Player data updated: 2026-09-04 02:15 UTC

Jun Kuki

JPN Age 80 Plays: Right-Handed ATP Tour years active: 1968–1982

Jun Kuki represented Japan on the ATP Tour and reached a career-high ranking of No. 78. In TennisDB's records, Jun Kuki finished with a career record of 73–134 and no singles titles.

Peak singles rank

78 (Dec 13, 1976)

Elo peak

1663 (47th percentile)

Singles record

73–134 (35.3%)

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 Kuki's recent, live, and scheduled ATP matches
Opponent	Score	Result	H2H	Match Data	Date	Round	Tournament	Category	Surface
Peter Rennert	6-3 2-6 5-7	L	H2H	Match data	Oct 21, 1982*	R32	Japan Open	ATP 250	Clay
Kaoru Maruyama	6-0 6-2	W	H2H	Match data	Oct 20, 1982*	R64	Japan Open	ATP 250	Clay
Balazs Taroczy #18	1-6 2-6	L	H2H	Match data	Oct 23, 1981*	R16	Japan Open	ATP 250	Clay
Shigeyuki Nishio	6-3 6-4	W	H2H	Match data	Oct 22, 1981*	R32	Japan Open	ATP 250	Clay
Ramesh Krishnan	6-2 7-6	W	H2H	Match data	Oct 21, 1981*	R64	Japan Open	ATP 250	Clay

Rivals all rivalries →

Jun Kuki's most-played ATP rivals
Opponent	W	L	M	Last Played	H2H
Ross Case	0	5	5	Oct 22, 1980	H2H
Paolo Bertolucci	0	4	4	Apr 22, 1977	H2H
Dick Crealy	0	4	4	Aug 11, 1976	H2H
Balazs Taroczy	1	2	3	Oct 23, 1981	H2H
Adriano Panatta	0	3	3	Oct 28, 1978	H2H

Career Results

Jun Kuki career results by season
Season	Age	W	L	M	Win %	Start Rank	End Rank
1968	22	2	6	8	25.0%	—	—
1969	23	1	4	5	20.0%	—	—
1970	24	3	12	15	20.0%	—	—
1971	25	9	12	21	42.9%	—	—
1972	26	5	12	17	29.4%	—	—
1973	27	3	8	11	27.3%	196	217
1974	28	10	17	27	37.0%	217	101
1975	29	11	28	39	28.2%	88	161
1976	30	19	17	36	52.8%	79	78
1977	31	3	11	14	21.4%	78	171
1978	32	3	2	5	60.0%	201	146
1979	33	1	2	3	33.3%	389	389
1980	34	0	1	1	0.0%	356	356
1981	35	2	1	3	66.7%	—	—
1982	36	1	1	2	50.0%	—	—
Career		73	134	207	35.3%	—	—

Career Results by Surface

Jun Kuki 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	22	0	1	1	0.0%	1	2	3	33.3%	1	3	4	25.0%	—	—	—	—	2	6	8	25.0%
1969	23	—	—	—	—	1	2	3	33.3%	0	2	2	0.0%	—	—	—	—	1	4	5	20.0%
1970	24	1	4	5	20.0%	2	8	10	20.0%	—	—	—	—	—	—	—	—	3	12	15	20.0%
1971	25	3	4	7	42.9%	3	5	8	37.5%	3	3	6	50.0%	—	—	—	—	9	12	21	42.9%
1972	26	2	3	5	40.0%	0	2	2	0.0%	3	5	8	37.5%	0	2	2	0.0%	5	12	17	29.4%
1973	27	2	1	3	66.7%	0	5	5	0.0%	1	2	3	33.3%	—	—	—	—	3	8	11	27.3%
1974	28	6	5	11	54.5%	3	10	13	23.1%	1	2	3	33.3%	—	—	—	—	10	17	27	37.0%
1975	29	1	3	4	25.0%	6	16	22	27.3%	1	3	4	25.0%	3	6	9	33.3%	11	28	39	28.2%
1976	30	0	1	1	0.0%	19	16	35	54.3%	—	—	—	—	—	—	—	—	19	17	36	52.8%
1977	31	0	1	1	0.0%	3	9	12	25.0%	—	—	—	—	0	1	1	0.0%	3	11	14	21.4%
1978	32	—	—	—	—	3	1	4	75.0%	—	—	—	—	0	1	1	0.0%	3	2	5	60.0%
1979	33	—	—	—	—	1	1	2	50.0%	—	—	—	—	0	1	1	0.0%	1	2	3	33.3%
1980	34	—	—	—	—	0	1	1	0.0%	—	—	—	—	—	—	—	—	0	1	1	0.0%
1981	35	—	—	—	—	2	1	3	66.7%	—	—	—	—	—	—	—	—	2	1	3	66.7%
1982	36	—	—	—	—	1	1	2	50.0%	—	—	—	—	—	—	—	—	1	1	2	50.0%
Career	—	15	23	38	39.5%	45	80	125	36.0%	10	20	30	33.3%	3	11	14	21.4%	73	134	207	35.3%

