Natsumi Kawaguchi
2019
| J500OSAKA | [2] | 3R |
| US OPEN JUNIOR | [6] | 1R |
| WIMBLEDON JUNIOR | [6] | Quarter |
| ROLAND GARROS JUNIOR | [7] | 3R |
| AUSTRALIAN OPEN JUNIOR | 1R |
2018
| J500OSAKA | [12] | 3R |
2016
| J500OSAKA | 3R |
Nation
JPN
Age
23 years old (born in 2002)
World Ranking
WTA Ranking　461th
Year-end Junior World Ranking
- Year-end 2020 42th
- Year-end 2019 6th
- Year-end 2018 49th
Match Details
J500OSAKA
| W | 1R | Jennifer Kida | 6-2 6-3 |
| W | 2R | Carol Young Suh Lee | 6-1 6-3 |
| L | 3R | Mara Guth | 1-6 3-6 |
US OPEN JUNIOR
| L | 1R | Joanna Garland | 4-6 6-1 3-6 |
WIMBLEDON JUNIOR
| W | 1R | Alexandra Vecic | 6-1 5-7 6-4 |
| W | 2R | Martyna Kubka | 6-1 7-6 |
| W | 3R | Elizabeth Mandlik | WO |
| L | QF | Emma Navarro | 6-4 1-6 1-6 |
ROLAND GARROS JUNIOR
| W | 1R | Abigail Forbes | 6-3 5-7 6-3 |
| W | 2R | Mylene Halemai | 6-4 6-3 |
| L | 3R | Alina Charaeva | 3-6 2-6 |
AUSTRALIAN OPEN JUNIOR
| L | 1R | Daria Frayman | 5-7 6-4 5-7 |
J500OSAKA
| W | 1R | Nanari Katsumi | 6-3 6-2 |
| W | 2R | Shiori Ito | 6-4 6-4 |
| L | 3R | Daria Snigur | 1-6 2-6 |
J500OSAKA
| W | 1R | Lulu Sun | 7-6 6-3 |
| W | 2R | Rika Tanaka | 6-3 6-2 |
| L | 3R | Xiyu Wang | 4-6 6-1 3-6 |
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