Mei Hasegawa
2021
| JAMILAN-2 | 1R | |
| WIMBLEDON JUNIOR | 1R | |
| ROLAND GARROS JUNIOR | 1R | |
| J3 LOUSADA-2 | [2] | 2R |
| J3 LOUSADA | [2] | 1R |
| JACRICIUMA | [8] | 1R |
| J1 PORTOALEGRE | [8] | 2R |
| J1 LAMBARE | Quarter | |
| J1 SALINAS | Quarter |
2020
| J4 ISTANBUL-5 | [1] | 2R |
| J3 ISTANBUL-9 | [2] | 1R |
| J4 TARRAGONA-2 | [1] | 1R |
| J5 MIJASCOSTA-2 | [1] | Quarter |
| J1 NONTHABURI | [14] | Quarter |
| J2 SIAULIAI-2 | Quarter | |
| J2 KOLKATA | [7] | Quarter |
| J2 NEWDELHI | [8] | 1R |
2019
| J3 PUNE | [8] | Semi |
| J4 DELHI | [6] | Semi |
| JB1 SEOGWIPO | 1R | |
| J2 CHUNCHEON | 1R | |
| J2 NAGOYA | 2R | |
| JAOSAKA | 1R | |
| J5 SELANGOR | [3] | Semi |
| J3 SARAWAK | [4] | Semi |
| J1 REPENTIGNY | 2R | |
| J1 NANJING | 1R | |
| J4 JAKARTA-2 | [2] | Semi |
| J4 JAKARTA | [2] | 1R |
| J4 BEIJING | [8] | 3R |
| J4 IPOH | [6] | 3R |
| J1 SARAWAK | 3R | |
| J3 SHENZHEN | 2R | |
| J4 SHENZHEN-3 | [10] | 3R |
| J3 SAITAMA | [7] | Quarter |
2018
2017
Nation
JPN
Age
22 years old (born in 2003)
Year-end Junior World Ranking
- Year-end 2021 126th
- Year-end 2020 109th
- Year-end 2019 282th
- Year-end 2018 501th
Match Details
JAMILAN-2
| L | 1R | Diana Shnaider | 2-6 5-7 |
WIMBLEDON JUNIOR
| L | 1R | Julia Middendorf | 5-7 2-6 |
ROLAND GARROS JUNIOR
| L | 1R | Ekaterina Maklakova | 6-2 1-6 2-6 |
J3 LOUSADA-2
| W | 1R | Jade Marie | 6-4 5-7 6-2 |
| L | 2R | Nina Vargova | 2-6 7-5 1-6 |
J3 LOUSADA
| L | 1R | Anita Sahdiieva | 1-6 1-6 |
JACRICIUMA
| L | 1R | Clervie Ngounoue | 3-6 2-6 |
J1 PORTOALEGRE
| W | 1R | Rebecca Lynn | 6-0 6-4 |
| L | 2R | Solana Sierra | 3-6 3-6 |
J1 LAMBARE
| W | 1R | Paulina Franco Martinessi | 6-2 6-2 |
| W | 2R | Madison Sieg | 6-4 6-4 |
| L | QF | Radka Zelnickova | 3-6 0-6 |
J1 SALINAS
| W | 1R | Anaelle Leclercq | 6-3 6-1 |
| W | 2R | Qavia Lopez | 7-6 6-2 |
| L | QF | Natalia Szabanin | 4-6 4-6 |
J4 ISTANBUL-5
| W | 1R | Elif Tuana Gunal | 6-0 6-2 |
| L | 2R | Lucija Ciric Bagaric | 4-6 4-6 |
J3 ISTANBUL-9
| L | 1R | Yara Bartashevich | 1-6 4-6 |
J4 TARRAGONA-2
| L | 1R | Raquel Gonzalez Vilar | 4-6 6-4 3-6 |
J5 MIJASCOSTA-2
| W | 1R | Mar Ribera Orquin | 6-3 6-4 |
| W | 2R | Elizabeth Jurna | 6-2 3-6 7-5 |
| L | QF | Lucia Martinez Gomez | 2-6 6-7 |
J1 NONTHABURI
| W | 2R | Natasha Sengphrachanh | 4-6 6-4 6-2 |
| W | 3R | Sofia Costoulas | 6-4 6-4 |
| L | QF | Anchisa Chanta | 2-6 3-6 |
J2 SIAULIAI-2
| W | 1R | Fausta Zykute | 6-2 6-7 6-2 |
| W | 2R | Eszter Meri | 6-3 5-3 |
| L | QF | Natalia Szabanin | 4-6 1-6 |
J2 KOLKATA
