Sandra Zaniewska

Sandra Zaniewska (born 3 January 1992) is a Polish tennis coach and former professional player.

In her career, she won 10 singles tournaments and seven in doubles on the ITF Circuit, and she was the runner-up of the 2009 Australian Open in girls' doubles, with partner Aleksandra Krunić.

Zaniewska, who competed on the pro tour until June 2017, began coaching Ukrainian professional tennis player Marta Kostyuk in July 2023. She previously coached Alizé Cornet and Petra Martić.

Personal life Sandra Zaniewska was born to Maciej Zaniewski and Teresa Zaniewska on 3 January 1992 in Katowice. She has one brother, Bartek.

ITF finals Singles: 20 (10–10) Legend$25,000 tournaments$15,000 tournaments$10,000 tournamentsFinals by surfaceHard (2–2)Clay (8–8) ResultNo.DateTournamentSurfaceOpponentScoreLoss 1. 19 July 2009 ITF Izmir, Turkey Clay Pemra Özgen 0–6, 4–6Win 1. 9 August 2009 ITF Iława, Poland Clay Zuzana Zlochová 6–4, 6–4Loss 2. 2 May 2010 ITF Antalya, Turkey Clay Ons Jabeur 1–2 ret.Win 2. 20 June 2010 ITF Cologne, Germany Clay Julia Babilon 6–4, 6–4Win 3. 19 June 2011 ITF Cologne, Germany Clay Lena-Marie Hofmann 6–4, 6–2Loss 3. 18 September 2011 ITF Cairns, Australia Hard Casey Dellacqua 4–6, 6–7(3)Loss 4. 4 March 2012 ITF Wellington, New Zealand Hard Duan Yingying 1–6, 4–6Win 4. 25 March 2012 ITF Ipswich, Australia Clay Ashleigh Barty 7–6(5), 6–1Win 5. 1 April 2012 ITF Bundaberg, Australia Clay Shuko Aoyama 6–3, 6–2Win 6. 28 April 2012 Nana Trophy, Tunisia Clay Ons Jabeur 6–4, 4–6, 6–2Loss 5. 24 May 2013 ITF Casablanca, Morocco Clay Laura Pous Tió 3–6, 0–6Win 7. 3 November 2013 ITF Sharm El Sheikh, Egypt Hard Valeria Prosperi 6–4, 6–1Win 8. 6 April 2014 ITF Sharm El Sheikh, Egypt Hard Elena-Teodora Cadar 6–2, 6–1Loss 6. 21 June 2014 ITF Ystad, Sweden Clay Nastja Kolar 4–6, 4–6Loss 7. 29 March 2015 ITF Mornington, Australia Clay Priscilla Hon 7–5, 3–6, 6–7(4)Loss 8. 28 June 2015 ITF Breda, Netherlands Clay Jesika Malečková 3–6, 7–5, 5–7Win 9. 24 April 2016 ITF Hammamet, Tunisia Clay Angelica Moratelli 7–6(4), 6–2Win 10. 1 May 2016 ITF Hammamet, Tunisia Clay Inès Ibbou 6–1, 6–4Loss 9. 30 July 2016 ITF Maaseik, Belgium Clay Déborah Kerfs 2–6, 5–7Loss 10. 12 March 2017 ITF Hammamet, Tunisia Clay Camilla Scala 6–1, 3–6, 3–6

Doubles: 22 (7–15) Legend$100,000 tournaments$50,000 tournaments$25,000 tournaments$15,000 tournaments$10,000 tournamentsFinals by surfaceHard (3–6)Clay (4–9) ResultNo.DateTournamentSurfacePartnerOpponentsScoreLoss 1. 9 November 2008 ITF Krakow, Poland Hard (i) Olga Brózda Angelique Kerber Urszula Radwańska 3–6, 2–6Loss 2. 15 March 2009 ITF Giza, Egypt Clay Bibiane Schoofs Galina Fokina Alyona Sotnikova 4–6, 6–3, [8–10]Loss 3. 18 July 2009 ITF Izmir, Turkey Clay Zuzana Linhová Sofia Kvatsabaia Avgusta Tsybysheva 0–6, 6–3, [5–10]Win 1. 2 May 2010 ITF Antalya, Turkey Clay Pemra Özgen Indire Akiki Martina Kubičíková 6–1, 6–2Loss 4. 16 October 2010 ITF Mount Gambier, Australia Hard Daniella Dominikovic Alison Bai Ana-Clara Duarte w/oLoss 5. 12 February 2011 ITF Rancho Mirage, United States Hard Nadejda Guskova Karolína Plíšková Kristýna Plíšková 7–6(6), 1–6, [5–10]Win 2. 19 March 2011 ITF Antalya, Turkey Clay Pemra Özgen Réka Luca Jani Martina Kubičíková 2–6, 7–5, [10–7]Loss 6. 9 April 2011 ITF Bundaberg, Australia Clay Daniella Dominikovic Casey Dellacqua Olivia Rogowska 5–7, 4–6Loss 7. 9 October 2011 ITF Esperance, Australıa Hard Monique Adamczak Casey Dellacqua Olivia Rogowska] 3–6, 2–6 Win 3. 24 March 2012 ITF Ipswich, Australia Clay Monique Adamczak Shuko Aoyama Junri Namigata 7–5, 6–4Win 4. 20 October 2012 Open de Limoges, France Hard (i) Magda Linette Irena Pavlovic Stefanie Vögele 6–1, 5–7, [10–5]Loss 8. 24 May 2013 ITF Casablanca, Morocco Clay Elitsa Kostova Justine Ozga Anna Zaja 4–6, 2–6Loss 9. 30 June 2013 ITF Stuttgart, Germany Clay Stephanie Vogt Kristina Barrois Laura Siegemund 6–7(1), 4–6Win 5. 26 October 2013 ITF Sharm El Sheikh, Egypt Hard Elise Mertens Valeriya Strakhova Karina Venditti 6–4, 6–7(5), [12–10]Loss 10. 28 June 2014 ITF Kristinehamn, Sweden Clay Ysaline Bonaventure Kateryna Bondarenko Cornelia Lister w/oWin 6. 13 September 2014 Batumi Ladies Open, Georgia Hard An-Sophie Mestach Aleksandrina Naydenova Valeriya Strakhova 6–1, 6–1Loss 11. 3 April 2015 ITF Melbourne, Australia Clay Agata Barańska Priscilla Hon Tammi Patterson 6–2, 4–6, [10–12]Win 7. 20 June 2015 ITF Alkmaar, Netherlands Clay Sally Peers Anna Klasen Charlotte Klasen 6–3, 6–4Loss 12. 29 January 2016 ITF Bertioga, Brazil Hard Katarzyna Kawa Cristina Dinu Indy de Vroome 3–6, 3–6Loss 13. 14 October 2016 ITF Cairns, Australia Hard Katarzyna Kawa Alison Bai Lizette Cabrera 5–7, 7–5, [10–12]Loss 14. 4 March 2017 ITF Hammamet, Tunisia Clay Dominique Karregat Natasha Piludu Gaia Sanesi 3–6, 2–6Loss 15. 8 April 2017 ITF Pula, Italy Clay Bibiane Schoofs Alice Matteucci Camilla Rosatello 1–6, 3–6

Junior Grand Slam finals Girls' doubles OutcomeYearTournamentSurfacePartnerOpponentsScoreRunner-up 2009 Australian Open Hard Aleksandra Krunić Christina McHale Ajla Tomljanović 1–6, 6–2, [4–10]