Player data updated: 2026-09-01 02:16 UTC

Joanna Sakowicz-Kostecka

POL Age 42 Plays: Right-Handed WTA Tour years active: 2001–2003

Joanna Sakowicz-Kostecka represented Poland on the WTA Tour and reached a career-high ranking of No. 138. In TennisDB's records, Joanna Sakowicz-Kostecka finished with a career record of 1–5 and no singles titles.

Peak ranking

138 (Oct 9, 2006)

Elo peak

1500 (5th percentile)

Career record

1–5 (16.7%)

Career titles

Prize money

$116,884

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 →

Joanna Sakowicz-Kostecka's recent, live, and scheduled WTA matches
Opponent	Score	Result	H2H	Match Data	Date	Round	Tournament	Category	Surface
Dinara Safina #75	4-6 6-4 2-6	L	H2H	Match data	Jul 31, 2003*	R32	Sopot	WTA 250	Clay
Fabiola Zuluaga #69	3-6 2-6	L	H2H	Match data	May 1, 2003*	R32	Warsaw	WTA 500	Clay
Tathiana Garbin #90	4-6 2-6	L	H2H	Match data	Jul 25, 2002*	R16	Sopot	WTA 250	Clay
Cristina Torrens Valero #46	6-2 7-6(8)	W	H2H	Match data	Jul 24, 2002*	R32	Sopot	WTA 250	Clay
Elena Bovina #94	6-1 4-6 3-6	L	H2H	Match data	May 9, 2002*	R32	Warsaw	WTA 250	Clay

Rivals all rivalries →

Joanna Sakowicz-Kostecka's most-played WTA rivals
Opponent	W	L	M	Last Played	H2H
Dinara Safina	0	1	1	Jul 31, 2003	H2H
Fabiola Zuluaga	0	1	1	May 1, 2003	H2H
Tathiana Garbin	0	1	1	Jul 25, 2002	H2H
Cristina Torrens Valero	1	0	1	Jul 24, 2002	H2H
Elena Bovina	0	1	1	May 9, 2002	H2H

Career Results

Joanna Sakowicz-Kostecka career results by season
Season	Age	W	L	M	Win %	Start Rank	End Rank
2001	17	0	1	1	0.0%	560	489
2002	18	1	2	3	33.3%	489	279
2003	19	0	2	2	0.0%	279	427
Career		1	5	6	16.7%	—	—

Career Results by Surface

Joanna Sakowicz-Kostecka career results by season and surface
Season	Age	Hard				Clay				Grass				Total
Season	Age	W	L	M	Win %	W	L	M	Win %	W	L	M	Win %	W	L	M	Win %
2001	17	—	—	—	—	0	1	1	0.0%	—	—	—	—	0	1	1	0.0%
2002	18	—	—	—	—	1	2	3	33.3%	—	—	—	—	1	2	3	33.3%
2003	19	—	—	—	—	0	2	2	0.0%	—	—	—	—	0	2	2	0.0%
Career	—	—	—	—	—	1	5	6	16.7%	—	—	—	—	1	5	6	16.7%

Career Results by Opponent Rank

Joanna Sakowicz-Kostecka 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 %
2001	17	0	0	—	—	0	0	—	—	0	1	1	0.0%	0	0	—	—	0	1	1	0.0%
2002	18	0	0	—	—	0	0	—	—	1	2	3	33.3%	0	0	—	—	1	2	3	33.3%
2003	19	0	0	—	—	0	0	—	—	0	2	2	0.0%	0	0	—	—	0	2	2	0.0%
Career		0	0	—	—	0	0	—	—	1	5	6	16.7%	0	0	—	—	1	5	6	16.7%

Advanced Stats

Joanna Sakowicz-Kostecka 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
2001	17	1493	102.0	—	—	—	—	—	—	—	33.3%	-0.67	0–1	0–1	—	-0.16
2002	18	1488	106.0	—	—	—	—	—	+22	—	42.9%	-0.14	0–1	1–0	—	+0.03
2003	19	1474	106.0	—	—	—	—	—	—	—	20.0%	-2.20	0–1	—	—	-0.17
Career		1500	106.6	—	—	—	—	—	+22	—	33.3%	-0.93	0–3 (0%)	1–1	—	-5.00

Tournament Results by Category

WTA 500

Joanna Sakowicz-Kostecka WTA 500 results by season
Season	Age	WAR	W-L Win %
2003	19	R32	0–1 (0%)
W-L		0–1 (0%)	0–1 (0%)

WTA 250

Joanna Sakowicz-Kostecka WTA 250 results by season
Season	Age	SOP	WAR	W-L Win %
2001	17	R32	—	0–1 (0%)
2002	18	R16	R32	1–2 (33%)
2003	19	R32	—	0–1 (0%)
W-L		1–3 (25%)	0–1 (0%)	1–4 (20%)

Results show the best round reached per tournament and season.

