Player data updated: 2026-10-17 16:37 UTC

Jun Kamiwazumi

JPN Age 79 Plays: Right-Handed ATP Tour years active: 1968–1984

Jun Kamiwazumi represented Japan on the ATP Tour and reached a career high of No. 78. TennisDB's records show a singles record of 64–99 and no singles titles.

Peak singles rank

78 (Jun 2, 1975)

Elo peak

1624 (38th percentile)

Singles record

64–99 (39.3%)

Singles titles

Records cover recorded main-draw singles results in TennisDB's ATP event archive, including credited walkovers; qualifying is shown separately below.

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ATP Matches full match log →

Jun Kamiwazumi's recent, live, and scheduled ATP matches
Opponent	Score	Result	H2H	Match Data	Date	Round	Tournament	Category	Surface
Francisco Gonzalez #123	3-6 2-6	L	H2H	Match data	Sep 27, 1984*	R32	Honolulu	ATP 250	Hard
Peter Fleming #37	4-6 2-6	L	H2H	Match data	Oct 30, 1980*	R32	Tokyo Indoor	ATP 250	Carpet
Peter Rennert #54	3-6 6-7	L	H2H	Match data	Oct 24, 1980*	R16	Japan Open	ATP 250	Clay
Steve Krulevitz	7-5 4-6 6-1	W	H2H	Match data	Oct 23, 1980*	R32	Japan Open	ATP 250	Clay
Jim Delaney	6-2 4-6 7-6	W	H2H	Match data	Oct 22, 1980*	R64	Japan Open	ATP 250	Clay

Rivals all rivalries →

Jun Kamiwazumi's most-played ATP rivals
Opponent	W	L	M	Last Played	H2H
Dick Stockton	2	2	4	Jun 8, 1977	H2H
Manuel Orantes	1	3	4	Aug 14, 1975	H2H
Onny Parun	0	3	3	May 13, 1976	H2H
Stan Smith	2	1	3	Apr 18, 1975	H2H
Francisco Gonzalez	1	1	2	Sep 27, 1984	H2H

Career Results

Jun Kamiwazumi career results by season
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	22	36	38.9%	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	264
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	99	163	39.3%	—	—

Career Results by Surface

Jun Kamiwazumi career results by season and 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	4	6	33.3%	10	11	21	47.6%	0	2	2	0.0%	2	5	7	28.6%	14	22	36	38.9%
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	21	34	38.2%	34	43	77	44.2%	12	22	34	35.3%	5	13	18	27.8%	64	99	163	39.3%

Career Results by Opponent Rank

Jun Kamiwazumi career results by season and 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	0	0	—	—	0	2	2	0.0%	0	3	3	0.0%	2	0	2	100.0%	2	5	7	28.6%
1975	27	0	0	—	—	1	1	2	50.0%	1	2	3	33.3%	2	0	2	100.0%	4	3	7	57.1%
1976	28	0	0	—	—	0	0	—	—	0	1	1	0.0%	0	0	—	—	0	1	1	0.0%
1977	29	0	0	—	—	0	1	1	0.0%	1	0	1	100.0%	0	0	—	—	1	1	2	50.0%
1978	30	0	0	—	—	0	1	1	0.0%	1	1	2	50.0%	0	0	—	—	1	2	3	33.3%
1979	31	0	0	—	—	0	0	—	—	1	1	2	50.0%	0	0	—	—	1	1	2	50.0%
1980	32	0	0	—	—	0	0	—	—	0	2	2	0.0%	0	0	—	—	0	2	2	0.0%
1984	36	0	0	—	—	0	0	—	—	0	0	—	—	0	1	1	0.0%	0	1	1	0.0%
Career		0	1	1	0.0%	1	6	7	14.3%	5	11	16	31.2%	4	1	5	80.0%	10	19	29	34.5%

Opponent ranking data available for 29/163 (17.8%) of Jun Kamiwazumi's ATP main draw matches.