Career Results by Opponent Rank

Jun Kuki 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	27	0	1	1	0.0%	0	0	—	—	1	1	2	50.0%	0	0	—	—	1	2	3	33.3%
1974	28	0	1	1	0.0%	1	2	3	33.3%	4	2	6	66.7%	1	2	3	33.3%	6	7	13	46.2%
1975	29	0	1	1	0.0%	0	0	—	—	0	3	3	0.0%	1	2	3	33.3%	1	6	7	14.3%
1977	31	0	1	1	0.0%	0	3	3	0.0%	1	4	5	20.0%	0	0	—	—	1	8	9	11.1%
1978	32	0	0	—	—	0	1	1	0.0%	2	0	2	100.0%	0	0	—	—	2	1	3	66.7%
1979	33	0	0	—	—	0	0	—	—	0	2	2	0.0%	0	0	—	—	0	2	2	0.0%
1981	35	0	0	—	—	0	1	1	0.0%	0	0	—	—	0	0	—	—	0	1	1	0.0%
Career		0	4	4	0.0%	1	7	8	12.5%	8	12	20	40.0%	2	4	6	33.3%	11	27	38	28.9%

Opponent ranking data available for 38/207 (18.4%) of Jun Kuki's ATP main draw matches.

Advanced Stats

Jun Kuki 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	22	1450	95.3	—	—	—	—	—	+51	+26	28.6%	-1.24	1–1	—	—	+0.12
1969	23	1429	100.1	—	—	—	—	—	+67	—	27.3%	-1.36	0–1	—	—	-0.21
1970	24	1406	102.7	—	—	—	—	+97	+39	—	20.6%	-1.82	—	—	—	+0.02
1971	25	1494	105.6	—	—	—	—	+1	-24	-8	44.6%	-0.34	1–1	0–1	—	+1.29
1972	26	1459	107.2	—	—	—	—	+12	—	+4	31.6%	-1.13	1–3 (25%)	0–1	—	+0.50
1973	27	1458	113.8	—	—	—	—	+78	-34	-13	38.7%	-0.39	1–3 (25%)	1–1	—	+0.44
1974	28	1592	122.3	—	—	—	—	+41	-171	-166	38.5%	-0.88	5–5 (50%)	6–5 (55%)	103.6	-0.22
1975	29	1456	114.7	—	—	—	—	+107	-47	-22	36.2%	-0.93	4–11 (27%)	3–1 (75%)	95.9	+3.22
1976	30	1612	137.0	—	—	—	—	—	+8	—	51.2%	+0.07	2–4 (33%)	2–4 (33%)	99.1	+1.67
1977	31	1548	117.9	—	—	—	—	—	+32	—	28.1%	-1.66	0–3 (0%)	1–1	—	+0.17
1978	32	1587	113.7	—	—	—	—	—	+35	—	54.5%	+0.64	1–0	0–1	—	+0.21
1979	33	1579	107.2	—	—	—	—	—	—	—	42.9%	-0.14	0–1	—	—	+0.13
1980	34	1566	100.7	—	—	—	—	—	—	—	0.0%	-3.00	—	—	—	0.00
1981	35	1598	110.7	—	—	—	—	—	+26	—	66.7%	+0.17	—	1–0	—	-0.14
1982	36	1597	106.2	—	—	—	—	—	—	—	60.0%	+1.40	0–1	—	—	+0.16
Career		1663	121.6	—	—	—	—	+58	-17	-19	38.6%	-0.73	16–34 (32%)	14–15 (48%)	94.6	+3.59

Tournament Results by Category

Grand Slams

Jun Kuki Grand Slams results by season
Season	Age	AO	RG	W	USO	W-L Win %
1970	24	—	R128	—	—	0–1 (0%)
1971	25	—	R32	R128	R64	3–3 (50%)
1972	26	R32	—	—	R128	1–2 (33%)
1973	27	R64	R128	R64	—	1–3 (25%)
1974	28	—	R64	—	R128	1–2 (33%)
1975	29	R64	R128	R128	R128	0–4 (0%)
1976	30	—	R64	—	R128	1–2 (33%)
1977	31	—	R128	—	—	0–1 (0%)
W-L		1–3 (25%)	4–7 (36%)	1–3 (25%)	1–5 (17%)	7–18 (28%)

