Player data updated: 2026-10-18 04:33 UTC

Risa Ozaki

JPN Age 32 163 cm / 5'4" Plays: Right-Handed WTA Tour years active: 2013–2019

Risa Ozaki represented Japan on the WTA Tour and reached a career high of No. 70. TennisDB's records show a singles record of 19–39 and no singles titles.

Peak singles rank

70 (Apr 24, 2017)

Elo peak

1646 (48th percentile)

Singles record

19–39 (32.8%)

Singles titles

Prize money

$728,333

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 →

Risa Ozaki's recent, live, and scheduled WTA matches
Opponent	Score	Result	H2H	Match Data	Date	Round	Tournament	Category	Surface
Su-Wei Hsieh #29	1-6 6-3 3-6	L	H2H	Match data	Sep 12, 2019*	R32	Hiroshima	International → modern equivalent WTA 250	Hard
Zarina Diyas #65	1-6 0-6	L	H2H	Match data	Sep 16, 2018	Q2 Q	Pan Pacific Open	Premier → modern equivalent WTA 500	Hard
Anna Zaja #220	6-2 7-6(2)	W	H2H	Match data	Sep 15, 2018	Q1 Q	Pan Pacific Open	Premier → modern equivalent WTA 500	Hard
Magdalena Rybarikova #17	4-6 3-6	L	H2H	Match data	Apr 5, 2018*	R32	Monterrey Open	International → modern equivalent WTA 250	Hard
Su-Wei Hsieh #67	4-6 3-6	L	H2H	Match data	Mar 5, 2018	Q1 Q	Indian Wells Open	Premier Mandatory → modern equivalent WTA 1000	Hard

Qualifying matches are shown here but excluded from main-draw summaries and leaderboards.

Rivals all rivalries →

Risa Ozaki's most-played WTA rivals
Opponent	W	L	M	Last Played	H2H
Venus Williams	0	2	2	Oct 12, 2017	H2H
Sara Errani	0	2	2	Aug 3, 2017	H2H
Naomi Osaka	0	2	2	Jun 28, 2017	H2H
Eugenie Bouchard	0	2	2	May 30, 2017	H2H
Julia Goerges	1	1	2	Mar 26, 2017	H2H

Career Results

Risa Ozaki career results by season
Season	Age	Type	W	L	M	Win %	Start Rank	End Rank
2013	19	WTA	1	3	4	25.0%	321	193
2014	20	WTA	0	2	2	0.0%	184	155
2015	21	WTA	2	4	6	33.3%	158	160
2016	22	Qualifying Q	6	2	8	75.0%	—	—
2016	22	WTA	8	8	16	50.0%	149	97
2017	23	Qualifying Q	7	8	15	46.7%	—	—
2017	23	WTA	8	19	27	29.6%	100	118
2018	24	Qualifying Q	1	3	4	25.0%	—	—
2018	24	WTA	0	2	2	0.0%	119	289
2019	25	WTA	0	1	1	0.0%	294	313
Career		—	19	39	58	32.8%	—	—

Career Results by Surface

Risa Ozaki career results by season and surface
Season	Age	Type	Hard				Clay				Grass				Total
Season	Age	Type	W	L	M	Win %	W	L	M	Win %	W	L	M	Win %	W	L	M	Win %
2013	19	WTA	1	3	4	25.0%	—	—	—	—	—	—	—	—	1	3	4	25.0%
2014	20	WTA	0	2	2	0.0%	—	—	—	—	—	—	—	—	0	2	2	0.0%
2015	21	WTA	1	2	3	33.3%	1	2	3	33.3%	—	—	—	—	2	4	6	33.3%
2016	22	Qualifying Q	4	1	5	80.0%	—	—	—	—	2	1	3	66.7%	6	2	8	75.0%
2016	22	WTA	7	7	14	50.0%	—	—	—	—	1	1	2	50.0%	8	8	16	50.0%
2017	23	Qualifying Q	6	6	12	50.0%	1	2	3	33.3%	—	—	—	—	7	8	15	46.7%
2017	23	WTA	8	13	21	38.1%	0	2	2	0.0%	0	4	4	0.0%	8	19	27	29.6%
2018	24	Qualifying Q	1	3	4	25.0%	—	—	—	—	—	—	—	—	1	3	4	25.0%
2018	24	WTA	0	2	2	0.0%	—	—	—	—	—	—	—	—	0	2	2	0.0%
2019	25	WTA	0	1	1	0.0%	—	—	—	—	—	—	—	—	0	1	1	0.0%
Career	—	—	17	30	47	36.2%	1	4	5	20.0%	1	5	6	16.7%	19	39	58	32.8%