Advanced Stats

Jun Kamiwazumi advanced statistics by season
Season	Age	Elo	P+	Serve+	Return+	PD	TPW%	Hard Elo	Clay Elo	Grass Elo	Set Win %	Set Margin	Dec. Set	Tiebreak	Pressure+	Schedule
1968	20	1498	97.2	—	—	—	—	—	—	—	50.0%	-0.83	—	—	—	+0.25
1969	21	1483	95.1	—	—	—	—	—	—	—	0.0%	-4.50	—	—	—	+0.04
1971	23	1535	104.7	—	—	—	—	+40	—	+24	52.8%	-0.42	1–2 (33%)	4–0 (100%)	102.6	+1.62
1972	24	1537	106.9	—	—	—	—	+69	+52	-33	47.8%	-0.15	6–3 (67%)	1–2 (33%)	103.3	+3.48
1973	25	1526	111.0	—	—	—	—	+84	-9	+17	39.7%	-0.59	5–3 (63%)	5–6 (45%)	103.9	+1.56
1974	26	1579	122.1	—	—	—	—	-11	+27	—	38.8%	-0.85	5–6 (45%)	5–3 (63%)	102.1	+0.29
1975	27	1570	124.1	—	—	—	—	-81	+30	-44	37.5%	-0.76	2–5 (29%)	4–3 (57%)	97.0	-0.39
1976	28	1515	119.5	—	—	—	—	—	+32	—	14.8%	-2.19	1–1	0–3 (0%)	—	-1.33
1977	29	1523	106.2	—	—	—	—	—	—	—	42.9%	-1.14	0–1	—	—	-0.19
1978	30	1550	104.8	—	—	—	—	—	+38	—	50.0%	-0.40	1–1	1–1	—	-0.01
1979	31	1589	113.2	—	—	—	—	—	+29	—	75.0%	+1.75	—	0–1	—	+0.47
1980	32	1596	103.5	—	—	—	—	—	+22	—	40.0%	-0.20	2–0	1–1	—	+0.26
1984	36	1581	98.5	—	—	—	—	—	—	—	0.0%	-3.50	—	—	—	+0.05
Career		1624	119.1	—	—	—	—	-1	+28	-3	40.7%	-0.68	23–22 (51%)	21–20 (51%)	104.4	+3.79

Tournament Results by Category

Grand Slams

Jun Kamiwazumi Grand Slams results by season
Season	Age	AO	RG	W	USO	AO	W-L Win %
1968	20	—	—	—	—	R32	1–1 (50%)
1972	24	—	—	R64	R128	—	1–2 (33%)
1973	25	R64	R64	R128	R32	—	3–4 (43%)
1974	26	—	R64	—	R128	—	1–2 (33%)
1975	27	—	R64	R64	R128	—	2–3 (40%)
1976	28	—	R128	R128	—	—	0–2 (0%)
W-L		0–1 (0%)	3–4 (43%)	2–4 (33%)	2–4 (33%)	1–1 (50%)	8–14 (36%)

ATP 500

Jun Kamiwazumi ATP 500 results by season
Season	Age	ITA	CAN	CAN	W-L Win %
1972	24	—	R16	—	3–1 (75%)
1973	25	R128	—	—	0–1 (0%)
1974	26	—	—	R32	1–1 (50%)
1975	27	R32	—	R32	2–2 (50%)
1976	28	R64	—	R64	0–2 (0%)
W-L		1–3 (25%)	3–1 (75%)	2–3 (40%)	6–7 (46%)

ATP 250

Jun Kamiwazumi ATP 250 results by season
Season	Age	ATL	ASB	SWE	BAR	CIN	HAM	HKG	HOU	AUS	MEL	MUN	NAP	NWP	QUE	TKY	WAS	BEC	BOL	BOU	BRE	BRI	COL	DEN	DUT	FOR	HOB	HON	JAK	LON	LOU	MAN	MAU	MEM	MER	EAS	TKY	PAL	IW	PER	PHI	SAN	SAO	SOU	SYD	SYD	TOR	U.S	W-L Win %
1969	21	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	R64	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	0–1 (0%)
1971	23	—	—	—	—	—	—	—	—	—	R16	R32	—	—	—	—	—	—	—	—	—	—	—	—	SF	—	R32	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	R32	—	—	6–5 (55%)
1972	24	—	—	R32	—	QF	—	QF	—	R64	—	—	R64	—	R64	—	—	—	—	—	—	R16	—	—	QF	—	—	—	—	—	—	R128	—	—	R64	—	—	—	—	—	—	—	—	—	—	—	—	—	8–10 (44%)
1973	25	—	R16	—	—	—	R32	—	—	—	—	—	—	R32	—	R64	—	—	—	—	R32	—	R16	—	R32	—	—	—	—	—	—	—	—	—	R32	—	R16	—	—	—	—	—	—	R32	—	R32	—	—	7–11 (39%)
1974	26	—	—	R32	R16	QF	—	—	R32	—	—	—	R64	—	—	R16	R64	R64	R32	R32	—	—	—	R32	QF	—	—	—	R32	R32	—	—	—	—	—	—	—	R32	—	—	R32	—	R32	—	—	—	—	R16	11–18 (38%)
1975	27	R32	—	—	—	—	—	—	R16	—	R16	—	R64	—	—	R16	R16	—	—	—	—	—	—	—	—	R32	—	—	—	—	R32	—	R32	R32	—	R64	—	—	—	R32	R128	R32	—	—	R64	—	R16	R64	6–17 (26%)
1976	28	—	—	—	—	—	R64	—	—	—	—	—	—	—	—	R32	—	—	—	R32	—	—	R64	—	—	—	—	—	—	—	—	—	—	—	—	R64	—	—	R64	—	—	—	—	—	—	—	—	—	1–6 (14%)
1977	29	—	—	—	—	—	—	—	—	—	—	—	—	—	—	R32	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	R64	—	—	—	—	—	—	—	—	—	—	—	—	1–2 (33%)
1978	30	—	—	—	—	—	—	—	—	—	—	—	—	—	—	R32	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	R16	—	—	—	—	—	—	—	—	—	—	—	2–2 (50%)
1979	31	—	—	—	—	—	—	—	—	—	—	—	—	—	—	QF	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	3–1 (75%)
1980	32	—	—	—	—	—	—	—	—	—	—	—	—	—	—	R16	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	2–1 (67%)
1984	36	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	R32	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	0–1 (0%)
W-L		0–1 (0%)	1–1 (50%)	0–2 (0%)	1–1 (50%)	5–2 (71%)	1–2 (33%)	1–1 (50%)	1–2 (33%)	0–1 (0%)	3–2 (60%)	0–1 (0%)	0–3 (0%)	1–1 (50%)	0–1 (0%)	9–8 (53%)	1–2 (33%)	0–1 (0%)	0–1 (0%)	2–2 (50%)	0–1 (0%)	1–1 (50%)	1–2 (33%)	0–1 (0%)	8–4 (67%)	0–1 (0%)	0–2 (0%)	0–1 (0%)	0–1 (0%)	0–1 (0%)	1–1 (50%)	0–1 (0%)	0–1 (0%)	0–1 (0%)	1–2 (33%)	0–3 (0%)	3–2 (60%)	0–1 (0%)	0–1 (0%)	0–1 (0%)	1–2 (33%)	0–1 (0%)	0–1 (0%)	0–1 (0%)	0–1 (0%)	2–2 (50%)	1–1 (50%)	2–2 (50%)	47–75 (39%)

