Naoto Tomizawa
2025
| J500 OSAKA | 2R | |
| US OPEN JUNIOR | 2R | |
| J300 COLLEGEPARK | 1R | |
| J200 PLANTATION | [16] | Semi |
| AUSTRALIAN OPEN JUNIOR | 2R | |
| J300 TRARALGON | 3R |
2024
| J100 KAWAGUCHI | 2R | |
| J500 OSAKA | 1R | |
| J60 JAKARTA-2 | [13] | Win |
| J60 JAKARTA | 1R | |
| J30 KURUME | [5] | Final |
| J60 HONGKONG | Quarter |
2023
Nation
JPN
Generation
Born in 2007 (18-19 years old)
Year-end Junior World Ranking
- Year-end 2025 246th
- Year-end 2024 587th
- Year-end 2023 1264th
Match Details
2025 J500 OSAKA
| W | 1R | Kai Thompson | 6-4 7-5 |
| L | 2R | Jamie Mackenzie | 2-6 3-6 |
2025 US OPEN JUNIOR
| W | 1R | Keaton Hance | 6-7 6-3 6-2 |
| L | 2R | Andres Santamarta Roig | 1-6 3-6 |
2025 J300 COLLEGEPARK
| L | 1R | Tanishk Konduri | 6-7 2-6 |
2025 J200 PLANTATION
| W | 1R | Graeme Angus | 4-6 6-2 6-2 |
| W | 2R | Achilleas Makris | 6-2 6-2 |
| W | 3R | Maximus Dussault | 6-2 3-6 6-1 |
| W | QF | Vihaan Reddy | 6-3 6-3 |
| L | SF | Sasha Colleu | 6-7 3-6 |
2025 AUSTRALIAN OPEN JUNIOR
| W | 1R | Haydar Cem Gokpinar | 6-3 4-6 6-2 |
| L | 2R | Henry Bernet | 3-6 4-6 |
2025 J300 TRARALGON
| W | 1R | Jeffrey Strydom | 6-2 6-4 |
| W | 2R | Moobeen Kim | 6-2 6-3 |
| L | 3R | Egor Pleshivtsev | 6-7 4-6 |
2024 J100 KAWAGUCHI
| W | 1R | Miguel Iglupas | 6-4 6-1 |
| L | 2R | Shion Itsusaki | 3-6 6-7 |
2024 J500 OSAKA
| L | 1R | Kai Milburn | 6-7 4-6 |
2024 J60 JAKARTA-2
| W | 2R | Kanato Maruyama | 6-2 6-3 |
| W | 3R | Jaden Dewandaka Tan | 3-6 6-3 6-4 |
| W | QF | Ahmad Nael Qureshi | 6-4 6-0 |
| W | SF | Aldhito Ramadhan Dwi Kurniawan | 6-4 6-2 |
| W | F | Rafalentino Ali Da Costa | 6-4 6-2 |
2024 J60 JAKARTA
| L | 1R | Siu Chi Nicholas Cheng | 5-7 3-6 |
2024 J30 KURUME
| W | 1R | Tokio Takemoto | 6-3 6-0 |
| W | 2R | Takaya Ishii | 6-4 4-6 6-0 |
| W | QF | Riku Nakamoto | 6-1 7-6 |
| W | SF | Yoshihiro Sakurai | 6-4 6-0 |
| L | F | Shion Itsusaki | 5-7 4-6 |
2024 J60 HONGKONG
| W | 1R | Yutong Du | 6-3 6-2 |
| W | 2R | Yen-Chun Wang | 6-2 3-6 6-1 |
| L | QF | Jack Cheng | 2-6 6-2 2-6 |
2023 J30 CHIGASAKI
| W | 1R | Kanari Izumisawa | 6-2 6-3 |
| W | 2R | Hyu Kawanishi | 6-3 1-6 6-1 |
| W | QF | Yoshito Oda | 6-1 6-1 |
| W | SF | Gaku Nayuki | 6-3 6-3 |
| W | F | Koshiro Nakamae | 6-1 6-2 |
2023 J60 YAMANASHI
| L | 1R | Aoi Oura | 6-7 4-6 |
2023 J30 OSAKA
| W | 1R | Shun Wakino | 6-3 6-4 |
| L | 2R | Koshiro Nakamae | 5-7 2-6 |
2023 J100 KAWAGUCHI
| W | 1R | Yuta Dokai | 6-1 6-4 |
| L | 2R | Shota Shima | 6-7 4-6 |
2023 J60 CHANGHUA
| W | 1R | Ho-Yen Tsai | 6-2 6-1 |
| L | 2R | Kuan-Shou Chen | 42-5 0-4 |
Junior Tennis Database is a site that summarizes the results of ITF junior tennis tournaments.
Number of registered tournaments: 10253, Number of registered players: 6,588, Number of registered results: 377,538