Hyu Kawanishi
2026
| J300 NONTHABURI | [3] | 2R |
| J200 NONTHABURI | [3] | Final |
| AUSTRALIAN OPEN JUNIOR | 2R | |
| J300 TRARALGON | 2R |
2025
2024
| J300 WANJU | [13] | 3R |
| J100 KAWAGUCHI | [1] | Final |
| J500 OSAKA | 2R | |
| J60 EINDHOVEN | [1] | Win |
| J60 HILLEGOM | [1] | Semi |
| J60 NONTHABURI-2 | [4] | Win |
| J60 NONTHABURI | [2] | Final |
| J60 DEHRADUN | [2] | Final |
| J60 GURUGRAM | [2] | Quarter |
2023
| J30 CHIGASAKI | [1] | 2R |
| J60 YAMANASHI | [2] | Win |
| J200 NAGOYA | 2R | |
| J500 OSAKA | 2R | |
| J100 KAWAGUCHI | 2R | |
| J60 EINDHOVEN | 3R | |
| J60 HILLEGOM | 1R | |
| J60 NONTHABURI | Semi | |
| J60 NONTHABURI-2 | Semi | |
| J60 DEDEDO | 1R | |
| J60 SUNCHANG | 1R | |
| J30 KURUME | 2R |
2022
| YOshis CUP | 8th | |
| J5 YAMANASHI | 2R | |
| J2 NAGOYA | 2R |
Nation
JPN
Generation
Born in 2008 (17-18 years old)
World Ranking
Junior World Ranking　29th
Year-end Junior World Ranking
- Year-end 2025 84th
- Year-end 2024 199th
- Year-end 2023 436th
- Year-end 2022 1750th
Match Details
J300 NONTHABURI
| L | 2R | Cody Atkinson | 3-6 7-6 1-6 |
J200 NONTHABURI
| W | 2R | Tzu-Yuan Tseng | 6-3 6-2 |
| W | 3R | Kaan Isik Kosaner | 6-3 7-6 |
| W | QF | Arnav Paparkar | 3-6 6-3 7-5 |
| W | SF | Aaron Gabet | 6-2 1-6 7-6 |
| L | F | Dan Brand | 1-6 2-6 |
AUSTRALIAN OPEN JUNIOR
| W | 1R | Mustafa Ege Sik | 6-4 7-5 |
| L | 2R | Savva Rybkin | 6-3 5-7 2-6 |
J300 TRARALGON
| W | 1R | Kai Thompson | 6-2 6-3 |
| L | 2R | Connor Doig | 6-7 4-6 |
J500 MERIDA
| L | 1R | Vihaan Reddy | 2-6 4-6 |
J300 ZAPOPAN
| L | 2R | Jakub Kusy | 2-6 5-7 |
J300 WANJU
| L | 1R | Seung-Min Oh | 5-7 4-6 |
J500 OSAKA
| W | 1R | Jacob Kailiang Shen | 6-3 6-3 |
| W | 2R | Mustafa Ege Sik | 0-6 6-3 6-2 |
| L | 3R | Egor Pleshivtsev | 6-7 2-6 |
J200 MIKI
| W | 1R | Tae Woo Kim | 6-2 6-0 |
| W | 2R | Lieven Mietusch | 6-4 6-2 |
| W | QF | Savva Rybkin | 6-1 6-2 |
| W | SF | Rihards Neimanis | 6-1 6-1 |
| W | F | Shion Itsusaki | 6-1 6-2 |
J100 ALMATY-2
| W | 2R | Akhmadjon Toshmukhamedov | 6-0 6-2 |
| W | 3R | Mingwei Qiu | 6-3 6-2 |
| W | QF | Ramazan Kaan Oktay | 2-6 6-4 6-4 |
| W | SF | Ivan Iutkin | 7-5 6-3 |
| W | F | Arseniy Trebukhin | 6-3 6-2 |
J100 ALMATY
| W | 2R | Matija Putic | 6-2 6-1 |
| W | 3R | Alexey Frolov | 6-4 6-4 |
| W | QF | Ramazan Kaan Oktay | 7-6 6-4 |
| W | SF | Gabriel Niedermayr | 4-6 7-5 6-4 |
| W | F | Tavish Pahwa | 6-1 6-4 |
ROLAND GARROS JUNIOR
| L | 1R | Noah Johnston | 0-6 4-6 |
J300 CHARLEROI-MARCINELLE
| L | 1R | Ryan Cozad | 4-6 6-3 0-6 |
J300 NONTHABURI-2
| W | 1R | Ymerali Ibraimi | 7-6 3-1 |
| L | 2R | Kriish Tyagi | 6-7 6-4 6-7 |
J300 KUCHING
| W | 1R | Mustafa Ege Sik | 6-3 7-5 |
| L | 2R | Cruz Hewitt | 3-6 3-6 |
J200 KUALALUMPUR
| W | 1R | Cooper Kose | 6-2 6-2 |
| L | 2R | Kriish Tyagi | 2-6 2-6 |
J300 NONTHABURI
| W | 1R | Min Ho Ko | 6-2 7-6 |
| L | 2R | Kriish Tyagi | 1-6 3-6 |
J200 NONTHABURI
| W | 1R | Samarth Sahita | 6-2 6-2 |
| W | 2R | Duje Markovina | 3-6 6-3 6-3 |
| L | 3R | Ye Chen | 1-6 6-3 6-7 |
AUSTRALIAN OPEN JUNIOR
| L | 1R | Duje Markovina | 6-4 1-6 4-6 |
J300 TRARALGON
| W | 1R | Evan Vasiliadis | 6-4 6-1 |
| L | 2R | Oskari Paldanius | 1-6 4-6 |
J300 WANJU
| W | 1R | Siyun Kim | 6-1 6-0 |
| W | 2R | Lin Hao-Yu | 6-2 6-3 |
| L | 3R | Jangjun Kim | 4-6 6-4 3-6 |
J100 KAWAGUCHI
| W | 1R | Kou Fujikawa | 6-1 6-0 |
| W | 2R | Yuki Okahashi | 6-2 6-3 |
| W | QF | Maximus Zavier Wong | 6-3 6-0 |
| W | SF | Koshiro Nakamae | 6-0 6-3 |
| L | F | Shion Itsusaki | 1-6 2-6 |
J500 OSAKA
| W | 1R | Juan Kim | 7-6 6-2 |
| L | 2R | Jan Kumstat | 3-6 4-6 |
J60 EINDHOVEN
| W | 2R | Antonin Witz | 6-2 6-3 |
| W | 3R | Timeo Bretin | 7-5 6-3 |
| W | QF | Jordan Lee | 6-3 6-4 |
| W | SF | Koyu Yanagi | 3-6 6-4 6-4 |
| W | F | Aubin Rouillon | 6-2 6-4 |
J60 HILLEGOM
| W | 2R | Sammy Guinau | 4-6 6-1 7-6 |
| W | 3R | Antonio Marigliano | 6-2 6-3 |
| W | QF | Jordan Lee | 7-6 7-6 |
| L | SF | Michael Antonius | 6-7 2-6 |
J60 NONTHABURI-2
| W | 2R | Aashravya Mehra | 6-4 6-0 |
| W | 3R | Pavornpruch Nganbunsri | 6-2 6-2 |
| W | QF | Chen Hui Ho | 6-2 6-3 |
| W | SF | Yuki Okahashi | 6-1 6-3 |
| W | F | Hitesh Chauhan | 7-5 6-3 |
J60 NONTHABURI
| W | 2R | Shen Zelin | 6-1 6-1 |
| W | 3R | Tzu-Yuan Tseng | 6-4 6-1 |
| W | QF | Kamonpanyakorn Thadpong | 6-2 6-3 |
| W | SF | Avner Wong | 6-3 5-7 4-0 |
