Mert | 4-6 1-6 |
J5 ISLAMABAD-2
| W | 2R | Shimza Durab | 6-1 6-0 |
| W | QF | Clemence Thouard | 6-2 6-1 |
| L | SF | Arina Valitova | 4-6 1-6 |
J5 SELANGOR
| W | 2R | Rena Tanaka | 6-1 6-3 |
| W | 3R | Anja Nayar | 6-3 6-0 |
| L | QF | Yelizaveta Karlova | 3-6 5-7 |
J3 SARAWAK
| W | 2R | Pawinee Ruamrak | 3-6 7-6 6-2 |
| W | 3R | Elysia Wan | 6-2 5-7 6-4 |
| L | QF | Yifan Sun | 1-6 0-6 |
J5 YANGGU
| W | 1R | Hyeon Ji An | 6-0 6-2 |
| W | 2R | Ji Hyeon Seo | 6-0 6-1 |
| L | 3R | Seojin Oh | 3-6 5-7 |
J5 PALEMBANG
| W | 2R | Felicia Halim | 6-2 6-2 |
| W | 3R | Honoka Umeda | 6-4 6-1 |
| W | QF | Niken Ferlyana Kusumaningtyas | 6-3 4-6 6-4 |
| W | SF | Chen Chen Liao | 7-6 7-6 |
| W | F | Jessica Christa Wirahadipoernomo | 7-6 6-2 |
J5 NONTHABURI-2
| W | 1R | Yanisa Splendore | 6-1 6-1 |
| L | 2R | Pawinee Ruamrak | 4-6 4-6 |
J5 GIMCHEON
| L | 1R | Na Hyun Kang | 2-6 0-6 |
J4 JEJU
| L | 1R | Minseo Kim | 4-6 4-6 |
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