Shion Itsusaki
2025
| J500 OSAKA | [9] | 2R |
| J200 MIKI | [3] | Final |
| J300 NONTHABURI-2 | [7] | 2R |
| J300 KUCHING | [5] | 2R |
| J300 NONTHABURI | [9] | 3R |
| J200 NONTHABURI | [7] | Quarter |
| AUSTRALIAN OPEN JUNIOR | 1R | |
| J300 TRARALGON | 2R |
2024
| J200 HONGKONG | [8] | Win |
| J100 HONGKONG | [4] | Win |
| J30 OSAKA | [1] | Win |
| J300 WANJU | [16] | 3R |
| J100 KAWAGUCHI | [6] | Win |
| J500 OSAKA | 3R | |
| J200 CHUNCHEON | 1R | |
| J60 MIKICITY-2 | [5] | Win |
| J30 KURUME | [1] | Win |
2023
| J30 OSAKA | [1] | Semi |
| J200 NAGOYA | 2R | |
| J60 MIKICITY-2 | [3] | Semi |
| J60 MIKICITY | [3] | Semi |
| J60 SUNCHANG | Quarter | |
| J60 ANDONG | 1R | |
| J30 KURUME | [4] | Quarter |
2022
| J5 MATSUYAMA | [4] | Semi |
| J5 GIFU | [8] | Quarter |
| AI SUGIYAMA CUP | [5] | Quarter |
| J5 CHIGASAKI | [5] | Quarter |
| J2 NAGOYA | 3R | |
| JAOSAKA | 1R | |
| J3 KAWAGUCHI | 1R | |
| J4 MIKICITY-2 | [8] | 2R |
| J4 MIKICITY | [8] | 1R |
| J5 NONTHABURI-2 | [7] | 3R |
| J4 EINDHOVEN | 1R | |
| J4 HILLEGOM | 3R | |
| J4 THEHAGUE | 1R | |
| J4 NONTHABURI | 2R | |
| J4 SEREMBAN-2 | [16] | 3R |
| J4 SEREMBAN | [14] | 3R |
| J5 KURUME | [8] | Semi |
2021
| J4 NAGOYA | 1R | |
| J4 OSAKA | 2R | |
| J4 MIKI-CITY-2 | 2R | |
| J4 MIKI-CITY | Quarter |
Nation
JPN
Generation
Born in 2007 (18-19 years old)
Year-end Junior World Ranking
- Year-end 2025 179th
- Year-end 2024 96th
- Year-end 2023 630th
- Year-end 2022 748th
- Year-end 2021 1312th
Match Details
J500 OSAKA
| W | 1R | Cody Atkinson | 6-0 6-3 |
| L | 2R | Fanming Meng | 3-6 6-3 5-7 |
J200 MIKI
| W | 1R | Hyeonseok Seo | 6-7 7-5 6-1 |
| W | 2R | Oswaldo Alejandro Reyes Tirado | 6-4 6-2 |
| W | QF | Nikolas Baker | 7-6 6-4 |
| W | SF | Daniel Jovanovski | 6-0 3-6 6-1 |
| L | F | Hyu Kawanishi | 1-6 2-6 |
J300 NONTHABURI-2
| L | 2R | Samarth Sahita | 3-6 3-6 |
J300 KUCHING
| L | 2R | Ymerali Ibraimi | 4-6 6-4 0-6 |
J300 NONTHABURI
| W | 2R | Aaron Gabet | 1-6 6-1 6-2 |
| L | 3R | Kuan-Shou Chen | 2-6 4-6 |
J200 NONTHABURI
| W | 2R | Pavel Skvortcov | 3-6 6-3 6-3 |
| W | 3R | Jake Dembo | 6-4 6-4 |
| L | QF | Savva Rybkin | 2-6 3-6 |
AUSTRALIAN OPEN JUNIOR
| L | 1R | Gabriele Crivellaro | 1-6 6-7 |
J300 TRARALGON
| W | 1R | Ethan Domingo | 6-2 6-4 |