| L | F | Koshiro Nakamae | 7-6 6-7 1-6 |
J60 DEHRADUN
| W | 1R | Tejas Ahuja | 6-3 6-0 |
| W | 2R | Aashravya Mehra | 6-2 0-6 6-4 |
| W | QF | Sriniketh Kannan | 7-5 6-3 |
| W | SF | Samarth Sahita | 6-4 7-6 |
| L | F | Oswaldo Alejandro Reyes Tirado | 3-6 3-6 |
J60 GURUGRAM
| W | 2R | Swastik Sharma | - - - |
| W | 3R | Vishal Prakash | 6-7 6-2 6-1 |
| L | QF | Aradhya Kshitij | 1-6 3-6 |
J30 CHIGASAKI
| W | 1R | Kotaro Shirota | 7-5 6-4 |
| L | 2R | Naoto Tomizawa | 3-6 6-1 1-6 |
J60 YAMANASHI
| W | 1R | Yuma Tobe | 6-3 6-3 |
| W | 2R | Zhengjie Wu | 6-2 6-2 |
| W | QF | Koyu Yanagi | 4-6 6-3 10-5 |
| W | SF | Eito Komada | 6-0 6-2 |
| W | F | Ren Matsumura | 6-3 6-0 |
J200 NAGOYA
| W | 1R | Riku Fujiwara | 6-4 6-3 |
| L | 2R | Max Schoenhaus | 4-6 1-6 |
J500 OSAKA
| W | 1R | Yuya Hirose | 7-5 6-3 |
| L | 2R | Adhithya Ganesan | 5-7 3-6 |
J100 KAWAGUCHI
| W | 1R | Aoi Oura | 5-7 6-0 6-2 |
| L | 2R | Rohan Belday | 3-6 1-6 |
J60 EINDHOVEN
| W | 1R | Laurence Teunissen | 6-2 6-2 |
| W | 2R | Amar Huseinovic | 6-3 6-0 |
| L | 3R | Pieter De Lange | 5-7 6-4 4-6 |
J60 HILLEGOM
| L | 1R | Niels Van Der Sijs | 6-7 3-6 |
J60 NONTHABURI
| W | 1R | Dai Khanh Nguyen | 6-3 6-1 |
| W | 2R | Sehaj Singh Pawar | 7-5 6-2 |
| W | 3R | Michael Dylan Jimenez | 6-3 6-0 |
| W | QF | Ke Hau Hung | 6-2 6-2 |
| L | SF | Kuan-Shou Chen | 1-6 6-1 2-6 |
J60 NONTHABURI-2
| W | 1R | Krittamaet Thammakun | 6-3 6-3 |
| W | 2R | Juan Kim | 6-1 6-4 |
| W | 3R | Chun-Chien Hou | 6-3 6-4 |
| W | QF | Dai Khanh Nguyen | 1-6 6-3 7-6 |
| L | SF | Minh Phat Nguyen | 2-6 4-6 |
J60 DEDEDO
| L | 1R | Cristian Care | 7-5 1-6 4-10 |
J60 SUNCHANG
| L | 1R | Hae Chang Lee | 6-4 6-7 5-7 |
J30 KURUME
| W | 1R | Ko Fujikawa | 6-4 6-3 |
| L | 2R | Ryuto Suzuki | 3-6 6-3 5-7 |
J5 YAMANASHI
| W | 1R | Kanari Izumisawa | 6-4 6-1 |
| L | 2R | Ryuto Suzuki | 6-1 0-6 3-6 |
J2 NAGOYA
| W | 1R | Naoki Watanabe | 6-4 4-6 6-4 |
| L | 2R | Natsuki Yamamoto | 3-6 3-6 |
Junior Tennis Database is a site that summarizes the results of ITF junior tennis tournaments.
Number of registered tournaments: 10505, Number of registered players: 6,666, Number of registered results: 385,227