| Natalia Siedliska | |
| Country: | (2010–2015) (2015–) |
| Birth Date: | 1995 12, df=yes |
| Birth Place: | Łódź, Poland[1] |
| Plays: | Right-handed |
| College: | Saint Leo, FIU, Lynn |
| Careerprizemoney: | $80,654 |
| Singlestitles: | 4 ITF |
| Highestsinglesranking: | No. 487 (14 August 2023) |
| Currentsinglesranking: | No. 656 (22 April 2024) |
| Doublestitles: | 22 ITF |
| Highestdoublesranking: | No. 412 (16 February 2015) |
| Currentdoublesranking: | No. 491 (22 April 2024) |
| Updated: | 29 April 2024 |
Natalia Siedliska (born 9 December 1995) is a Polish-born German tennis player.
Siedliska has a career high WTA singles ranking of world No. 487, achieved on 14 August 2023, and a career high WTA doubles ranking of No. 412, achieved on 16 February 2015.[2]
In 2023, Siedliska won her first major ITF title at a W40 tournament in doubles in Arequipa, Peru.
She played college tennis at a variety of schools around the United States, starting at Saint Leo[3] before playing at FIU[1] and Lynn.[4] She also enrolled at IU East to receive further education through the WTA-led Women's Tennis Benefits Association's partnership with the school.[5]
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| Result | W–L | Date | Tournament | Tier | Surface | Opponent | Score | |
|---|---|---|---|---|---|---|---|---|
| Loss | 0–1 | ITF Heraklion, Greece | 10,000 | Carpet |  Laëtitia Sarrazin | 5–7, 2–6 | ||
| Win | 1–1 | ITF Heraklion, Greece | 10,000 | Carpet |  Vendula Žovincová | 6–1, 6–4 | ||
| Loss | 1–2 | ITF Puszczykowo, Poland | 10,000 | Hard |  Sofia Kvatsabaia | 1–6, 1–6 | ||
| Win | 2–2 | ITF Hammamet, Tunisia | 15,000 | Clay |  Angelica Moratelli | 3–6, 6–3, 6–3 | ||
| Loss | 2–3 | ITF Hammamet, Tunisia | 15,000 | