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

Naoko Sato

JPN Age 71 WTA Tour years active: 1972–1987

Naoko Sato represented Japan on the WTA Tour. In TennisDB's records, Naoko Sato finished with a career record of 56–91 and no singles titles. Weekly WTA ranking coverage before 1984 is incomplete outside audited No. 1 and year-end Top 10 anchors.

Peak singles rank

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Elo peak

1629 (43rd percentile)

Singles record

56–91 (38.1%)

Singles titles

Prize money

$55,987

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

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WTA Matches full match log →

Naoko Sato's recent, live, and scheduled WTA matches
Opponent	Score	Result	H2H	Match Data	Date	Round	Tournament	Category	Surface
Elna Reinach #56	0-6 1-6	L	H2H	Match data	Dec 31, 1986*	R64	Brisbane International	WTA 500	Grass
Betsy Nagelsen #71	6-7 4-6	L	H2H	Match data	Nov 14, 1984*	R64	Brisbane International	WTA 500	Grass
Etsuko Inoue	2-6 4-6	L	H2H	Match data	Nov 23, 1983*	R64	Sydney International	WTA 500	Grass
Ronni Reis	3-6 5-7	L	H2H	Match data	Oct 20, 1983*	R32	Tokyo Japan Open	WTA 250	—
Akiko Kijimuta	6-1 5-7 4-6	L	H2H	Match data	Oct 13, 1983*	R32	Tokyo Borden	WTA 250	Hard

Rivals all rivalries →

Naoko Sato's most-played WTA rivals
Opponent	W	L	M	Last Played	H2H
Betsy Nagelsen	0	4	4	Nov 14, 1984	H2H
Pam Whytcross	1	2	3	Jul 12, 1980	H2H
Belinda Thompson	3	0	3	Jun 7, 1978	H2H
Julie Anthony	0	3	3	Jun 22, 1977	H2H
Linky Boshoff	0	3	3	Aug 11, 1976	H2H

Career Results

Naoko Sato career results by season
Season	Age	W	L	M	Win %	Start Rank	End Rank
1972	17	2	3	5	40.0%	—	—
1973	18	4	6	10	40.0%	—	—
1974	19	7	16	23	30.4%	—	—
1975	20	5	7	12	41.7%	—	—
1976	21	4	8	12	33.3%	—	—
1977	22	8	12	20	40.0%	—	—
1978	23	6	7	13	46.2%	—	—
1979	24	8	9	17	47.1%	—	—
1980	25	11	10	21	52.4%	—	—
1981	26	1	6	7	14.3%	—	—
1982	27	0	1	1	0.0%	—	—
1983	28	0	4	4	0.0%	—	—
1984	29	0	1	1	0.0%	—	—
1987	32	0	1	1	0.0%	—	—
Career		56	91	147	38.1%	—	—

Career Results by Surface

Naoko Sato 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 %
1972	17	0	1	1	0.0%	0	1	1	0.0%	—	—	—	—	2	1	3	66.7%	2	3	5	40.0%
1973	18	—	—	—	—	2	4	6	33.3%	2	2	4	50.0%	—	—	—	—	4	6	10	40.0%
1974	19	2	2	4	50.0%	1	6	7	14.3%	2	4	6	33.3%	0	1	1	0.0%	7	16	23	30.4%
1975	20	—	—	—	—	3	2	5	60.0%	0	2	2	0.0%	0	1	1	0.0%	5	7	12	41.7%
1976	21	—	—	—	—	0	4	4	0.0%	4	4	8	50.0%	—	—	—	—	4	8	12	33.3%
1977	22	0	1	1	0.0%	1	2	3	33.3%	7	9	16	43.8%	—	—	—	—	8	12	20	40.0%
1978	23	—	—	—	—	1	2	3	33.3%	5	4	9	55.6%	0	1	1	0.0%	6	7	13	46.2%
1979	24	0	2	2	0.0%	—	—	—	—	4	5	9	44.4%	—	—	—	—	8	9	17	47.1%
1980	25	1	1	2	50.0%	4	4	8	50.0%	3	4	7	42.9%	—	—	—	—	11	10	21	52.4%
1981	26	0	3	3	0.0%	1	2	3	33.3%	0	1	1	0.0%	—	—	—	—	1	6	7	14.3%
1982	27	—	—	—	—	—	—	—	—	0	1	1	0.0%	—	—	—	—	0	1	1	0.0%
1983	28	0	1	1	0.0%	—	—	—	—	0	2	2	0.0%	—	—	—	—	0	4	4	0.0%
1984	29	—	—	—	—	—	—	—	—	0	1	1	0.0%	—	—	—	—	0	1	1	0.0%
1987	32	—	—	—	—	—	—	—	—	0	1	1	0.0%	—	—	—	—	0	1	1	0.0%
Career	—	3	11	14	21.4%	13	27	40	32.5%	27	40	67	40.3%	2	4	6	33.3%	56	91	147	38.1%

Career Results by Opponent Rank

Naoko Sato 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 %
1984	29	0	0	—	—	0	0	—	—	0	1	1	0.0%	0	0	—	—	0	1	1	0.0%
1987	32	0	0	—	—	0	0	—	—	0	1	1	0.0%	0	0	—	—	0	1	1	0.0%
Career		0	0	—	—	0	0	—	—	0	2	2	0.0%	0	0	—	—	0	2	2	0.0%

Opponent ranking data available for 2/147 (1.4%) of Naoko Sato's WTA main draw matches.

