How old is J. Kamiwazumi?

J. Kamiwazumi is 78 years old, born on October 1, 1947.

Is J. Kamiwazumi left-handed or right-handed?

J. Kamiwazumi plays right-handed.

How many Grand Slams has J. Kamiwazumi won?

J. Kamiwazumi has not won a Grand Slam title.

How many Masters 1000 titles has J. Kamiwazumi won?

J. Kamiwazumi has not won a Masters 1000 title.

What is J. Kamiwazumi's highest ATP ranking?

J. Kamiwazumi's career-high ATP singles ranking is world No. 78, first achieved on June 2, 1975.

What is J. Kamiwazumi's career win-loss record?

J. Kamiwazumi has a career ATP singles record of 64 wins and 100 losses (39.0%).

When did J. Kamiwazumi play professional tennis?

J. Kamiwazumi turned professional in 1968 and was active through 1984.

What is J. Kamiwazumi's best surface?

J. Kamiwazumi's best surface is clay court with a 44.2% win rate (34W-43L).

Who is J. Kamiwazumi's biggest rival?

J. Kamiwazumi's most frequent opponent is D. Stockton, with a head-to-head record of 2–2 across 4 meetings.

J. Kamiwazumi

JPN Age 78 Plays: Right-Handed Pro 1968–1984

Peak ranking

78 (Jun 2, 1975)

Elo peak

1628 (38.6%ile)

Career record

64–100 (39.0%)

Career titles

Recent ATP Matches full match log →

Date	Tournament	Category	Round	Surface	Opponent	Score	Result	H2H	Match
Sep 27, 1984*	Honolulu	ATP 250	R32	Hard	F. Gonzalez #123	3-6 2-6	L	H2H	Match data
Oct 30, 1980*	Tokyo Indoor	ATP 250	R32	Carpet	P. Fleming #37	4-6 2-6	L	H2H	Match data
Oct 24, 1980*	Tokyo Outdoor	ATP 250	R16	Clay	P. Rennert #54	3-6 6-7	L	H2H	Match data
Oct 23, 1980*	Tokyo Outdoor	ATP 250	R32	Clay	S. Krulevitz #94	7-5 4-6 6-1	W	H2H	Match data
Oct 22, 1980*	Tokyo Outdoor	ATP 250	R64	Clay	J. Delaney #276	6-2 4-6 7-6	W	H2H	Match data

Rivals full rivalries list →

Opponent	W	L	M	Last Played	H2H
D. Stockton	2	2	4	Jun 8, 1977	H2H
M. Orantes	1	3	4	Aug 14, 1975	H2H
O. Parun	0	3	3	May 13, 1976	H2H
Stan Smith	2	1	3	Apr 18, 1975	—
F. Gonzalez	1	1	2	Sep 27, 1984	H2H

Career Results

Season	Age	W	L	M	Win %	Start Rank	End Rank
1968	20	1	1	2	50.0%	—	—
1969	21	0	1	1	0.0%	—	—
1971	23	6	5	11	54.6%	—	—
1972	24	13	13	26	50.0%	—	—
1973	25	10	16	26	38.5%	123	94
1974	26	14	23	37	37.8%	103	100
1975	27	11	23	34	32.4%	102	127
1976	28	1	10	11	9.1%	138	206
1977	29	1	2	3	33.3%	264	305
1978	30	2	2	4	50.0%	305	284
1979	31	3	1	4	75.0%	257	257
1980	32	2	2	4	50.0%	269	269
1984	36	0	1	1	0.0%	748	745
Career		64	100	164	39.0%	—	—

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 %
1968	20	—	—	—	—	—	—	—	—	1	1	2	50.0%	—	—	—	—	1	1	2	50.0%
1969	21	—	—	—	—	—	—	—	—	0	1	1	0.0%	—	—	—	—	0	1	1	0.0%
1971	23	4	3	7	57.1%	0	1	1	0.0%	2	1	3	66.7%	—	—	—	—	6	5	11	54.5%
1972	24	5	3	8	62.5%	6	5	11	54.5%	2	5	7	28.6%	—	—	—	—	13	13	26	50.0%
1973	25	2	3	5	40.0%	2	6	8	25.0%	6	7	13	46.2%	—	—	—	—	10	16	26	38.5%
1974	26	2	5	7	28.6%	10	11	21	47.6%	0	2	2	0.0%	2	5	7	28.6%	14	23	37	37.8%
1975	27	0	5	5	0.0%	7	10	17	41.2%	1	2	3	33.3%	3	6	9	33.3%	11	23	34	32.4%
1976	28	0	2	2	0.0%	1	6	7	14.3%	0	2	2	0.0%	—	—	—	—	1	10	11	9.1%
1977	29	—	—	—	—	1	1	2	50.0%	0	1	1	0.0%	—	—	—	—	1	2	3	33.3%
1978	30	—	—	—	—	2	1	3	66.7%	—	—	—	—	0	1	1	0.0%	2	2	4	50.0%
1979	31	—	—	—	—	3	1	4	75.0%	—	—	—	—	—	—	—	—	3	1	4	75.0%
1980	32	—	—	—	—	2	1	3	66.7%	—	—	—	—	0	1	1	0.0%	2	2	4	50.0%
1984	36	0	1	1	0.0%	—	—	—	—	—	—	—	—	—	—	—	—	0	1	1	0.0%
Career	—	13	22	35	37.1%	34	43	77	44.2%	12	22	34	35.3%	5	13	18	27.8%	64	100	164	39.0%

