Joanna Sakowicz-Kostecka

Joanna Sakowicz-Kostecka (born May 1, 1984 in Kraków) is a female Polish tennis player.
As a professional, her highest career singles ranking is World No. 138, achieved on 09 October 2006, her highest career doubles ranking is World No. 312, achieved on 23 June 2003.
She has won 3 singles and 1 doubles ITF titles.

Singles Finals: 7 (3–4)

Outcome	No.	Date	Tournament	Surface	Opponent in the final	Score in the final
Winner	1.	3 June 2001	Warsaw, Poland	Clay	Raluca Ciochina	1–6, 6–2, 6–1
Runner–up	2.	18 November 2001	Stupava, Slovakia	Hard (i)	Petra Cetkovská	1–6, 4–6
Winner	3.	30 June 2002	Rabat, Morocco	Clay	Olga Kalyuzhnaya	6–3, 7–5
Runner–up	4.	10 July 2005	Toruń, Poland	Clay	Ana Timotić	1–6, 2–6
Runner–up	5.	27 November 2005	Opole, Poland	Carpet	Oxana Lyubtsova	1–6, 6–3, 1–6
Winner	6.	10 December 2005	Přerov, Czech Republic	Carpet (i)	Lucie Hradecká	6–4, 6–4
Runner–up	7.	11 July 2006	Torun, Poland	Clay	Andreja Klepač	0–6, 2–6

Doubles Finals: 2 (1–1)

Outcome	NO	Date	Tournament	Surface	Partner	Opponents in the final	Score
Winner	1.	23 June 2002	Tallinn, Estonia	Clay	Petra Cetkovská	Petra Rüssegger Stefanie Weis	6–2, 4–6, 6–4
Runner-up	2.	5 July 2005	Toruń, Poland	Clay	Zuzana Hejdová	Nadejda Ostrovskaya Yevgenia Savransky	1–6, 5–7