Player

🇯🇵 Hiromasa Oku

Career matches 117

Wins 48

Losses 69

Win rate 41.0%

Elo (current) —

Surface breakdown

Hard 36.1% 22W – 39L (61 matches)

Clay 46.5% 20W – 23L (43 matches)

Grass 0.0% 0W – 2L (2 matches)

Carpet 54.5% 6W – 5L (11 matches)

Career form (last 10)

LLLLLLLLWL

Newest on left. Hover for details.

Head-to-head (top 5 opponents)

Opponent	Played	W	L	W%
Shunrou Takeshima	5	2	3	40%
Yuuya Kibi	5	0	5	0%
Takuto Niki	4	1	3	25%
Yohei Ono	3	1	2	33%
Gengo Kikuchi	3	1	2	33%

Recent matches

51–100 of 117

Date	Tournament	Round	Winner	Loser	Score	Surface
2015-04-20	Thailand F1	R16	Yong Kyu Lim	Hiromasa Oku	6-3 6-1	Hard
2015-04-20	Thailand F1	R32	Hiromasa Oku	Jacob Grills	2-6 6-3 6-1	Hard
2015-03-30	Japan F4	R32	Souma Kuribayashi	Hiromasa Oku	6-3 6-2	Hard
2015-03-16	Japan F2	R32	Yutaro Matsuzaki	Hiromasa Oku	6-2 3-6 7-6(2)	Hard
2015-03-09	Japan F1	R32	Yuichi Ito	Hiromasa Oku	6-2 6-4	Hard
2014-08-25	Korea F12	R32	Sang Oh Oh	Hiromasa Oku	6-1 6-2	Clay
2014-08-18	Korea F11	R32	Woong Sun Jun	Hiromasa Oku	6-3 7-6(0)	Clay
2014-07-14	Hong Kong F2	R32	Gengo Kikuchi	Hiromasa Oku	6-7(3) 6-4 6-2	Hard
2014-07-07	Hong Kong F1	R32	Siu Fai Kelvin Lam	Hiromasa Oku	6-2 1-6 6-3	Hard
2014-06-23	Japan F8	R16	Yoshihito Nishioka	Hiromasa Oku	6-0 6-3	Clay
2014-06-23	Japan F8	R32	Hiromasa Oku	Soichiro Moritani	6-3 6-3	Clay
2014-06-16	Japan F7	F	Yuuya Kibi	Hiromasa Oku	6-4 6-3	Carpet
2014-06-16	Japan F7	SF	Hiromasa Oku	Yohei Ono	6-2 6-4	Carpet
2014-06-16	Japan F7	QF	Hiromasa Oku	Chieh Fu Wang	6-3 7-6(4)	Carpet
2014-06-16	Japan F7	R16	Hiromasa Oku	Arata Onozawa	6-4 1-0 RET	Carpet
2014-06-16	Japan F7	R32	Hiromasa Oku	Kazuya Tamura	7-6(3) 6-0	Carpet
2014-06-09	Japan F6	SF	Yuuya Kibi	Hiromasa Oku	6-0 6-2	Hard
2014-06-09	Japan F6	QF	Hiromasa Oku	Shunrou Takeshima	6-1 6-1	Hard
2014-06-09	Japan F6	R16	Hiromasa Oku	Jui Chen Hung	6-2 6-4	Hard
2014-06-09	Japan F6	R32	Hiromasa Oku	Gengo Kikuchi	6-3 7-6(6)	Hard
2014-06-02	Japan F5	QF	Yuuya Kibi	Hiromasa Oku	6-4 6-2	Clay
2014-06-02	Japan F5	R16	Hiromasa Oku	Katsuki Nagao	7-6(4) 7-6(7)	Clay
2014-06-02	Japan F5	R32	Hiromasa Oku	Takashi Saito	6-2 6-4	Clay
2014-05-26	Guam F1	R32	Gengo Kikuchi	Hiromasa Oku	6-4 6-3	Hard
2014-03-31	Japan F4	R32	Junya Toyono	Hiromasa Oku	6-4 0-6 6-3	Hard
2014-03-17	Japan F2	R32	Takuto Niki	Hiromasa Oku	7-6(5) 6-3	Hard
2014-03-10	Japan F1	R32	Hiroki Kondo	Hiromasa Oku	7-5 6-3	Hard
2013-06-24	Japan F7	R16	Hiroyasu Ehara	Hiromasa Oku	6-7(1) 6-1 6-4	Clay
2013-06-24	Japan F7	R32	Hiromasa Oku	Tadayuki Longhi	6-2 6-3	Clay
2013-06-10	Japan F5	QF	Yohei Ono	Hiromasa Oku	6-2 6-1	Clay
2013-06-10	Japan F5	R16	Hiromasa Oku	Hiroyasu Ehara	2-6 6-4 6-3	Clay
2013-06-10	Japan F5	R32	Hiromasa Oku	Shunrou Takeshima	6-2 6-0	Clay
2013-06-03	Guam F1	R16	Saketh Myneni	Hiromasa Oku	6-1 6-4	Hard
2013-06-03	Guam F1	R32	Hiromasa Oku	Bang Ho Song	6-4 6-0	Hard
2013-04-01	Japan F4	R32	Shunrou Takeshima	Hiromasa Oku	7-6(4) 6-0	Hard
2013-03-25	Japan F3	R32	Issei Okamura	Hiromasa Oku	7-6(6) 6-7(4) 7-6(2)	Hard
2013-03-18	Japan F2	R32	Yasutaka Uchiyama	Hiromasa Oku	6-4 6-0	Hard
2013-03-11	Japan F1	R32	Bumpei Sato	Hiromasa Oku	6-3 6-2	Hard
2012-06-25	Japan F7	R32	Shunrou Takeshima	Hiromasa Oku	7-5 6-0	Clay
2012-06-18	Japan F6	R32	Yohei Ono	Hiromasa Oku	6-2 5-7 7-6(4)	Grass
2012-06-11	Japan F5	QF	Takuto Niki	Hiromasa Oku	6-2 6-3	Clay
2012-06-11	Japan F5	R16	Hiromasa Oku	Hsien Yin Peng	7-5 1-6 6-6(4) RET	Clay
2012-06-11	Japan F5	R32	Hiromasa Oku	Leon Frost	2-6 6-1 6-4	Clay
2012-04-16	Vietnam F3	QF	Kento Takeuchi	Hiromasa Oku	6-4 0-6 6-1	Hard
2012-04-16	Vietnam F3	R16	Hiromasa Oku	Minh Quan Do	7-6(4) 6-1	Hard
2012-04-16	Vietnam F3	R32	Hiromasa Oku	Luke Saville	6-1 6-7(4) 6-0	Hard
2012-04-09	Vietnam F2	QF	Daniel Geib	Hiromasa Oku	6-1 6-3	Hard
2012-04-09	Vietnam F2	R16	Hiromasa Oku	Nutthanon Kadchapanan	6-2 6-3	Hard
2012-04-09	Vietnam F2	R32	Hiromasa Oku	Jack Schipanski	6-3 6-3	Hard
2011-06-27	Japan F8	R16	Kishi Watanabe	Hiromasa Oku	7-6(3) 3-6 6-1	Clay

Aliases

atp

Hiromasa Oku (o362)

atp_short

H. Oku (o362)

sackmann

Hiromasa Oku (105391)

variant

H Oku