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	25	0	1	1	0.0%	0	1	1	0.0%	1	1	2	50.0%	0	0	—	—	1	3	4	25.0%
1974	26	3	2	5	60.0%	0	6	6	0.0%	2	8	10	20.0%	6	2	8	75.0%	11	18	29	37.9%
1975	27	0	2	2	0.0%	1	6	7	14.3%	3	8	11	27.3%	5	2	7	71.4%	9	18	27	33.3%
1976	28	0	0	—	—	0	5	5	0.0%	1	3	4	25.0%	0	0	—	—	1	8	9	11.1%
1977	29	0	0	—	—	0	1	1	0.0%	1	1	2	50.0%	0	0	—	—	1	2	3	33.3%
1978	30	0	0	—	—	0	1	1	0.0%	1	1	2	50.0%	1	0	1	100.0%	2	2	4	50.0%
1979	31	0	0	—	—	0	0	—	—	1	1	2	50.0%	2	0	2	100.0%	3	1	4	75.0%
1980	32	0	0	—	—	0	0	—	—	1	2	3	33.3%	1	0	1	100.0%	2	2	4	50.0%
1984	36	0	0	—	—	0	0	—	—	0	0	—	—	0	1	1	0.0%	0	1	1	0.0%
Career		3	5	8	37.5%	1	20	21	4.8%	11	25	36	30.6%	15	5	20	75.0%	30	55	85	35.3%

Opponent ranking data available for 85/164 (51.8%) of J. Kamiwazumi's ATP main draw matches.

Advanced Stats

Season	Age	ELO	ELO %	Hard %	Clay %	Grass %	Set Win %	Set Margin	SoS %	Deep Run %	Dec. Set W%	TB W	TB L	TB W%
1968	20	1498	75	—	—	—	50.0%	-0.83	13	0	—	0	0	—
1969	21	1483	43	—	—	—	0.0%	-4.50	13	0	—	0	0	—
1971	23	1533	76	70	—	69	52.8%	-0.14	30	20	33	4	0	100
1972	24	1539	75	79	64	26	47.8%	-0.12	33	23	67	1	2	33
1973	25	1524	70	73	28	63	39.7%	-0.69	39	0	63	5	6	45
1974	26	1593	77	64	70	—	38.6%	-0.97	67	9	42	5	3	63
1975	27	1574	73	13	70	41	37.5%	-0.81	60	0	29	4	3	57
1976	28	1517	58	—	58	—	14.8%	-2.28	80	0	—	0	3	0
1977	29	1525	59	—	—	—	42.9%	-1.11	80	0	—	0	0	—
1978	30	1551	63	—	66	—	50.0%	-0.58	54	0	—	1	1	—
1979	31	1591	73	—	73	—	75.0%	+1.75	27	100	—	0	1	—
1980	32	1597	76	—	74	—	40.0%	-0.58	37	0	—	1	1	—
1984	36	1583	60	—	—	—	0.0%	-3.50	23	0	—	0	0	—
Career		1556	72	49	63	47	40.6%	-0.89	53	7	50	21	20	51

Tournament Results by Category

Results show best round reached per tournament per season.

Grand Slams

Season	Age	AO	RG	W	USO	AUS
1968	20	—	—	—	—	R32
1972	24	—	—	R64	R128	—
1973	25	R64	R64	R128	R32	—
1974	26	—	R64	—	R128	—
1975	27	—	R64	R64	R128	—
1976	28	—	R128	R128	—	—

Masters 1000

Season	Age	CIN	ROM	MON	TOR
1972	24	QF	—	R16	—
1973	25	—	R128	—	—
1974	26	QF	—	—	R32
1975	27	—	R32	—	R32
1976	28	—	R64	—	R64