| L | 2R | Maxwell Exsted | 4-6 1-6 |
J200 HONGKONG
| W | 1R | Yen-Chun Wang | 6-3 2-6 6-1 |
| W | 2R | Ruslan Kastsiukevich | 6-2 1-6 6-2 |
| W | QF | Moobeen Kim | 6-3 6-2 |
| W | SF | Ilya Maltsev | 7-6 6-1 |
| W | F | Hitesh Chauhan | 6-3 6-1 |
J100 HONGKONG
| W | 1R | Haiyi Qin | 6-1 6-4 |
| W | 2R | Jeffrey Strydom | 6-2 6-0 |
| W | QF | Jacob Lee | 6-1 6-1 |
| W | SF | Yauheni Bursau | 6-2 6-2 |
| W | F | Ilya Maltsev | 7-5 5-7 6-2 |
J30 OSAKA
| W | 1R | Riku Kurashita | 6-1 6-0 |
| W | 2R | Sota Miyazaki | 6-2 6-1 |
| W | QF | Ryo Kikawa | 6-4 6-0 |
| W | SF | Sohji Nishiyama | 6-3 7-5 |
| W | F | Yuki Okahashi | 6-1 4-6 6-3 |
J300 WANJU
| W | 1R | Varun Verma | 6-3 7-6 |
| W | 2R | Wenbo Bai | 6-4 6-4 |
| L | 3R | Yeonsu Jeong | 3-6 4-6 |
J100 KAWAGUCHI
| W | 1R | Kango Endoh | 6-0 6-2 |
| W | 2R | Naoto Tomizawa | 6-3 7-6 |
| W | QF | Wenbo Bai | 6-1 6-2 |
| W | SF | Ren Matsumura | 7-6 6-3 |
| W | F | Hyu Kawanishi | 6-1 6-2 |
J500 OSAKA
| W | 1R | Benjamin Willwerth | 6-4 6-3 |
| W | 2R | Rohan Hazratwala | 6-3 6-0 |
| L | 3R | Jan Kumstat | 4-6 4-6 |
J200 CHUNCHEON
| L | 1R | Moobeen Kim | 6-2 2-6 5-7 |
J60 MIKICITY-2
| W | 1R | Thanathip Poti | 6-1 6-4 |
| W | 2R | Maki Takei | 6-3 6-1 |
| W | QF | Rafalentino Ali Da Costa | 6-3 6-3 |
| W | SF | Kanata Ozaki | 6-7 6-3 6-2 |
| W | F | Kaigaoge Kang | - - - |
J30 KURUME
| W | 1R | Sota Kagawa | 6-3 6-2 |
| W | 2R | Ko Nagashima | 6-2 6-2 |
| W | QF | Ryuto Suzuki | 6-3 6-1 |
| W | SF | Ryunosuke Kabasawa | 6-2 7-5 |
| W | F | Naoto Tomizawa | 7-5 6-4 |
J30 OSAKA
| W | 1R | Haruki Mizuno | 6-1 6-1 |
| W | 2R | Hakuto Imanishi | 6-3 6-0 |
| W | QF | Haruki Oshita | 6-1 6-2 |
| L | SF | Soma Fukuhara | 2-6 2-6 |
J200 NAGOYA
| W | 1R | Eito Komada | 6-0 7-5 |
| L | 2R | Marek Nano | 3-6 6-4 3-6 |
J60 MIKICITY-2
| W | 1R | Yuto Miyagawa | 7-6 6-1 |
| W | 2R | Kai Miyatake | 6-3 6-2 |
| W | QF | Yuki Okahashi | 6-1 6-4 |
| L | SF | Kazuma Kimura | 6-7 1-6 |
J60 MIKICITY
| W | 1R | Haruto Kusunoki | 3-6 6-2 6-1 |
| W | 2R | Yuta Dokai | 6-4 6-0 |
| W | QF | Gaku Nayuki | 6-4 7-6 |
| L | SF | Kazuma Kimura | 6-2 4-6 0-6 |
J60 SUNCHANG
| W | 1R | Moobeen Kim | 2-6 7-5 6-4 |
| W | 2R | Taisei Hata | 6-2 6-2 |
| L | QF | Se Hyun Kim | 1-6 1-6 |
J60 ANDONG