ATP 500

Jun Kuki ATP 500 results by season
Season	Age	CIN	ITA	CAN	W-L Win %
1971	25	R64	—	—	0–1 (0%)
1973	27	—	R128	—	0–1 (0%)
1974	28	—	R64	R32	1–2 (33%)
1975	29	—	R64	R64	0–2 (0%)
1976	30	—	R16	R32	3–2 (60%)
W-L		0–1 (0%)	2–4 (33%)	2–3 (40%)	4–8 (33%)

ATP 250

Jun Kuki ATP 250 results by season
Season	Age	ADE	SWE	BAR	BRI	CIN	FLR	GST	HAM	HKG	HOU	AUS	MAD	MEL	MIA	MUN	NAP	SPB	TKY	WAS	ALB	BAR	BEC	MIA	BOS	BOU	CAR	CUR	DAY	DUT	FAI	HAM	HAV	IST	JAK	AUS	LIT	LOS	LOS	LOU	MAN	MER	MIL	MUR	NEW	NIC	NOR	EAS	ORL	TKY	PAL	PER	SAC	SAL	SAN	SAN	SEA	SHR	SOU	SYD	SYD	CAN	U.S	W-L Win %
1968	22	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	R32	—	—	—	—	—	—	—	R64	—	—	—	—	—	—	—	R64	—	—	—	—	—	R64	—	—	—	R64	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	R64	—	—	—	—	2–6 (25%)
1969	23	—	—	—	—	R64	—	—	—	—	—	—	—	—	—	—	R64	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	R64	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	R64	—	—	—	—	1–4 (20%)
1970	24	—	—	—	—	—	—	R32	R64	—	R32	—	—	—	—	R32	—	R32	—	—	—	R32	—	—	—	—	R32	R16	—	R64	—	—	—	—	—	R32	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	R64	—	—	—	—	—	—	—	3–11 (21%)
1971	25	—	R32	—	R16	—	—	—	—	—	—	R32	—	—	—	—	R32	—	—	—	—	—	—	—	—	—	—	—	—	QF	—	—	—	—	—	—	—	R64	—	—	—	R64	—	—	—	—	—	—	—	—	—	—	R64	—	—	—	—	—	—	—	—	—	—	6–8 (43%)
1972	26	R32	—	—	R16	R64	—	—	—	R32	—	—	—	—	—	—	R64	—	—	—	R64	—	—	—	—	—	—	—	—	R32	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	R32	—	—	—	R32	—	—	3–9 (25%)
1973	27	—	—	—	—	—	—	—	R64	—	—	—	—	—	—	—	—	—	R64	—	—	—	—	—	—	—	—	—	—	R32	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	QF	—	—	—	—	—	—	—	—	—	—	—	—	—	2–4 (33%)
1974	28	—	—	—	—	—	R32	R32	—	R32	—	—	—	—	—	—	R64	—	R32	R64	—	—	R32	—	—	—	—	—	—	R32	—	—	—	—	QF	—	—	—	—	R32	SF	—	—	—	—	—	—	—	R32	—	—	—	—	—	—	—	—	—	—	—	—	—	R64	8–13 (38%)
1975	29	—	—	—	—	—	—	R16	R64	—	—	—	R16	R32	—	R32	R64	—	R32	R64	—	—	—	R16	—	R32	—	—	—	—	R16	R32	—	R16	—	—	R32	—	—	R64	—	—	—	—	R16	R32	—	R32	—	—	—	R32	—	R32	—	—	—	R32	—	R64	—	—	—	11–22 (33%)
1976	30	—	—	F	—	R32	—	—	R32	—	—	—	R32	—	—	—	R64	—	R16	R64	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	R64	R64	—	—	—	—	R32	R32	—	—	—	F	—	—	—	—	—	—	—	—	—	—	—	R64	15–13 (54%)
1977	31	—	—	—	—	—	R16	—	—	—	—	—	—	—	R32	—	R64	—	R16	—	—	—	—	—	—	—	—	—	R32	—	—	—	—	—	—	—	—	—	—	—	—	—	—	R16	—	R32	—	—	—	—	—	—	—	—	R32	—	—	—	—	—	—	R64	R64	3–10 (23%)
1978	32	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	R32	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	QF	—	—	—	—	—	—	—	—	—	—	—	—	—	3–2 (60%)
1979	33	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	R32	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	0–1 (0%)
1980	34	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	R64	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	0–1 (0%)
1981	35	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	R16	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	2–1 (67%)
1982	36	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	R32	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	1–1 (50%)
W-L		1–1 (50%)	0–1 (0%)	5–1 (83%)	3–2 (60%)	2–3 (40%)	1–2 (33%)	1–3 (25%)	1–4 (20%)	0–2 (0%)	0–1 (0%)	0–1 (0%)	3–2 (60%)	0–1 (0%)	0–1 (0%)	0–2 (0%)	2–8 (20%)	1–1 (50%)	8–10 (44%)	0–3 (0%)	0–1 (0%)	0–1 (0%)	1–1 (50%)	1–1 (50%)	1–1 (50%)	0–1 (0%)	0–1 (0%)	1–1 (50%)	0–1 (0%)	4–5 (44%)	1–1 (50%)	0–1 (0%)	0–2 (0%)	1–1 (50%)	2–1 (67%)	1–1 (50%)	0–1 (0%)	0–1 (0%)	0–1 (0%)	1–3 (25%)	3–2 (60%)	0–1 (0%)	0–1 (0%)	1–1 (50%)	1–1 (50%)	1–3 (25%)	1–1 (50%)	1–1 (50%)	0–1 (0%)	5–2 (71%)	4–1 (80%)	0–1 (0%)	0–1 (0%)	1–1 (50%)	0–1 (0%)	0–1 (0%)	0–1 (0%)	0–1 (0%)	0–2 (0%)	0–1 (0%)	0–1 (0%)	0–1 (0%)	0–3 (0%)	60–106 (36%)