Career Results by Opponent Rank

Risa Ozaki 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 %
2013	19	0	0	—	—	0	0	—	—	0	2	2	0.0%	1	1	2	50.0%	1	3	4	25.0%
2014	20	0	0	—	—	0	0	—	—	0	1	1	0.0%	0	1	1	0.0%	0	2	2	0.0%
2015	21	0	0	—	—	0	1	1	0.0%	0	3	3	0.0%	2	0	2	100.0%	2	4	6	33.3%
2016	22	0	0	—	—	1	2	3	33.3%	3	4	7	42.9%	4	2	6	66.7%	8	8	16	50.0%
2017	23	0	2	2	0.0%	1	2	3	33.3%	6	10	16	37.5%	1	4	5	20.0%	8	18	26	30.8%
2018	24	0	0	—	—	0	1	1	0.0%	0	0	—	—	0	1	1	0.0%	0	2	2	0.0%
2019	25	0	0	—	—	0	1	1	0.0%	0	0	—	—	0	0	—	—	0	1	1	0.0%
Career		0	2	2	0.0%	2	7	9	22.2%	9	20	29	31.0%	8	9	17	47.1%	19	38	57	33.3%

Opponent ranking data available for 57/58 (98.3%) of Risa Ozaki's WTA main draw matches.

Performance Stats

Risa Ozaki performance statistics by season
Season	Age	Sample	Aces/M	DFs/M	1st Sv%	1st Sv Pts%	2nd Sv Pts%	BP Saved%	BP Conv%	Svc Pts%	Ret Pts%
2013	19	4/4	2.8	2.0	67.4%	54.6%	43.1%	24.1%	49.0%	51.0%	43.3%
2014	20	2/2	0.0	1.5	66.7%	37.0%	36.0%	23.3%	43.6%	36.7%	45.6%
2015	21	3/6	1.3	2.0	77.3%	50.1%	50.1%	33.3%	58.3%	50.4%	41.5%
2016	22	13/18	0.4	1.6	67.6%	56.4%	48.8%	52.4%	45.1%	53.9%	47.1%
2017	23	26/27	0.9	2.3	69.7%	54.4%	44.8%	49.7%	48.1%	51.4%	41.3%
2018	24	2/2	1.0	4.0	66.0%	51.4%	46.8%	39.3%	58.3%	50.0%	37.5%
2019	25	1/1	1.0	1.0	63.9%	54.7%	36.7%	30.0%	30.8%	48.2%	43.9%
Career		51/60	0.9	2.1	69.1%	53.9%	45.6%	45.6%	47.9%	51.3%	43.0%

Detailed serve and return statistics available for 51/60 (85.0%) of Risa Ozaki's WTA main draw matches.

Advanced Stats

Risa Ozaki 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
2013	19	1479	100.5	-0.69	-1.45	0.884	47.3%	+14	—	—	40.0%	-0.30	0–2	0–2	—	+0.33
2014	20	1454	94.5	-4.28	-1.88	0.720	41.7%	—	—	—	0.0%	-3.25	—	0–1	—	+0.10
2015	21	1462	105.9	-1.76	+0.10	0.837	45.9%	+8	+68	—	30.8%	-1.00	1–0	0–1	—	-0.17
2016	22	1543	117.7	-1.97	+1.29	1.022	50.5%	-3	—	—	48.6%	+0.13	3–2 (60%)	—	—	-0.25
2017	23	1460	109.2	-3.70	-1.80	0.851	46.5%	+36	—	+90	29.0%	-1.45	6–4 (60%)	2–5 (29%)	101.1	-0.59
2018	24	1431	96.7	-0.80	-0.31	0.750	44.9%	—	—	—	0.0%	-2.75	—	—	—	-0.03
2019	25	1414	105.7	+0.70	-0.20	0.847	46.1%	—	—	—	33.3%	-1.67	0–1	—	—	-0.13
Career		1646	110.8	-2.73	-0.79	0.883	47.3%	+19	+68	+90	33.8%	-0.98	10–9 (53%)	2–9 (18%)	98.0	-1.28