Advanced Stats

Naoko Sato 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
1972	17	1505	88.1	—	—	—	—	+47	—	—	36.4%	-2.00	1–0	1–0	—	+0.31
1973	18	1496	92.8	—	—	—	—	—	-8	+52	40.9%	-1.41	1–1	—	—	+1.13
1974	19	1453	91.0	—	—	—	—	+95	-59	+77	34.0%	-1.11	3–4 (43%)	1–3 (25%)	97.2	+1.33
1975	20	1493	95.6	—	—	—	—	—	-27	—	40.7%	-1.33	2–1 (67%)	1–1	—	+0.98
1976	21	1530	116.3	—	—	—	—	—	-82	+48	28.0%	-1.64	2–1 (67%)	—	—	-0.39
1977	22	1567	121.7	—	—	—	—	—	-112	+16	43.8%	-0.69	3–5 (38%)	3–1 (75%)	101.1	+1.63
1978	23	1595	111.7	—	—	—	—	—	-138	+17	48.3%	-0.17	1–2 (33%)	1–1	—	+0.54
1979	24	1594	114.4	—	—	—	—	—	—	+13	47.4%	+0.05	2–2 (50%)	1–1	—	+1.58
1980	25	1593	108.7	—	—	—	—	—	-117	-11	53.2%	+0.30	2–3 (40%)	1–1	—	+1.74
1981	26	1531	97.3	—	—	—	—	-43	-32	—	23.5%	-1.88	1–2 (33%)	1–1	—	+0.51
1982	27	1520	99.4	—	—	—	—	—	—	—	0.0%	-2.00	—	—	—	+0.01
1983	28	1467	93.8	—	—	—	—	—	—	—	11.1%	-1.89	0–1	—	—	+0.48
1984	29	1459	102.4	—	—	—	—	—	—	—	0.0%	-1.50	—	0–1	—	-0.02
1987	32	1451	91.3	—	—	—	—	—	—	—	0.0%	-5.50	—	—	—	-0.06
Career		1629	106.1	—	—	—	—	+45	-69	+25	39.8%	-0.84	18–22 (45%)	10–10 (50%)	101.4	+6.65

Tournament Results by Category

Grand Slams

Naoko Sato Grand Slams results by season
Season	Age	AO	RG	W	USO	W-L Win %
1975	20	—	—	R128	—	0–1 (0%)
1976	21	—	—	R64	—	0–1 (0%)
1977	22	QF	R64	R128	—	2–3 (40%)
1978	23	R32	—	—	—	0–1 (0%)
1979	24	R16	—	—	—	1–1 (50%)
1980	25	R32	—	—	—	1–1 (50%)
1981	26	—	R64	—	R128	1–2 (33%)
W-L		4–4 (50%)	1–2 (33%)	0–3 (0%)	0–1 (0%)	5–10 (33%)

WTA 500

Naoko Sato WTA 500 results by season
Season	Age	ADE	BRI	PAN	BER	SYD	SYD	W-L Win %
1972	17	—	—	F	—	—	—	2–1 (67%)
1976	21	—	—	—	—	—	R32	0–1 (0%)
1977	22	—	SF	—	—	R32	R32	1–3 (25%)
1978	23	R32	—	—	—	R64	—	1–2 (33%)
1979	24	R32	—	—	—	R16	—	1–2 (33%)
1980	25	R32	—	—	—	—	R32	2–2 (50%)
1981	26	—	—	—	R64	—	—	0–1 (0%)
1983	28	—	—	—	—	—	R64	0–1 (0%)
1984	29	—	R64	—	—	—	—	0–1 (0%)
1987	32	—	R64	—	—	—	—	0–1 (0%)
W-L		2–3 (40%)	1–3 (25%)	2–1 (67%)	0–1 (0%)	1–3 (25%)	1–4 (20%)	7–15 (32%)