Results show the best round reached per tournament and season.

ATP Ranking History full ranking history →

Career high

Career-high date

Dec 13, 1976

First Top 100

Jan 20, 1975

First Top 50

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First Top 20

—

First Top 10

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Ranking History Matrix

Jun Kuki ranking history by month and season
Season	Age	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
1973	27	—	—	—	—	—	—	—	—	—	196	214	217
1974	28	—	—	217	223	225	209	151	130	129	—	137	101
1975	29	88	—	92	97	98	107	—	—	—	—	—	161
1976	30	—	—	—	—	—	79	—	—	—	—	—	78
1977	31	83	95	98	—	—	—	171	—	—	—	—	—
1978	32	197	—	—	—	—	—	210	—	—	—	—	146
1979	33	—	—	—	—	—	—	—	—	—	—	—	389
1980	34	—	—	—	—	—	—	—	—	—	—	—	356
1983	37	523	—	—	—	—	—	—	—	—	—	—	—

Similar Players

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

Jun Kuki's most statistically similar ATP players
Player	Country	Peak Rank	Peak Elo	M	W	L	Win %	Years	Match Log
Jun Kamiwazumi	JPN	78	1,624	163	64	99	39.3%	1968–1984	Match log
George Hardie	USA	80	1,635	221	77	144	34.8%	1972–1981	Match log
Jean Baptiste Chanfreau	FRA	80	1,677	189	61	128	32.3%	1968–1979	Match log
John Whitlinger	USA	75	1,630	122	45	77	36.9%	1973–1980	Match log
Alvin Gardiner	AUS	77	1,524	143	43	100	30.1%	1968–1981	Match log
John James	AUS	81	1,682	242	98	144	40.5%	1968–1982	Match log
Antonio Munoz	ESP	74	1,695	282	108	174	38.3%	1968–1981	Match log
David Carter	AUS	78	1,732	195	76	119	39.0%	1970–1984	Match log
Steve Docherty	AUS	74	1,636	122	46	76	37.7%	1972–1981	Match log
Grover Raz Reid	USA	71	1,697	137	48	89	35.0%	1970–1977	Match log
John Paish	GBR	80	1,690	111	43	68	38.7%	1968–1980	Match log
Richard Lewis	GBR	77	1,656	183	67	116	36.6%	1972–1984	Match log

Frequently Asked Questions

How old is Jun Kuki?: Jun Kuki is 80 years old, born on December 28, 1945.
Which country does Jun Kuki represent?: Jun Kuki represents Japan in TennisDB's ATP records.
Is Jun Kuki left-handed or right-handed?: Jun Kuki plays right-handed.
How many Grand Slam singles titles has Jun Kuki won?: Jun Kuki has not won a Grand Slam singles title.
How many Masters 1000 titles has Jun Kuki won?: TennisDB does not group any of Jun Kuki's titles under the modern Masters 1000 category.
What is Jun Kuki's highest ATP ranking?: Jun Kuki's career-high ATP singles ranking is world No. 78, first achieved on December 13, 1976.
What is Jun Kuki's career win-loss record?: Jun Kuki has a career ATP singles record of 73 wins and 134 losses (35.3%).
Which seasons of Jun Kuki's career appear in TennisDB?: Jun Kuki appears in TennisDB's ATP main-tour match records from 1968 through 1982.
On which surface does Jun Kuki have the highest recorded win rate?: Among surfaces with at least 20 recorded matches, Jun Kuki's highest ATP main-draw win rate is on hard: 39.5% (15–23).
Who has Jun Kuki faced most often?: Jun Kuki's most frequent opponent is Ross Case, with a head-to-head record of 0–5 across 5 meetings.