Kokoro Isomura
2021
2020
| ROLAND GARROS JUNIOR | 1R | |
| J1 SARAWAK | [6] | 3R |
| J1 NONTHABURI | [9] | Quarter |
| J1 PORTOALEGRE-2 | 3R | |
| J1 LAMBARE-2 | [11] | 3R |
2019
| J500OSAKA | 2R | |
| CHINA JUNIOR 14 | [16] | 3R |
2018
| J500OSAKA | 3R |
Nation
JPN
Age
23 years old (born in 2003)
World Ranking
ATP Ranking　553th
Year-end Junior World Ranking
- Year-end 2021 288th
- Year-end 2020 79th
- Year-end 2019 172th
- Year-end 2018 323th
Match Details
WIMBLEDON JUNIOR
| L | 1R | Arthur Fils | 3-6 4-6 |
ROLAND GARROS JUNIOR
| L | 1R | Arthur Fils | 4-6 3-6 |
J2 HASKOVO
| L | 1R | Abedallah Shelbayh | 4-6 3-6 |
J1 PLOVDIV
| W | 1R | Ivan Penev | 6-1 6-2 |
| L | 2R | Pierre Yves Bailly | 2-6 4-6 |
ROLAND GARROS JUNIOR
| L | 1R | Hamad Medjedovic | 5-7 3-6 |
J1 SARAWAK
| W | 2R | Anton Shepp | 7-5 6-2 |
| L | 3R | Philip Sekulic | 5-7 1-6 |
J1 NONTHABURI
| W | 2R | Corban Crowther | 6-4 6-0 |
| W | 3R | Woobin Shin | 7-5 7-5 |
| L | QF | Hanwen Li | 4-6 3-6 |
J1 PORTOALEGRE-2
| W | 1R | Richard Gama | 6-2 1-6 6-2 |
| W | 2R | Dali Blanch | 6-3 1-6 6-3 |
| L | 3R | Santiago De La Fuente | 6-3 0-6 3-6 |
J1 LAMBARE-2
| W | 2R | Stefan Popovic | 6-4 6-4 |
| L | 3R | Petr Nesterov | 2-6 3-6 |
J500OSAKA
| W | 1R | Cooper White | 5-7 6-1 6-1 |
| L | 2R | Marat Sharipov | 4-6 1-6 |
CHINA JUNIOR 14
| W | 2R | Michael Francis Eala | 7-5 7-5 |
| L | 3R | Bu Yunchaokete | 3-6 4-6 |
J500OSAKA
| W | 1R | Christian Didier Chin | 4-6 6-3 6-0 |
| W | 2R | Arthur Craig Pantino | 3-6 6-4 6-1 |
| L | 3R | Christian Lerby | 2-6 2-6 |
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