WTA 250

Naoko Sato WTA 250 results by season
Season	Age	ATL	BAD	DAL	EAS	GST	HAM	KIT	MEL	NAP	NWP	TKY	ATX	BEC	BOU	CHI	CHR	COL	COS	DUB	FOR	HAV	HOY	JAC	KYO	MAN	NAG	OCA	PEN	PER	PHO	POR	PRO	SEB	SOU	ST.	SUR	TAL	WIL	WIN	W-L Win %
1972	17	—	R16	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	R128	—	—	—	—	—	0–2 (0%)
1973	18	—	—	—	—	QF	—	R32	—	—	—	—	—	R64	—	R16	—	R32	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	R16	—	—	—	—	4–6 (40%)
1974	19	R16	—	R32	—	—	—	—	—	—	R16	—	—	R16	R32	—	—	—	QF	—	R32	—	R32	R32	—	—	—	R32	R32	—	R64	—	R32	R64	—	—	—	—	—	R64	7–15 (32%)
1975	20	—	—	—	—	SF	R32	—	—	—	—	—	R16	—	—	—	—	—	—	—	—	R32	—	—	—	—	—	—	—	—	—	R32	—	—	—	—	—	—	SF	—	5–6 (45%)
1976	21	—	—	—	R64	R16	R32	—	—	R64	—	—	—	SF	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	R32	—	—	4–6 (40%)
1977	22	—	—	—	—	—	—	R16	R16	—	—	R16	—	R16	—	R32	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	4–5 (44%)
1978	23	—	—	—	—	R16	—	—	—	—	—	QF	—	R64	—	—	QF	R32	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	5–4 (56%)
1979	24	—	—	—	—	—	—	—	R32	—	—	F	—	R16	—	—	—	—	—	SF	—	—	—	—	F	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	6–5 (55%)
1980	25	—	—	—	—	—	—	—	—	R64	—	R16	—	R64	—	—	—	—	—	SF	—	—	—	—	SF	—	R16	—	—	R64	—	—	—	—	—	—	—	—	—	—	8–7 (53%)
1981	26	—	—	—	—	—	—	—	—	—	—	R32	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	R64	—	—	—	0–2 (0%)
1982	27	—	—	—	—	—	—	—	—	—	—	—	—	R64	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	0–1 (0%)
1983	28	—	—	—	—	—	—	—	—	—	—	R32	—	—	—	—	—	—	—	—	—	—	—	—	—	SF	—	—	—	—	—	—	—	—	—	—	—	—	—	—	0–2 (0%)
W-L		1–1 (50%)	0–1 (0%)	0–1 (0%)	0–1 (0%)	3–4 (43%)	0–2 (0%)	2–2 (50%)	1–2 (33%)	0–2 (0%)	1–1 (50%)	4–6 (40%)	0–1 (0%)	10–7 (59%)	0–1 (0%)	2–2 (50%)	3–1 (75%)	0–2 (0%)	2–1 (67%)	3–2 (60%)	0–1 (0%)	0–1 (0%)	0–1 (0%)	1–1 (50%)	5–2 (71%)	0–1 (0%)	1–1 (50%)	1–1 (50%)	0–1 (0%)	0–1 (0%)	0–1 (0%)	0–1 (0%)	0–1 (0%)	0–1 (0%)	0–1 (0%)	1–1 (50%)	0–1 (0%)	0–1 (0%)	2–1 (67%)	0–1 (0%)	43–61 (41%)

Results show the best round reached per tournament and season.

WTA Ranking History full ranking history →

Career high

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Career-high date

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First Top 100

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First Top 50

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First Top 20

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First Top 10

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Ranking History Matrix

No ranking history available.

Data coverage: Weekly WTA ranking snapshots are unavailable before 1984. Audited official No. 1 change dates and year-end Top 10 ranks are included, but weekly counts and ranks outside those anchors remain incomplete.

Frequently Asked Questions

How old is Naoko Sato?: Naoko Sato is 71 years old, born on January 2, 1955.
Which country does Naoko Sato represent?: Naoko Sato represents Japan in TennisDB's WTA records.
How many Grand Slam singles titles has Naoko Sato won?: Naoko Sato has not won a Grand Slam singles title.
How many WTA 1000 titles has Naoko Sato won?: TennisDB does not group any of Naoko Sato's titles under the modern WTA 1000 category.
What is Naoko Sato's career win-loss record?: Naoko Sato has a career WTA singles record of 56 wins and 91 losses (38.1%).
How much career prize money has Naoko Sato earned?: Naoko Sato has earned at least $55,987 in career prize money from professional tennis.
Which seasons of Naoko Sato's career appear in TennisDB?: Naoko Sato appears in TennisDB's WTA main-tour match records from 1972 through 1987.
On which surface does Naoko Sato have the highest recorded win rate?: Among surfaces with at least 20 recorded matches, Naoko Sato's highest WTA main-draw win rate is on grass: 40.3% (27–40).
Who has Naoko Sato faced most often?: Naoko Sato's most frequent opponent is Betsy Nagelsen, with a head-to-head record of 0–4 across 4 meetings.