Tournament Results by Category

Grand Slams

Risa Ozaki Grand Slams results by season
Season	Age	AO	RG	W	USO	W-L Win %
2017	23	R128	R128	R128	R64	1–4 (20%)
W-L		0–1 (0%)	0–1 (0%)	0–1 (0%)	1–1 (50%)	1–4 (20%)

WTA 1000

Risa Ozaki WTA 1000 results by season
Season	Age	CIN	DOH	DUB	IW	MAD	MIA	PAN	W-L Win %
2013	19	—	—	—	—	—	—	R64	0–1 (0%)
2016	22	—	—	—	R128	—	—	—	1–1 (50%)
2017	23	Q1	—	Q2	R128	Q2	R16	—	9–5 (64%)
2018	24	—	Q1	—	Q1	—	—	—	0–2 (0%)
W-L		0–1 (0%)	0–1 (0%)	1–1 (50%)	3–3 (50%)	1–1 (50%)	5–1 (83%)	0–1 (0%)	10–9 (53%)

WTA 500

Risa Ozaki WTA 500 results by season
Season	Age	DOH	EAS	POR	PAN	NEW	PAN	W-L Win %
2016	22	—	—	—	—	—	Q1	0–1 (0%)
2017	23	Q2	R64	Q1	—	Q1	R32	1–5 (17%)
2018	24	—	—	—	Q2	—	—	1–1 (50%)
W-L		1–1 (50%)	0–1 (0%)	0–1 (0%)	1–1 (50%)	0–1 (0%)	0–2 (0%)	2–7 (22%)

WTA 250

Risa Ozaki WTA 250 results by season
Season	Age	LIB	HKG	MAL	KOR	WAS	BAD	FLO	HIR	HOB	JAP	JAP	JIA	KUA	MON	JAP	PRA	SHE	STR	TAI	TAS	W-L Win %
2013	19	—	—	—	R32	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	R16	1–2 (33%)
2014	20	—	—	—	—	—	—	—	—	—	—	—	—	—	—	R32	—	R32	—	—	—	0–2 (0%)
2015	21	—	R32	—	—	—	R32	R16	—	—	R16	—	—	—	—	—	—	—	—	—	—	2–4 (33%)
2016	22	R16	R32	Q1	—	R32	—	—	—	—	R32	—	SF	R16	—	—	—	—	—	—	R16	10–8 (56%)
2017	23	R32	R32	R32	—	R32	—	—	—	QF	—	R32	R32	R16	—	—	Q1	Q1	R32	R16	R32	4–13 (24%)
2018	24	—	—	—	—	—	—	—	—	—	—	—	—	—	R32	—	—	—	—	R32	—	0–2 (0%)
2019	25	—	—	—	—	—	—	—	R32	—	—	—	—	—	—	—	—	—	—	—	—	0–1 (0%)
W-L		2–2 (50%)	0–3 (0%)	0–2 (0%)	0–1 (0%)	2–2 (50%)	0–1 (0%)	1–1 (50%)	0–1 (0%)	2–1 (67%)	1–2 (33%)	0–1 (0%)	3–2 (60%)	3–2 (60%)	0–1 (0%)	0–1 (0%)	0–1 (0%)	0–2 (0%)	0–1 (0%)	1–2 (33%)	2–3 (40%)	17–32 (35%)

Results show the best round reached per tournament and season.

