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Halle

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Nottingham 2 Challenger

Parma Challenger

Poznan Challenger

Dublin Challenger

Asuncion Challenger

Royan Challenger

Issei Okamura

34 year old Japan

Japan

26 May 1992

2025 - 2024 - 2023 - 2022 - 2021 - 2020 - 2019 - 2018 - 2017 - 2016 - See All

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2025

2024

2023

2022

2021

2020

2019

2018

2017

2016

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2014

Issei Okamura

19 - 20win/loss

Hard

19-16

54%

I Hard

0-2

0%

Clay

0-2

0%

2025 Highlights

2nd

Timaru Hinode Kashiwa

1st

Launceston Nishi-Tokyo Tsukuba Osaka Osaka Anning Karuizawa Tokyo Bali Singapore Singapore Sapporo

Q

Q1

Sapporo Takasaki

Next Tournaments

M25 Takasaki

Hard

--- Draw Prediction ---

Jonathan Mridha

J.Mridha
SWE Loss
6-3 7-6⁵

q1
14 Sep 25

L

M25 Sapporo

Hard

Natsuki Yamamoto

N.Yamamoto
JPN Loss
6-2 4-6 10-5

q1
08 Sep 25

L

M25 Sapporo

Hard

Naoya Honda

N.Honda
JPN Loss
6-3 6-2

1^st
03 Sep 25

L

Seiya Nakanishi

S.Nakanishi
JPN
4-6 7-6⁵ 10-8

Q.
02 Sep 25

W

M15 Singapore

I.hard

Antoine Berger

A.Berger
FRA Loss
6-1 6-1

1^st
13 Aug 25

L

M15 Singapore

I.hard

Anmar Faleh Alhogbani

A.Alhogbani
KSA Loss
6-2 4-6 6-3

1^st
05 Aug 25

L

M15 Bali

Hard

Lucca Liu

L.Liu
USA Loss
6-2 6-1

1^st
29 Jul 25

L

M15 Tokyo

Hard

Koray Kirci

K.Kirci
TUR Loss
7-5 2-6 6-2

1^st
09 Jul 25

L

M15 Tokyo

Hard

Yuta Tomida

Y.Tomida
JPN Loss
7-5 6-3

Q.
01 Jul 25

L

Koshiro Nakamae

K.Nakamae
JPN
6-4 6-4

q1
30 Jun 25

W

M15 Karuizawa

Clay

Jay Dylan Hara Friend

J.Friend
JPN Loss
6-3 6-2

1^st
04 Jun 25

L

M25 Anning

Clay

Grigoriy Lomakin

G.Lomakin
KAZ Loss
6-4 6-7⁵ 7-6⁶

1^st
29 Apr 25

L

M15 Osaka

Hard

Jumpei Yamasaki

J.Yamasaki
JPN Loss
6-3 6-4

1^st
22 Apr 25

L

Ryuichiro Nakano

R.Nakano
JPN
6-1 6-1

Q.
21 Apr 25

W

Kohei Hayashi

K.Hayashi
JPN
6-0 3-6 10-8

q1
20 Apr 25

W

M15 Osaka

Hard

Yusuke Kusuhara

Y.Kusuhara
JPN Loss
7-5 6-2

1^st
16 Apr 25

L

Yuhei Kono

Y.Kono
JPN
7-6⁵ 6-1

Q.
15 Apr 25

W

Noritaka Koizumi

N.Koizumi
JPN
1-6 7-5 10-7

q1
14 Apr 25

W

M15 Kashiwa

Hard

Keisuke Saitoh

K.Saitoh
JPN Loss
6-2 6-2

2^nd
04 Apr 25

L

Yuhei Kono

Y.Kono
JPN
6-2 6-1

1^st
01 Apr 25

W

Koki Matsuda

K.Matsuda
JPN Loss
6-2 6-4

Q.
31 Mar 25

L

Ryo Minakata

R.Minakata
JPN
6-1 6-2

q1
30 Mar 25

W

M15 Tsukuba

Hard

Takuya Kumasaka

T.Kumasaka
JPN Loss
7-5 6-1

1^st
26 Mar 25

L

Ryota Tanuma

R.Tanuma
JPN
6-0 7-5

Q.
24 Mar 25

W

Maxwell Benson

M.Benson
USA
7-5 6-2

q1
23 Mar 25

W

M15 Nishi-Tokyo

Hard

Ji Sung Nam

J.Nam
KOR Loss
6-1 6-1

1^st
19 Mar 25

L

Yu Maeda

Y.Maeda
JPN
6-1 6-4

Q.
18 Mar 25

W

Yuya Ando

Y.Ando
JPN
6-1 6-4

q1
17 Mar 25

W

M15 Hinode

Hard

Hikaru Shiraishi

H.Shiraishi
JPN Loss
6-2 6-2

2^nd
13 Mar 25

L

Ryuji Tsutsumino

R.Tsutsumino
JPN
6-4 4-6 6-2

1^st
11 Mar 25

W

M25 Launceston

Hard

Ji Sung Nam

J.Nam
KOR Loss
7-6³ 6-3

1^st
25 Feb 25

L

Adrian Arcon

A.Arcon
AUS
7-6⁵ 6-1

Q.
24 Feb 25

W

Jesse Gothelf

J.Gothelf
AUS
6-1 6-3

q1
23 Feb 25

W

M25 Burnie

Hard

Joshua Charlton

J.Charlton
AUS Loss
6-1 6-3

Q.
17 Feb 25

L

Charlie Pade

C.Pade
AUS
6-2 6-3

q1
16 Feb 25

W

M25 Timaru

Hard

Yu Hsiou Hsu

Y.Hsu
TPE Loss
6-1 6-0

2^nd
13 Feb 25

L

Lev Gorb

L.Gorb
NZL
6-2 6-1

1^st
12 Feb 25

W

Stefan Storch

S.Storch
AUS
6-4 7-6¹

Q.
10 Feb 25

W

Yuan Hao Lin

Y.Lin
TPE
6-0 6-1

q1
09 Feb 25

W

Career Titles - 0

Year	Sum.	Hard	Clay	I.hard	Grass	Carpet
2025	19-20	19-16	0-2	0-2	0-0	0-0
2024	24-27	22-22	2-3	0-2	0-0	0-0
2023	18-24	17-18	0-4	1-2	0-0	0-0
2022	12-14	11-12	1-2	0-0	0-0	0-0
2021	8-10	8-8	0-2	0-0	0-0	0-0
2020	11-11	11-11	0-0	0-0	0-0	0-0
2019	18-26	13-22	1-2	0-0	4-2	0-0
2018	28-27	23-21	4-4	1-1	0-0	0-1
2017	14-32	11-19	2-8	0-2	0-0	1-3
2016	33-33	19-22	13-7	0-2	0-0	1-2
2015	1-4	1-3	0-0	0-1	0-0	0-0
2014	3-3	1-1	0-0	0-1	0-0	2-1
Total	189-231	156-175	23-34	2-13	4-2	4-7

Ranking History