Jangjun Kim
2024
| J300Wanju | [3] | Quarter |
| J300Beijing | [2] | Quarter |
| Us Open Junior | [11] | 3R |
| J300Repentigny | [5] | 2R |
| Wimbledon Junior | [9] | 2R |
| J300Roehampton | [6] | 2R |
| Roland Garros Junior | [9] | 1R |
| J500Milan | [8] | Final |
| J300Santacrocesullarno | [4] | 1R |
| J300Nonthaburi-2 | [2] | Final |
| J200Kualalumpur | [1] | Final |
| J300Kuching | [2] | Semi |
| J300Nonthaburi | [2] | Final |
| J200Nonthaburi | [2] | Quarter |
| Australian Open Junior | [14] | 3R |
| J300Traralgon | [9] | 3R |
2023
| J200Kualalumpur | [1] | Semi |
| J200Hongkong | [1] | Final |
| J300Wanju | [2] | 3R |
| J200Chuncheon | [1] | Semi |
| J100Andong | [1] | Win |
| Us Open Junior | 1R | |
| J300Repentigny | [15] | 2R |
| J300Collegepark | [14] | 2R |
| Wimbledon Junior | 1R | |
| Roland Garros Junior | 1R |
Nation
KOR
Generation
Born in 2006 (18-19 years old)
Year-end Junior World Ranking
- Year-end 2024 17th
- Year-end 2023 34th
- Year-end 2022 198th
- Year-end 2021 278th
- Year-end 2020 1892th
Rival
Ivan Iutkin (2-1)
Charlie Robertson (0-3)
Rethin Pranav Senthil Kumar (2-1)
Hayden Jones (0-2)
Ty Host (2-0)
Match Details
2024 J300Wanju
| W | 1R | Siu Chi Nicholas Cheng | 6-1 6-2 |
| W | 2R | Artem Sidorov | 6-2 6-1 |
| W | 3R | Hyu Kawanishi | 6-4 4-6 6-3 |
| L | QF | Rethin Pranav Senthil Kumar | 4-6 1-6 |
2024 J300Beijing
| W | 2R | Dzmitry Dziubailau | 6-2 6-0 |
| W | 3R | Jia Hu | 6-4 6-1 |
| L | QF | Ognjen Milic | 3-6 1-6 |
2024 Us Open Junior
| W | 1R | Ivan Iutkin | 6-1 6-4 |
| W | 2R | Alessandro Battiston | 7-6 6-2 |
| L | 3R | Charlie Robertson | 3-6 4-6 |
2024 J300Repentigny
| L | 2R | Lorenzo Angelini | 6-7 4-6 |
2024 Wimbledon Junior
| W | 1R | Jack Kennedy | 6-3 6-1 |
| L | 2R | Charlie Robertson | 6-4 6-7 3-6 |
2024 J300Roehampton
| W | 1R | Atakan Karahan | 7-6 6-1 |
| L | 2R | Mark Ceban | 1-6 6-4 4-6 |
2024 Roland Garros Junior
| L | 1R | Charlie Robertson | 7-6 3-6 4-6 |
2024 J500Milan
| W | 1R | Gabriele Crivellaro | 2-6 6-2 6-1 |
| W | 2R | Keegan Rice | 0-6 6-4 6-3 |
| W | 3R | Max Schoenhaus | 7-5 6-3 |
| W | QF | Flynn Thomas | 6-2 7-5 |
| W | SF | Nicolai Budkov Kjaer | 4-6 7-6 6-2 |
| L | F | Kaylan Bigun | 3-6 3-6 |
2024 J300Santacrocesullarno
| L | 1R | Daniil Sarksian | 6-4 5-7 3-6 |
2024 J300Nonthaburi-2
| W | 2R | Pham La Hoang Anh | 6-3 6-2 |
| W | 3R | Fumin Jiang | 7-5 6-0 |
| W | QF | Moobeen Kim | 6-1 6-7 6-4 |
| W | SF | Ty Host | 6-3 6-3 |
| L | F | Hayden Jones | 6-7 6-7 |