WTA Ranking History full ranking history →

Career high

138

Career-high date

Oct 9, 2006

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

Joanna Sakowicz-Kostecka ranking history by month and season
Season	Age	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
1999	15	—	—	—	—	—	—	909	872	862	865	854	844
2000	16	847	841	842	855	911	835	713	756	758	760	760	—
2001	17	—	—	—	—	—	—	—	—	—	—	481	489
2002	18	488	453	434	419	419	459	307	314	286	281	275	279
2003	19	270	275	270	265	266	257	347	347	384	393	514	427
2004	20	426	318	331	336	335	348	326	327	317	278	267	266
2005	21	262	320	320	312	318	319	300	279	284	284	282	209
2006	22	214	205	203	203	198	169	164	147	140	143	152	199
2007	23	197	211	206	197	202	237	286	329	355	378	359	365
2008	24	364	361	322	341	369	374	366	361	358	391	411	428
2009	25	422	447	523	608	710	716	796	—	—	—	—	—

Similar Players

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

Joanna Sakowicz-Kostecka's most statistically similar WTA players
Player	Country	Peak Rank	Peak Elo	M	W	L	Win %	Years	Match Log
Bahia Mouhtassine	MAR	139	1,501	16	3	13	18.8%	1999–2007	Match log
Jessica Steck	RSA	140	1,500	6	1	5	16.7%	1997–2002	Match log
Christina Wheeler	AUS	147	1,523	15	2	13	13.3%	2001–2008	Match log
Alice Canepa	ITA	158	1,516	10	2	8	20.0%	1995–2006	Match log
Stanislava Hrozenska	SVK	146	1,518	7	2	5	28.6%	2000–2003	Match log
Mi-Ra Jeon	KOR	129	1,515	18	4	14	22.2%	1994–2003	Match log
Evelyn Fauth	AUT	127	1,500	11	1	10	9.1%	1994–2003	Match log
Neuza Silva	POR	133	1,500	11	2	9	18.2%	2002–2009	Match log
Julie Pullin	GBR	125	1,516	25	5	20	20.0%	1993–2003	Match log
Angelika Bachmann	GER	130	1,561	26	7	19	26.9%	1999–2008	Match log
Natalie Grandin	RSA	144	1,500	15	1	14	6.7%	2001–2011	Match log
Adriana Barna	GER	180	1,500	6	1	5	16.7%	1993–2003	Match log

Frequently Asked Questions

How old is Joanna Sakowicz-Kostecka?: Joanna Sakowicz-Kostecka is 42 years old, born on May 1, 1984.
Which country does Joanna Sakowicz-Kostecka represent?: Joanna Sakowicz-Kostecka represents Poland in TennisDB's WTA records.
Is Joanna Sakowicz-Kostecka left-handed or right-handed?: Joanna Sakowicz-Kostecka plays right-handed.
How many Grand Slams has Joanna Sakowicz-Kostecka won?: Joanna Sakowicz-Kostecka has not won a Grand Slam title.
How many WTA 1000 titles has Joanna Sakowicz-Kostecka won?: TennisDB does not group any of Joanna Sakowicz-Kostecka's titles under the modern WTA 1000 category.
What is Joanna Sakowicz-Kostecka's highest WTA ranking?: Joanna Sakowicz-Kostecka's career-high WTA singles ranking is world No. 138, first achieved on October 9, 2006.
What is Joanna Sakowicz-Kostecka's career win-loss record?: Joanna Sakowicz-Kostecka has a career WTA singles record of 1 wins and 5 losses (16.7%).
How much career prize money has Joanna Sakowicz-Kostecka earned?: Joanna Sakowicz-Kostecka has earned at least $116,884 in career prize money from professional tennis.
Which seasons of Joanna Sakowicz-Kostecka's career appear in TennisDB?: Joanna Sakowicz-Kostecka appears in TennisDB's WTA main-tour match records from 2001 through 2003.
Who has Joanna Sakowicz-Kostecka faced most often?: Joanna Sakowicz-Kostecka's most frequent opponent is Dinara Safina, with a head-to-head record of 0–1 across 1 meeting.