Gaku Nayuki
2025
| J300Kuching | (continue) | |
| J200Kualalumpur | 1R | |
| J100Wellington | [4] | 3R |
| J100Christchurch | [5] | 3R |
2024
| J300Wanju | 2R | |
| J100Kawaguchi | Quarter | |
| J100Seoul | [6] | 2R |
| J100Andong | Final | |
| J100Kuching | Semi | |
| J60Jakarta | 2R | |
| J30Jakarta | 2R | |
| J30Penang | [4] | Win |
| J100Burlington | 2R |
2023
| J30Chigasaki | Semi | |
| J100Kawaguchi | 1R | |
| J60Mikicity-2 | 2R | |
| J60Mikicity | Quarter |
2022
Nation
JPN
Generation
Born in 2007 (17-18 years old)
World Ranking
Junior World Ranking　312th
Year-end Junior World Ranking
- Year-end 2024 406th
- Year-end 2023 1566th
- Year-end 2022 2038th
Match Details
2025 J300Kuching
| W | 1R | Samarth Sahita | 6-2 6-4 |
2025 J200Kualalumpur
| L | 1R | Nikolas Baker | 4-6 1-6 |
2025 J100Wellington
| W | 2R | Nemanja Savic | 6-0 6-2 |
| L | 3R | Noble Renfrow | 2-6 6-7 |
2025 J100Christchurch
| W | 2R | Jack Hansen Ratter | 6-2 4-6 6-3 |
| L | 3R | Mason Vaughan | 4-6 1-6 |
2024 J300Wanju
| W | 1R | Min Hyuk Cho | 6-3 7-5 |
| L | 2R | Zangar Nurlanuly | 6-7 2-6 |
2024 J100Kawaguchi
| W | 1R | Kashiwagi Shotaro | 6-2 7-5 |
| W | 2R | Eito Komada | 6-2 4-6 6-4 |
| L | QF | Ren Matsumura | 4-6 2-6 |
2024 J100Seoul
| W | 1R | Junseo Jang | 2-6 7-6 6-2 |
| L | 2R | Seung Min Lee | 2-6 6-4 6-7 |
2024 J100Andong
| W | 1R | Chang Min Ryu | 6-4 6-2 |
| W | 2R | Jay Lin Gibson | 6-3 6-4 |
| W | QF | Dongmin Kim | 6-2 6-0 |
| W | SF | Jae Min Lee | 6-7 6-1 6-4 |
| L | F | Min Ho Ko | 7-5 4-6 4-6 |
2024 J100Kuching
| W | 1R | Joachim Mika Gunawan | 6-2 6-3 |
| W | 2R | Maximus Zavier Wong | 5-1 |
| W | 3R | Praneel Sharma | 6-4 6-0 |
| W | QF | Kunanan Pantaratorn | 6-4 6-3 |
| L | SF | Jake Dembo | 3-6 4-6 |
2024 J60Jakarta
| W | 1R | Jaden Dewandaka Tan | 6-4 6-4 |
| L | 2R | Ahmad Nael Qureshi | 4-6 6-3 3-6 |
2024 J30Jakarta
| W | 1R | Aldhito Ramadhan Dwi Kurniawan | 6-2 6-3 |
| L | 2R | Michal Ihsan Wicaksana | 1-6 6-7 |
2024 J30Penang
| W | 2R | Timothy Yi Thim Foo | 6-3 6-2 |
| W | 3R | Narathip Rueangsri | 6-2 6-2 |
| W | QF | Joachim Mika Gunawan | 6-4 6-2 |
| W | SF | Jacob Kailiang Shen | 6-4 6-4 |
| W | F | Kai Thompson | 4-6 6-3 7-5 |
2024 J100Burlington
| W | 1R | Aedan Malik | 6-4 6-2 |
| L | 2R | Mark Krupkin | 6-7 3-6 |
2023 J30Chigasaki
| W | 1R | Eita Suzuki | 6-3 6-4 |
| W | 2R | Aoi Oura | 7-5 6-1 |
| W | QF | Christopher Kosei Ono | 3-6 7-6 7-5 |
| L | SF | Naoto Tomizawa | 3-6 3-6 |
2023 J100Kawaguchi
| L | 1R | Koki Nara | 4-6 3-6 |
2023 J60Mikicity-2
| W | 1R | Kensui Komura | 6-4 3-6 6-0 |
| L | 2R | Eito Komada | 3-6 2-6 |
2023 J60Mikicity
| W | 1R | Mao Tazuru | 6-1 6-1 |
| W | 2R | Koyu Yanagi | 6-3 3-0 |
| L | QF | Shion Itsusaki | 4-6 6-7 |
2022 Ai Sugiyama Cup
| L | 1R | Yuki Okahashi | 0-6 1-6 |
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