Reiya Hattori
2023
| J500Osaka | 2R | |
| J300Charleroi-Marcinelle | 1R | |
| J200Piestany | [8] | 2R |
| J300Plovdiv | 1R | |
| J200Florence | [5] | 2R |
| J300Sarawak | [10] | 3R |
| J300Nonthaburi | [12] | 2R |
| J200Nonthaburi | [9] | 3R |
| J300Salinas | [6] | 1R |
| Australian Open Junior | 1R |
2022
| Japlantation | 1R | |
| J1Bradenton | 1R | |
| Jamerida | 1R | |
| Jb1Osan-Asiaclosed | [6] | Quarter |
| J2Chuncheon | [7] | 1R |
| J2Nagoya | [4] | 3R |
| Jaosaka | [12] | 2R |
| Jb1Pune | [8] | Quarter |
| J2Sydney | [4] | Quarter |
| J4Lautoka-2 | [1] | Quarter |
| J4Lautoka | [1] | Final |
| J3Cochabamba | [2] | 1R |
| J3Lapaz | [2] | Quarter |
| J3Lima | [3] | Quarter |
| J3Monastir | [4] | 1R |
| J3Sousse | [3] | 1R |
| J3Cancun-3 | [6] | Semi |
| J3Cancun-2 | [2] | 3R |
| J1Nonthaburi | 3R | |
| J2Kolkata | 1R | |
| J2Chandigarh | 1R | |
| J3Chandigarh | 1R |
2021
| YOshis CUP | Q4 |
2019
Generation
Born in 2005 (19-20 years old)
Year-end Junior World Ranking
- Year-end 2023 309th
- Year-end 2022 136th
- Year-end 2021 433th
- Year-end 2020 1404th
- Year-end 2019 2529th
Match Details
2023 J500Osaka
| W | 1R | Kerem Yilmaz | 6-3 4-6 6-4 |
| L | 2R | Hoyoung Roh | 6-4 2-6 1-6 |
2023 J300Charleroi-Marcinelle
| L | 1R | Cyrus Mahjoob | 4-6 4-6 |
2023 J200Piestany
| L | 2R | Kostiantyn Mantach | 3-6 4-6 |
2023 J300Plovdiv
| L | 1R | Jan Kumstat | 2-6 2-6 |
2023 J200Florence
| W | 1R | Lapo Marianelli | 6-0 6-2 |
| L | 2R | Filippo Romano | 4-6 4-6 |
2023 J300Sarawak
| W | 2R | Weitao Xu | 6-3 4-6 6-0 |
| L | 3R | Yuvan Nandal | 6-3 2-6 1-6 |
2023 J300Nonthaburi
| L | 2R | Seungmin Park | 1-6 2-6 |
2023 J200Nonthaburi
| W | 2R | Josh Manuel | 7-5 6-3 |
| L | 3R | Yuvan Nandal | 2-6 3-6 |
2023 J300Salinas
| L | 1R | Lucca Guercio | 3-6 1-3 |
2023 Australian Open Junior
| L | 1R | Ruslan Tiukaev | 4-6 3-6 |
2022 Japlantation
| L | 1R | Alexander Razeghi | 2-6 3-6 |
2022 J1Bradenton
| L | 1R | Jonah Braswell | 4-6 0-6 |
2022 Jamerida
| L | 1R | Cooper Williams | 3-6 1-6 |
2022 Jb1Osan-Asiaclosed
| W | 1R | Tae Hoon Kim | 6-2 6-0 |
| W | 2R | Taewan Joo | 6-1 6-2 |
| W | 3R | Se Hyun Kim | 5-7 6-4 6-2 |
| L | QF | Gerard Campana Lee | 0-6 4-6 |
2022 J2Chuncheon
| L | 1R | Se Hyuk Cho | 6-3 4-6 6-7 |
2022 J2Nagoya
| W | 2R | Yamato Yukawa | 6-4 6-1 |
| L | 3R | Yuto Oki | 4-6 6-3 3-6 |
2022 Jaosaka
| W | 1R | Natsuki Yamamoto | 6-1 6-3 |
| L | 2R | Min Seok Maeng | 2-6 3-6 |
2022 Jb1Pune
| W | 1R | Aryan Lakshmanan | 6-3 6-4 |
| W | 2R | Daksh Prasad | 2-6 6-3 6-2 |
| L | QF | Yuvan Nandal | 2-6 5-7 |
2022 J2Sydney
| W | 1R | Hugh Winter | 6-2 6-2 |
| W | 2R | Cooper Errey | 7-6 6-1 |
| L | QF | Jeremy Zhang | 2-6 4-6 |
2022 J4Lautoka-2
| W | 1R | Chase Zhao | 6-3 6-1 |
| W | 2R | Finn Burridge | 6-3 6-1 |
| L | QF | Brendan Nicholas Hendrata | 6-6 |
2022 J4Lautoka
| W | 1R | Will Roberts | 6-1 6-2 |
| W | 2R | Elijah Dikkenberg | 6-2 6-2 |
| W | QF | Juan Kim | 6-2 6-2 |
| W | SF | Marcus Schoeman | 5-7 3-2 |
| L | F | Diego Quispe-Kim | 1-6 3-6 |
2022 J3Cochabamba
| L | 1R | Renato Mathier | 0-6 6-7 |
2022 J3Lapaz
| W | 1R | Samuel Orellana Orellana | 6-0 6-3 |
| W | 2R | Pedro Almeida Melli | 6-3 6-1 |
| L | QF | Luca Miremont | 3-6 3-6 |
2022 J3Lima
| W | 1R | Diego Cueto De Romana | 6-0 6-2 |
| W | 2R | Victor Milare Alves | 7-5 6-1 |
| L | QF | Cyrus Mahjoob | 1-6 2-6 |
2022 J3Monastir
| L | 1R | Alberto Blumenschein | 2-6 4-6 |
2022 J3Sousse
| L | 1R | Pierre Ngijol Carre | 7-5 4-6 2-6 |
2022 J3Cancun-3
| W | 2R | Gareth Ong | 7-6 6-3 |
| W | 3R | Carson Baker | 7-5 4-0 |
| W | QF | Paulo Hugo Etchecoin | 6-1 6-3 |
| L | SF | Edward Winter | 1-6 3-6 |
2022 J3Cancun-2
| W | 2R | Oscar Andres Martinez De Freitas | 6-1 6-0 |
| L | 3R | Kase Schinnerer | 5-7 6-3 0-6 |
2022 J1Nonthaburi
| W | 1R | Pumiphat Sukkho | 6-0 6-0 |
| W | 2R | Chirag Duhan | 2-6 6-2 6-3 |
| L | 3R | Filip Apltauer | 4-6 2-6 |
2022 J2Kolkata
| L | 1R | Aman Dahiya | 5-7 1-6 |
2022 J2Chandigarh
| L | 1R | Rushil Khosla | 2-6 3-6 |
2022 J3Chandigarh
| L | 1R | Rushil Khosla | 4-6 5-7 |
2019 Ai Sugiyama Cup
| W | 1R | Koki Masaki | 7-5 6-2 |
| L | 2R | Kaiyo Teshima | 2-6 4-6 |
Junior Tennis Database is a site that summarizes the results of ITF junior tennis tournaments.
Number of registered tournaments: 9232, Number of registered players: 5,739, Number of registered results: 303,630