Ko Nagashima

2025

J60Mikicity		Quarter
J30Munakata		Quarter

2024

J30Gifu		1R
J30Matsuyama		Quarter
J60Mikicity-2		2R
J60Mikicity		1R
J30Kurume		2R

2023

J30Matsuyama		Quarter
J30Gifu		1R
J30Kurume		2R

2022

YOshis CUP		6th
Ai Sugiyama Cup		1R

Nation

JPN

Generation

Born in 2007 (17-18 years old)

World Ranking

Junior World Ranking　1480th

Year-end Junior World Ranking

Year-end 2024 2168th
Year-end 2023 2781th
Year-end 2022 3110th

Rival

Koshiro Nakamae (0-2)

[2024] J60MIKICITY 4-6 6-7
[2023] J30MATSUYAMA 6-4 2-6 4-6

Taku Ito (1-1)

[2023] J30MATSUYAMA 7-6 6-3
[2022] YOshis CUP 2-6

Match Details

2025 J60Mikicity

W	1R	Yuki Nishizawa	6-2 6-2
W	2R	Sota Kagawa	6-4 7-6
L	QF	Koki Nara	6-4 3-6 0-6

2025 J30Munakata

W	1R	Zachary Sng	6-1 6-1
W	2R	Tomoki Fujiwara	6-2 6-2
L	QF	Ryo Kikawa	3-6 4-6

2024 J30Matsuyama

W	1R	Shintaro Ogaki	6-3 6-4
W	2R	Se Hyun Lee	6-3 6-3
L	QF	Riku Nakamoto	2-6 6-4 8-10

2024 J60Mikicity-2

W	1R	Kamonpanyakorn Thadpong	6-2 6-0
L	2R	Yoshihiro Sakurai	1-6 3-6

2024 J30Kurume

W	1R	Geon Hyeok Jeon	6-2 6-3
L	2R	Shion Itsusaki	2-6 2-6

2023 J30Matsuyama

W	1R	Xiao-Feng Zhou	7-5 6-3
W	2R	Taku Ito	7-6 6-3
L	QF	Koshiro Nakamae	6-4 2-6 4-6

2023 J30Kurume

W	1R	Yuki Okahashi	6-2 6-3
L	2R	Roshu Fujioka	4-6 2-6

Junior Tennis Database is a site that summarizes the results of ITF junior tennis tournaments.
Number of registered tournaments: 9482, Number of registered players: 4,990, Number of registered results: 217,154