Is O. Ishiguro left-handed or right-handed?

O. Ishiguro plays right-handed.

How many Grand Slams has O. Ishiguro won?

O. Ishiguro has not won a Grand Slam title.

How many Masters 1000 titles has O. Ishiguro won?

O. Ishiguro has not won a Masters 1000 title.

What is O. Ishiguro's highest ATP ranking?

O. Ishiguro's career-high ATP singles ranking is world No. 228, first achieved on March 10, 1975.

What is O. Ishiguro's career win-loss record?

O. Ishiguro has a career ATP singles record of 0 wins and 6 losses (0.0%).

When did O. Ishiguro play professional tennis?

O. Ishiguro turned professional in 1971 and was active through 1975.

Who is O. Ishiguro's biggest rival?

O. Ishiguro's most frequent opponent is Barry Phillips Moore, with a head-to-head record of 0–1 across 1 meeting.

O. Ishiguro

JPN Died Nov 9, 2016 (age 80) Plays: Right-Handed Pro 1971–1975

Peak ranking

228 (Mar 10, 1975)

Elo peak

1500 (3.4%ile)

Career record

0–6 (0.0%)

Career titles

Recent ATP Matches full match log →

Date	Tournament	Category	Round	Surface	Opponent	Score	Result	H2H	Match
Apr 17, 1975*	Tokyo Indoor	ATP 250	R32	Carpet	Barry Phillips Moore	3-6 2-6	L	—	Match data
Oct 15, 1974*	Tokyo	ATP 250	R64	Hard	R. Rheinberger #179	6-3 3-6 4-6	L	H2H	Match data
Apr 11, 1974*	Tokyo Wct	ATP 250	R32	Clay	A. Zugarelli #83	2-6 4-6	L	H2H	Match data
Nov 1, 1973*	Hong Kong	ATP 250	R32	Hard	J. McManus #94	1-6 2-6	L	H2H	Match data
Oct 10, 1973*	Osaka	ATP 250	R32	Hard	Paul Kronk	6-3 6-7 6-7	L	—	Match data

Rivals full rivalries list →

Opponent	L	M	Last Played	H2H
Barry Phillips Moore	1	1	Apr 17, 1975	—
R. Rheinberger	1	1	Oct 15, 1974	H2H
A. Zugarelli	1	1	Apr 11, 1974	H2H
J. McManus	1	1	Nov 1, 1973	H2H
Paul Kronk	1	1	Oct 10, 1973	—

Career Results

Season	Age	L	M	Win %	Start Rank	End Rank
1971	34	1	1	0.0%	—	—
1973	36	2	2	0.0%	—	—
1974	37	2	2	0.0%	297	318
1975	38	1	1	0.0%	323	373
Career		6	6	0.0%	—	—

Career Results by Surface

Season	Age	Hard				Clay				Grass				Carpet				Total
Season	Age	W	L	M	Win %	W	L	M	Win %	W	L	M	Win %	W	L	M	Win %	W	L	M	Win %
1971	34	—	—	—	—	—	—	—	—	0	1	1	0.0%	—	—	—	—	0	1	1	0.0%
1973	36	0	2	2	0.0%	—	—	—	—	—	—	—	—	—	—	—	—	0	2	2	0.0%
1974	37	0	1	1	0.0%	0	1	1	0.0%	—	—	—	—	—	—	—	—	0	2	2	0.0%
1975	38	—	—	—	—	—	—	—	—	—	—	—	—	0	1	1	0.0%	0	1	1	0.0%
Career	—	0	3	3	0.0%	0	1	1	0.0%	0	1	1	0.0%	0	1	1	0.0%	0	6	6	0.0%

Career Results by Opponent Rank

Season	Age	1-10				11-30				31-100				100+				Total
Season	Age	W	L	M	Win %	W	L	M	Win %	W	L	M	Win %	W	L	M	Win %	W	L	M	Win %
1973	36	0	0	—	—	0	0	—	—	0	1	1	0.0%	0	0	—	—	0	1	1	0.0%
1974	37	0	0	—	—	0	0	—	—	0	1	1	0.0%	0	1	1	0.0%	0	2	2	0.0%
Career		0	0	—	—	0	0	—	—	0	2	2	0.0%	0	1	1	0.0%	0	3	3	0.0%

Opponent ranking data available for 3/6 (50.0%) of O. Ishiguro's ATP main draw matches.