WTA Ranking History full ranking history →

Career high

Career-high date

Apr 24, 2017

First Top 100

Nov 7, 2016

First Top 50

—

First Top 20

—

First Top 10

—

Ranking History Matrix

Risa Ozaki ranking history by month and season
Season	Age	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2011	17	—	—	—	—	—	—	—	—	—	967	938	936
2012	18	935	717	617	527	419	413	403	401	341	341	327	321
2013	19	318	325	311	333	346	275	225	199	188	187	193	193
2014	20	170	171	174	176	173	195	195	210	225	222	157	155
2015	21	162	172	171	177	168	144	135	138	130	131	161	160
2016	22	145	133	123	129	128	128	126	113	126	103	96	97
2017	23	94	88	87	70	72	75	78	96	91	102	118	—
2018	24	132	145	170	246	274	231	237	250	290	293	292	289
2019	25	287	289	289	271	264	296	275	291	307	309	310	313
2020	26	310	317	318	—	—	—	—	320	326	328	329	329
2021	27	329	333	339	355	374	453	481	474	469	476	513	515
2022	28	526	520	517	591	681	973	1067	1063	1084	1109	—	—

Similar Players

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

Risa Ozaki's most statistically similar WTA players
Player	Country	Peak ranking	Peak Elo	M	W	L	Win %	Prize money	Years	Rivalries	Match log
Nicole Gibbs	USA	#68	1,690	92	33	59	35.9%	$1,839,720	2012–2020	Rivalries	Match log
Kristina Kucova	SVK	#71	1,697	108	40	68	37.0%	$2,066,546	2009–2023	Rivalries	Match log
Luksika Kumkhum	THA	#66	1,660	58	21	37	36.2%	$1,202,044	2012–2019	Rivalries	Match log
Veronica Cepede Royg	PAR	#73	1,690	70	26	44	37.1%	$1,378,187	2012–2021	Rivalries	Match log
Dalila Jakupovic (active player)	SLO	#69	1,647	55	20	35	36.4%	$1,417,402	2014–2023	Rivalries	Match log
Vitalia Diatchenko (active player)	RUS	#71	1,626	60	13	47	21.7%	$1,802,903	2009–2025	Rivalries	Match log
Julia Glushko	ISR	#79	1,546	45	13	32	28.9%	$998,044	2012–2019	Rivalries	Match log
Andreea Mitu	ROU	#68	1,551	38	11	27	28.9%	$1,010,100	2014–2024	Rivalries	Match log
Sachia Vickery	USA	#73	1,698	95	38	57	40.0%	$2,219,049	2013–2024	Rivalries	Match log
Evgeniya Rodina	RUS	#67	1,662	192	74	118	38.5%	$2,588,528	2005–2023	Rivalries	Match log
Naomi Broady	GBR	#76	1,604	66	24	42	36.4%	$1,285,713	2009–2018	Rivalries	Match log
Tereza Smitkova	CZE	#57	1,564	48	15	33	31.3%	$1,087,469	2013–2021	Rivalries	Match log

Frequently Asked Questions

How old is Risa Ozaki?: Risa Ozaki is 32 years old, born on April 10, 1994.
Which country does Risa Ozaki represent?: Risa Ozaki represents Japan in TennisDB's WTA records.
How tall is Risa Ozaki?: Risa Ozaki is 163 cm / 5'4".
Is Risa Ozaki left-handed or right-handed?: Risa Ozaki plays right-handed.
How many Grand Slam singles titles has Risa Ozaki won?: Risa Ozaki has not won a Grand Slam singles title.
How many WTA 1000 titles has Risa Ozaki won?: TennisDB does not group any of Risa Ozaki's titles under the modern WTA 1000 category.
What is Risa Ozaki's highest WTA ranking?: Risa Ozaki's career-high WTA singles ranking is world No. 70, first achieved on April 24, 2017.
What is Risa Ozaki's career win-loss record?: Risa Ozaki has a career WTA singles record of 19 wins and 39 losses (32.8%).
How much career prize money has Risa Ozaki earned?: Risa Ozaki has earned at least $728,333 in career prize money from professional tennis.
Which seasons of Risa Ozaki's career appear in TennisDB?: Risa Ozaki appears in TennisDB's WTA main-tour match records from 2013 through 2019.
On which surface does Risa Ozaki have the highest recorded win rate?: Among surfaces with at least 20 recorded matches, Risa Ozaki's highest WTA main-draw win rate is on hard: 36.2% (17–30).
Who has Risa Ozaki faced most often?: Risa Ozaki's most frequent opponent is Venus Williams, with a head-to-head record of 0–2 across 2 meetings.