2024 J200Kualalumpur
| W | 2R | Abhinav Chunduru | 6-1 7-5 |
| W | 3R | Brendan Loh | 7-6 7-5 |
| W | QF | Jake Dembo | 6-2 6-1 |
| W | SF | Kriish Tyagi | 6-4 6-2 |
| L | F | Jagger Leach | 2-6 4-6 |
2024 J300Kuching
| W | 2R | Daniel Jovanovski | 6-4 6-1 |
| W | 3R | Harry Pugh | 6-2 6-1 |
| W | QF | Hugh Winter | 4-6 7-6 6-2 |
| L | SF | Ivan Iutkin | 2-6 6-7 |
2024 J300Nonthaburi
| W | 2R | Alan Wazny | 6-4 6-1 |
| W | 3R | Rethin Pranav Senthil Kumar | 6-3 6-4 |
| W | QF | Ryo Tabata | 4-6 6-3 6-4 |
| W | SF | Ivan Iutkin | 6-3 6-4 |
| L | F | Hayden Jones | 2-6 4-6 |
2024 J200Nonthaburi
| W | 2R | Chun-Chien Hou | 7-5 4-6 6-3 |
| W | 3R | Duje Markovina | 3-6 7-6 6-4 |
| L | QF | Thanaphat Boosarawongse | 3-6 3-6 |
2024 Australian Open Junior
| W | 1R | Ryo Tabata | 5-7 6-2 7-6 |
| W | 2R | Ty Host | 7-6 6-4 |
| L | 3R | Amir Omarkhanov | 3-6 7-5 0-6 |
2024 J300Traralgon
| W | 1R | Max Schoenhaus | 6-4 4-6 7-6 |
| W | 2R | Anas Mazdrashki | 6-1 6-4 |
| L | 3R | Danial Rakhmatullayev | 4-6 2-6 |
2023 J200Kualalumpur
| W | 2R | Michael Dylan Jimenez | 6-3 6-3 |
| W | 3R | Harry Pugh | 6-4 6-2 |
| W | QF | Cahir Warik | 7-5 6-1 |
| L | SF | Aryan Shah | 1-6 0-6 |
2023 J200Hongkong
| W | 1R | Stephane Pierre-Jo Kamendje | 6-4 6-4 |
| W | 2R | Boxiong Zhang | 6-3 6-4 |
| W | QF | Jerome Estephan | 6-2 6-1 |
| W | SF | Bill Chan | 6-7 6-3 6-1 |
| L | F | Adhithya Ganesan | 6-7 3-6 |
2023 J300Wanju
| W | 1R | Rintaro Shukuda | 6-1 6-2 |
| W | 2R | Juan Kim | 6-2 6-4 |
| L | 3R | Amir Omarkhanov | 7-6 6-7 3-6 |
2023 J200Chuncheon
| W | 1R | Jake Dembo | 6-0 6-3 |
| W | 2R | Hyeon Seok Seo | 6-4 6-1 |
| W | QF | Danial Rakhmatullayev | 6-2 6-4 |
| L | SF | Donghyun Hwang | 6-7 4-6 |
2023 J100Andong
| W | 1R | Diordan Macababbad | 6-2 6-1 |
| W | 2R | Rethin Pranav Senthil Kumar | 6-2 6-2 |
| W | QF | Kazuma Kimura | 6-2 7-5 |
| W | SF | Moobeen Kim | 6-1 6-4 |
| W | F | Yuta Tomida | 6-4 6-4 |
2023 Us Open Junior
| L | 1R | Rodrigo Pacheco Mendez | 2-6 4-6 |
2023 J300Repentigny
| L | 2R | Carlo Alberto Caniato | 6-7 6-7 |
2023 J300Collegepark
| L | 2R | Matthew Forbes | 4-6 4-6 |
2023 Wimbledon Junior
| L | 1R | Joao Fonseca | 5-7 2-6 |
2023 Roland Garros Junior
| L | 1R | Dino Prizmic | 1-6 2-6 |
Junior Tennis Database is a site that summarizes the results of ITF junior tennis tournaments.
Number of registered tournaments: 5774, Number of registered players: 3,011, Number of registered results: 222,093