Advanced Stats

Season	Age	ELO	ELO %	Hard %	Clay %	Grass %	Set Win %	Set Margin	SoS %	Dec. Set W%	TB L	TB W%
1971	34	1488	54	—	—	—	0.0%	-3.00	65	—	0	—
1973	36	1458	17	—	—	—	20.0%	-2.09	11	—	2	—
1974	37	1432	10	—	—	—	20.0%	-1.84	12	—	0	—
1975	38	1425	7	—	—	—	0.0%	-3.50	29	—	0	—
Career		1449	19	14	—	—	13.3%	-2.39	23	—	2	—

Tournament Results by Category

Results show best round reached per tournament per season.

Grand Slams

Season	Age	AO
1971	34	R64

ATP 250

Season	Age	HKG	TKY	OSA
1973	36	R32	—	R32
1974	37	—	R32	—
1975	38	—	R32	—

ATP Ranking History full ranking history →

Career high

228

Career-high date

Mar 10, 1975

First top 100

—

First top 50

—

First top 20

—

First top 10

—

Ranking History Matrix

Season	Age	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
1974	37	—	—	—	—	—	—	—	—	—	—	297	318
1975	38	323	—	228	383	333	330	—	—	—	—	—	373

Similar Players

Other ATP players ranked by a composite similarity score over country, era, and peak rank.

Player	Country	Peak Rank	Peak Elo	Grand Slams	Titles	M	W	L	Win %	Active Years	Match Log
K. Tanabe	JPN	669	1,576	0	0	37	11	26	29.7%	1971-1982	Match log
K. Hirai	JPN	180	1,505	0	0	39	7	32	17.9%	1971-1981	Match log
I. Watanabe	JPN	274	1,500	0	0	11	4	7	36.4%	1968-1974	Match log
D. Ralston	USA	115	1,954	0	6	293	157	136	53.6%	1968-1980	Match log
B. Bowrey	AUS	162	1,752	1	3	236	122	114	51.7%	1968-1975	Match log
J. Osborne	USA	211	1,817	0	0	239	118	121	49.4%	1968-1982	Match log
M. Santana	ESP	145	1,994	0	11	163	113	50	69.3%	1968-1978	Match log
E. Buchholz	USA	156	1,941	0	6	179	98	81	54.7%	1968-1978	Match log
M. Anderson	AUS	125	1,932	0	3	135	81	54	60.0%	1968-1981	Match log
M. Belkin	CAN	128	1,774	0	2	135	77	58	57.0%	1968-1975	Match log
J. Rouyer	FRA	133	1,747	0	0	138	69	69	50.0%	1968-1974	Match log
R. Keldie	AUS	113	1,622	0	0	170	64	106	37.6%	1968-1975	Match log

Frequently Asked Questions

Which country is O. Ishiguro from?: O. Ishiguro is from Japan.
Is O. Ishiguro left-handed or right-handed?: O. Ishiguro plays right-handed.
How many Grand Slams has O. Ishiguro won?: O. Ishiguro has not won a Grand Slam title.
How many Masters 1000 titles has O. Ishiguro won?: O. Ishiguro has not won a Masters 1000 title.
What is O. Ishiguro's highest ATP ranking?: O. Ishiguro's career-high ATP singles ranking is world No. 228, first achieved on March 10, 1975.
What is O. Ishiguro's career win-loss record?: O. Ishiguro has a career ATP singles record of 0 wins and 6 losses (0.0%).
When did O. Ishiguro play professional tennis?: O. Ishiguro turned professional in 1971 and was active through 1975.
Who is O. Ishiguro's biggest rival?: O. Ishiguro's most frequent opponent is Barry Phillips Moore, with a head-to-head record of 0–1 across 1 meeting.