Japan F4

🇯🇵 Japan · 2015 · 3/30

HardITF

Overview

Year	Champion	Runner-up	Score
2026	E. Hudd	S. Hazawa	6-4 4-6 6-0
2025	H. Chung	T. Kumasaka	6-4 3-6 6-1
2024	H. Shiraishi	K. Isomura	6-1 6-3
2023	Y. Hsu	S. Shimabukuro	7-6(5) 6-4
2019	S. Imai	J. Yamasaki	6-4 6-4
2018	Y. Watanuki	R. Tokuda	7-5 6-1
2017	Y. Takahashi	T. Niki	6-2 6-2
2016	Y. Watanuki	S. Imai	1-6 6-4 6-2
2015	Y. Uchiyama	T. Niki	6-1 6-2
2014	M. Shiga	T. Niki	3-6 7-6(4) 6-3
2013	Y. Ito	I. Okamura	6-3 3-6 6-2
2012	Y. Uchiyama	L. Huang	7-5 6-4