Results show the best round reached per tournament and season.

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

Jun Kamiwazumi ranking history by month and season
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	—	—	—	—

Similar Players

Other ATP players with comparable peak level, era, career record, and career scale.

Jun Kamiwazumi's most statistically similar ATP players
Player	Country	Peak ranking	Peak Elo	M	W	L	Win %	Prize money	Years	Rivalries	Match log
David Carter	AUS	#78	1,732	195	76	119	39.0%	$238,612	1970–1984	Rivalries	Match log
Jun Kuki	JPN	#78	1,662	207	73	134	35.3%	—	1968–1982	Rivalries	Match log
Bernard Fritz	FRA	#79	1,696	135	53	82	39.3%	—	1977–1984	Rivalries	Match log
John James	AUS	#81	1,682	242	98	144	40.5%	$2,210	1968–1982	Rivalries	Match log
John Whitlinger	USA	#75	1,630	122	45	77	36.9%	—	1973–1980	Rivalries	Match log
Steve Docherty	AUS	#74	1,636	122	46	76	37.7%	—	1972–1981	Rivalries	Match log
Richard Lewis	GBR	#77	1,656	183	67	116	36.6%	$547	1972–1984	Rivalries	Match log
John Paish	GBR	#80	1,690	111	43	68	38.7%	—	1968–1980	Rivalries	Match log
Antonio Munoz	ESP	#74	1,695	281	108	173	38.4%	—	1968–1981	Rivalries	Match log
George Hardie	USA	#80	1,635	221	77	144	34.8%	—	1972–1981	Rivalries	Match log
Pavel Hutka	CZE	#84	1,657	102	39	63	38.2%	—	1968–1981	Rivalries	Match log
Louk Sanders	NED	#86	1,646	126	47	79	37.3%	—	1972–1982	Rivalries	Match log

Frequently Asked Questions

How old is Jun Kamiwazumi?: Jun Kamiwazumi is 79 years old, born on October 1, 1947.
Which country does Jun Kamiwazumi represent?: Jun Kamiwazumi represents Japan in TennisDB's ATP records.
Is Jun Kamiwazumi left-handed or right-handed?: Jun Kamiwazumi plays right-handed.
How many Grand Slam singles titles has Jun Kamiwazumi won?: Jun Kamiwazumi has not won a Grand Slam singles title.
How many Masters 1000 titles has Jun Kamiwazumi won?: TennisDB does not group any of Jun Kamiwazumi's titles under the modern Masters 1000 category.
What is Jun Kamiwazumi's highest ATP ranking?: Jun Kamiwazumi's career-high ATP singles ranking is world No. 78, first achieved on June 2, 1975.
What is Jun Kamiwazumi's career win-loss record?: Jun Kamiwazumi has a career ATP singles record of 64 wins and 99 losses (39.3%).
Which seasons of Jun Kamiwazumi's career appear in TennisDB?: Jun Kamiwazumi appears in TennisDB's ATP main-tour match records from 1968 through 1984.
On which surface does Jun Kamiwazumi have the highest recorded win rate?: Among surfaces with at least 20 recorded matches, Jun Kamiwazumi's highest ATP main-draw win rate is on clay: 44.2% (34–43).
Who has Jun Kamiwazumi faced most often?: Jun Kamiwazumi's most frequent opponent is Dick Stockton, with a head-to-head record of 2–2 across 4 meetings.