| L | 1R | Se Hyun Kim | 0-6 3-6 |
J30 KURUME
| W | 1R | Shu Hirata | 6-2 6-4 |
| W | 2R | Naoki Watanabe | 6-3 6-3 |
| L | QF | Yamato Yukawa | 3-6 2-6 |
J5 MATSUYAMA
| W | 1R | Kosuke Asada | 6-1 6-0 |
| W | 2R | Taisei Hata | 7-5 1-6 6-2 |
| W | QF | Shota Shima | 6-1 6-2 |
| L | SF | Natsuki Yamamoto | 7-5 0-6 2-6 |
J5 GIFU
| W | 1R | Yuki Okahashi | 6-0 6-2 |
| W | 2R | Yuya Ando | 6-3 6-1 |
| L | QF | So Ogiri | 7-5 3-6 6-7 |
AI SUGIYAMA CUP
| W | 1R | Hirai Nagashima | 7-5 6-0 |
| W | 2R | Ryusei Miyazato | 7-5 6-3 |
| L | QF | Hikaru Takahashi | 4-6 3-6 |
J5 CHIGASAKI
| W | 1R | Hirai Nagashima | 7-5 6-0 |
| W | 2R | Ryusei Miyazato | 7-5 6-3 |
| L | QF | Hikaru Takahashi | 4-6 3-6 |
J2 NAGOYA
| W | 1R | Yuya Ando | 6-4 6-3 |
| W | 2R | Takamasa Mishiro | 7-5 6-1 |
| L | 3R | Volodymyr Iakubenko | 2-6 1-6 |
JAOSAKA
| L | 1R | Adhithya Ganesan | 2-6 2-6 |
J3 KAWAGUCHI
| L | 1R | Toa Maeda | 5-7 3-6 |
J4 MIKICITY-2
| W | 1R | Ko Fujikawa | 6-2 6-2 |
| L | 2R | Se Hyuk Cho | 2-6 6-7 |
J4 MIKICITY
| L | 1R | Yamato Yukawa | 2-6 2-6 |
J5 NONTHABURI-2
| W | 2R | Pratyaksh Xxx | 6-3 6-2 |
| L | 3R | Minghui Zhang | 6-7 1-6 |
J4 EINDHOVEN
| L | 1R | Christos Glavas | 6-7 6-3 3-6 |
J4 HILLEGOM
| W | 1R | Boudewijn Willems | 7-5 6-2 |
| W | 2R | Hugo Soares | 4-6 6-2 |
| L | 3R | Lars Wagenaar | 2-6 6-7 |
J4 THEHAGUE
| L | 1R | Luke Tollenaar | 2-6 6-3 6-7 |
J4 NONTHABURI
| W | 1R | Putu Agassi Pranata Nida | 6-1 6-2 |
| L | 2R | Rajata Thamcharoensatit | 3-6 1-6 |
J4 SEREMBAN-2
| W | 2R | Bao Le | 4-1 4-1 |
| L | 3R | Mitsuki Wei Kang Leong | 1-6 0-6 |
J4 SEREMBAN
| W | 2R | Enzo Michel | 6-1 6-0 |
| L | 3R | Mitsuki Wei Kang Leong | 6-3 3-6 2-6 |
J5 KURUME
| W | 1R | Christopher Kosei Ono | 6-2 6-1 |
| W | 2R | Hayato Saito | 6-3 6-3 |
| W | QF | Hiiro Sakamoto | 4-6 7-5 7-6 |
| L | SF | Shu Muto | 4-6 6-3 3-6 |
J4 NAGOYA
| L | 1R | Rei Sakamoto | 3-6 4-6 |
J4 OSAKA
| W | 1R | Sota Minami | 4-6 6-3 6-3 |
| L | 2R | Takamasa Mishiro | 5-7 5-7 |
J4 MIKI-CITY-2
| W | 1R | Taisei Hata | 6-2 6-4 |
| L | 2R | Hayato Matsuoka | 2-6 1-6 |
J4 MIKI-CITY
| W | 1R | Gaku Okuma | 6-2 6-3 |
| W | 2R | Yuma Daijima | 1-6 7-5 6-4 |
| L | QF | Asahi Harazaki | 0-6 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