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

1–50 of 117

Date	Tournament	Round	Winner	Loser	Score	Surface
2017-05-29	Japan F6	R32	Tung Lin Wu	Hiromasa Oku	6-1 6-2	Clay
2016-09-05	Korea F8	R32	Young Seok Kim	Hiromasa Oku	6-0 6-2	Clay
2016-08-29	Korea F7	R32	Jea Moon Lee	Hiromasa Oku	6-3 7-6(3)	Clay
2016-08-22	Korea F6	R32	Jung Woong Na	Hiromasa Oku	4-6 6-1 6-0	Clay
2016-07-25	Vietnam F1	R32	Kento Takeuchi	Hiromasa Oku	6-2 6-2	Hard
2016-06-13	Japan F8	R32	Kazuki Nishiwaki	Hiromasa Oku	2-6 6-3 6-4	Carpet
2016-06-06	Japan F7	R32	Sho Katayama	Hiromasa Oku	6-1 6-2	Hard
2016-05-30	Japan F6	R16	Yuuya Kibi	Hiromasa Oku	6-3 6-2	Clay
2016-05-30	Japan F6	R32	Hiromasa Oku	Takuto Niki	6-2 6-3	Clay
2016-05-23	Guam F1	R32	Shunrou Takeshima	Hiromasa Oku	6-3 6-2	Hard
2016-05-09	Turkey F19	QF	Marc Sieber	Hiromasa Oku	6-0 6-3	Hard
2016-05-09	Turkey F19	R16	Hiromasa Oku	Mikelis Libietis	6-1 RET	Hard
2016-05-09	Turkey F19	R32	Hiromasa Oku	Thomas Statzberger	6-3 6-4	Hard
2016-05-02	Turkey F18	R32	Anil Yuksel	Hiromasa Oku	6-3 6-2	Hard
2016-04-25	Turkey F17	R32	Altug Celikbilek	Hiromasa Oku	6-4 2-6 7-6(4)	Hard
2016-04-04	Japan F5	R16	Yuuya Kibi	Hiromasa Oku	6-2 6-4	Hard
2016-04-04	Japan F5	R32	Hiromasa Oku	Katsuki Nagao	7-6(0) 5-7 6-1	Hard
2016-03-28	Japan F4	R32	Masato Shiga	Hiromasa Oku	6-4 6-3	Hard
2016-03-07	Japan F1	R32	Shintaro Imai	Hiromasa Oku	3-6 6-2 6-1	Hard
2016-02-22	Kyoto CH	Q2	Shuichi Sekiguchi	Hiromasa Oku	6-1 6-2	Hard
2016-02-22	Kyoto CH	Q1	Hiromasa Oku	Yuga Tashiro	7-5 6-4	Hard
2015-10-12	Philippines F2	R32	Kunal Anand	Hiromasa Oku	6-1 6-4	Clay
2015-10-05	Philippines F1	QF	Harry Bourchier	Hiromasa Oku	6-4 6-7(6) 7-5	Clay
2015-10-05	Philippines F1	R16	Hiromasa Oku	Francis Casey Alcantara	6-0 6-2	Clay
2015-10-05	Philippines F1	R32	Hiromasa Oku	Kyle Joshua Dandan	6-1 6-2	Clay
2015-09-07	Korea F7	R16	Woong Sun Jun	Hiromasa Oku	6-3 6-3	Clay
2015-09-07	Korea F7	R32	Hiromasa Oku	Sang Woo Noh	6-1 7-6(1)	Clay
2015-08-31	Korea F6	R32	Cheong Eui Kim	Hiromasa Oku	6-2 6-3	Clay
2015-08-24	Korea F5	SF	Hong Chung	Hiromasa Oku	6-2 6-1	Hard
2015-08-24	Korea F5	QF	Hiromasa Oku	Min Kyu Song	2-6 7-6(7) 0-1 RET	Hard
2015-08-24	Korea F5	R16	Hiromasa Oku	Ken Onoda	6-1 1-1 RET	Hard
2015-08-24	Korea F5	R32	Hiromasa Oku	Dong Whee Choi	2-0 RET	Hard
2015-08-17	Korea F4	R16	Jung Woong Na	Hiromasa Oku	6-3 6-4	Hard
2015-08-17	Korea F4	R32	Hiromasa Oku	San Hui Sin	6-1 6-1	Hard
2015-08-10	Korea F3	R32	Yunseong Chung	Hiromasa Oku	7-5 6-2	Hard
2015-06-22	Japan F8	R32	Sho Katayama	Hiromasa Oku	7-6(3) 6-0	Clay
2015-06-15	Japan F7	QF	Yusuke Watanuki	Hiromasa Oku	6-2 6-3	Carpet
2015-06-15	Japan F7	R16	Hiromasa Oku	Makoto Ochi	6-4 6-3	Carpet
2015-06-15	Japan F7	R32	Hiromasa Oku	Ku Keon Kang	6-2 6-1	Carpet
2015-06-08	Japan F6	R32	Keisuke Watanuki	Hiromasa Oku	6-2 6-3	Hard
2015-06-01	Japan F5	F	Takashi Saito	Hiromasa Oku	6-3 6-1	Clay
2015-06-01	Japan F5	SF	Hiromasa Oku	Makoto Ochi	2-6 6-2 6-4	Clay
2015-06-01	Japan F5	QF	Hiromasa Oku	Yuichi Ito	6-0 6-1	Clay
2015-06-01	Japan F5	R16	Hiromasa Oku	Tadayuki Longhi	6-3 6-0	Clay
2015-06-01	Japan F5	R32	Hiromasa Oku	Koichi Sano	6-4 3-6 6-2	Clay
2015-05-25	Guam F1	QF	Takao Suzuki	Hiromasa Oku	4-6 7-6(5) 7-5	Hard
2015-05-25	Guam F1	R16	Hiromasa Oku	Masayoshi Ono	6-0 6-2	Hard
2015-05-25	Guam F1	R32	Hiromasa Oku	Masaki Sasai	6-1 6-1	Hard
2015-04-27	Thailand F2	R16	Andre Dome	Hiromasa Oku	6-3 6-2	Hard
2015-04-27	Thailand F2	R32	Hiromasa Oku	Yuichi Ito	4-6 6-2 6-4	Hard

Aliases

atp

Hiromasa Oku (o362)

atp_short

H. Oku (o362)

sackmann

Hiromasa Oku (105391)

variant

H Oku