| W | 1R | Lakshanya Vishwanath | 3-6 6-0 6-2 |
| W | 2R | Anna Grigoreva | 7-6 6-4 |
| L | QF | Alessandra Simone | 6-4 3-6 6-7 |
J2 NEWDELHI
| L | 1R | Mika Dagan Fruchtman | 4-6 6-1 6-7 |
J3 PUNE
| W | 1R | Suhitha Maruri | 6-2 7-6 |
| W | 2R | Bhakti Shah | 6-2 6-3 |
| W | QF | Lanlana Tararudee | 2-6 7-5 6-4 |
| L | SF | Maria Sholokhova | 4-6 4-6 |
J4 DELHI
| W | 1R | Anjali Rathi | 6-0 6-4 |
| W | 2R | Prerna Vichare | 6-1 6-4 |
| W | QF | Maria Sholokhova | 6-7 6-4 6-1 |
| L | SF | Lanlana Tararudee | 3-6 4-6 |
JB1 SEOGWIPO
| L | 1R | Zhuoxuan Bai | 0-6 3-6 |
J2 CHUNCHEON
| L | 1R | Youna Kim | 4-6 6-3 5-7 |
J2 NAGOYA
| W | 1R | Manami Ukita | 3-6 7-5 6-3 |
| L | 2R | Antonia Ruzic | 6-7 5-7 |
JAOSAKA
| L | 1R | Priska Madelyn Nugroho | 3-6 2-6 |
J5 SELANGOR
| W | 2R | Sydney Ezra Enriquez | 6-0 6-0 |
| W | 3R | Sze Xuan Lim | 6-0 6-1 |
| W | QF | Han Shi | 7-6 6-3 |
| L | SF | Yelizaveta Karlova | 5-7 2-6 |
J3 SARAWAK
| W | 2R | Sze Xuan Lim | 6-1 6-2 |
| W | 3R | Warisara Lee | 6-1 6-1 |
| W | QF | Qianyu Liu | 6-0 6-1 |
| L | SF | Janice Tjen | 4-6 0-6 |
J1 REPENTIGNY
| W | 1R | Celia Belle Mohr | 6-3 7-6 |
| L | 2R | Liubov Kostenko | 3-6 2-6 |
J1 NANJING
| L | 1R | Jiayu Xu | 2-6 0-6 |
J4 JAKARTA-2
| W | 2R | Yuyun Chen | 6-0 6-2 |
| W | 3R | Qianyu Liu | 6-3 6-0 |
| W | QF | Tanisha Kashyap | 6-2 6-1 |
| L | SF | Fitriani Sabatini | 4-6 1-6 |
J4 JAKARTA
| L | 1R | Vineetha Mummadi | 6-2 4-6 2-6 |
J4 BEIJING
| W | 1R | Yuxuan Li | 6-4 6-2 |
| W | 2R | Yizhen Zheng | 6-2 7-6 |
| L | 3R | Xichen Zhao | 3-6 1-6 |
J4 IPOH
| W | 2R | Jing Yang | 6-1 7-6 |
| L | 3R | Jade Otway | 6-7 2-6 |
J1 SARAWAK
| W | 1R | Fatima Ingrid Amartha Keita | 3-6 7-5 6-2 |
| W | 2R | Chloe Chong Zhi Jing | 6-0 6-3 |
| L | 3R | Linda Fruhvirtova | 0-6 2-6 |
J3 SHENZHEN
| W | 1R | Mingqiao Yang | 6-2 3-6 6-0 |
| L | 2R | Supapitch Kuearum | 1-6 2-6 |
J4 SHENZHEN-3
| W | 1R | Yuxuan Li | 6-2 6-3 |
| W | 2R | Yile Cheng | 6-0 6-3 |
| L | 3R | Mingqiao Yang | 4-6 6-2 3-6 |
J3 SAITAMA
| W | 1R | Pete Komada | 5-7 6-3 7-5 |
| W | 2R | Sarasa Kaneko | 6-4 2-6 6-4 |
| L | QF | Rebecca Lynn | 0-6 3-6 |
J3 PUNE
| L | 1R | Jagmeet Kaur | 2-6 3-6 |
J4 HILLEGOM
| L | 1R | Bente Spee | 4-6 6-4 6-7 |
J4 CHRISTCHURCH
| W | 1R | Joy Andreou | 6-0 6-1 |
| W | 2R | Nina Paripovich | 6-3 6-4 |
| L | 3R | Nanami Saito | 5-7 7-6 0-6 |
Junior Tennis Database is a site that summarizes the results of ITF junior tennis tournaments.
Number of registered tournaments: 14431, Number of registered players: 7,550, Number of registered results: 449,006