ATP 250

Season	Age	ATL	AUC	BAD	BAR	EAS	HAM	HKG	HOU	KIT	MEL	MUN	NWP	QUE	TKY	WAS	BEC	BOL	BOS	BOU	BRE	BRI	COL	DEN	FOR	HIL	HOB	HON	JAK	JOH	LON	LOU	MAU	MEM	MER	NOT	OSA	PAL	PAL	PER	PHI	SAN	SAO	SYD	SYD	SYD	TOR	TUS
1969	21	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	R64	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
1971	23	—	—	—	—	—	—	—	—	—	R16	R32	—	—	—	—	—	—	—	—	—	—	—	—	—	SF	R32	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	R32	—	—
1972	24	—	—	R32	—	R128	—	QF	R64	R64	—	—	—	R64	—	—	—	—	—	—	—	R16	—	—	—	QF	—	—	—	—	—	—	—	—	R64	—	—	—	—	—	—	—	—	—	—	—	—	—
1973	25	—	R16	—	—	—	R32	—	—	—	—	—	R32	—	R64	—	—	—	—	—	R32	—	R16	—	—	R32	—	—	—	R32	—	—	—	—	R32	—	R16	—	—	—	—	—	—	R32	—	—	—	—
1974	26	—	—	R32	R16	—	—	—	R32	—	—	—	—	—	R16	R64	R64	R32	R16	R32	—	—	—	R32	—	QF	—	—	R32	—	R32	—	—	—	—	—	—	R32	—	—	R32	—	R32	—	—	—	—	R64
1975	27	R32	—	—	—	—	—	—	R16	—	R16	—	—	—	R16	R16	—	—	R64	—	—	—	—	—	R32	—	—	—	—	—	—	R32	R32	R32	—	R64	—	—	—	R32	R128	R32	—	—	R64	—	R16	—
1976	28	—	—	—	—	—	R64	—	—	—	—	—	—	—	R32	—	—	—	—	R32	—	—	R64	—	—	—	—	—	—	—	—	—	—	—	—	R64	—	—	R64	—	—	—	—	—	—	—	—	—
1977	29	—	—	—	—	—	—	—	—	—	—	—	—	—	R32	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	R64	—	—	—	—	—	—	—	—	—	—	—	—
1978	30	—	—	—	—	—	—	—	—	—	—	—	—	—	R32	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	R16	—	—	—	—	—	—	—	—	—	—	—
1979	31	—	—	—	—	—	—	—	—	—	—	—	—	—	QF	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
1980	32	—	—	—	—	—	—	—	—	—	—	—	—	—	R16	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
1984	36	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	R32	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—

ATP Ranking History full ranking history →

Career high

Career-high date

Jun 2, 1975

First top 100

Sep 17, 1973

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
1973	25	—	—	—	—	—	—	—	123	84	79	93	94
1974	26	—	—	103	105	106	99	114	106	105	—	102	100
1975	27	102	—	98	94	81	87	—	—	—	—	—	127
1976	28	—	—	—	—	—	138	—	—	—	—	—	206
1977	29	—	—	—	—	—	—	264	—	—	—	—	—
1978	30	298	—	—	—	—	—	355	—	—	—	—	284
1979	31	—	—	—	—	—	—	—	—	—	—	—	257
1980	32	—	—	—	—	—	—	—	—	—	—	—	269
1984	36	—	—	—	—	—	—	—	—	—	739	726	745
1985	37	738	749	754	749	761	766	798	808	808	—	—	—

Similar Players

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

Player	Country	Peak Rank	Peak Elo	Titles	M	W	L	Win %	Active Years	Match Log
J. Kuki	JPN	78	1,662	0	207	73	134	35.3%	1968-1982	Match log
K. Watanabe	JPN	1,188	1,542	0	30	11	19	36.7%	1968-1972	Match log
K. Tanabe	JPN	669	1,576	0	37	11	26	29.7%	1971-1982	Match log
I. Tiriac	ROU	55	1,899	8	418	228	190	54.5%	1968-1979	Match log
B. Carmichael	AUS	55	1,903	1	471	215	256	45.6%	1968-1979	Match log
G. Goven	FRA	56	1,871	1	433	203	230	46.9%	1968-1984	Match log
G. Battrick	GBR	59	1,888	4	386	186	200	48.2%	1968-1976	Match log
P. Barthes	FRA	57	1,887	0	375	185	190	49.3%	1968-1977	Match log
H. Kary	AUT	54	1,772	1	366	150	216	41.0%	1968-1982	Match log
P. Cornejo	CHI	65	1,708	0	344	142	202	41.3%	1968-1978	Match log
J. McManus	USA	90	1,730	0	354	132	222	37.3%	1968-1978	Match log
S. Ball	AUS	63	1,725	0	307	126	181	41.0%	1968-1982	Match log

Frequently Asked Questions

How old is J. Kamiwazumi?: J. Kamiwazumi is 78 years old, born on October 1, 1947.
Which country is J. Kamiwazumi from?: J. Kamiwazumi is from Japan.
Is J. Kamiwazumi left-handed or right-handed?: J. Kamiwazumi plays right-handed.
How many Grand Slams has J. Kamiwazumi won?: J. Kamiwazumi has not won a Grand Slam title.
How many Masters 1000 titles has J. Kamiwazumi won?: J. Kamiwazumi has not won a Masters 1000 title.
What is J. Kamiwazumi's highest ATP ranking?: J. Kamiwazumi's career-high ATP singles ranking is world No. 78, first achieved on June 2, 1975.
What is J. Kamiwazumi's career win-loss record?: J. Kamiwazumi has a career ATP singles record of 64 wins and 100 losses (39.0%).
When did J. Kamiwazumi play professional tennis?: J. Kamiwazumi turned professional in 1968 and was active through 1984.
What is J. Kamiwazumi's best surface?: J. Kamiwazumi's best surface is clay court with a 44.2% win rate (34W-43L).
Who is J. Kamiwazumi's biggest rival?: J. Kamiwazumi's most frequent opponent is D. Stockton, with a head-to-head record of 2–2 across 4 meetings.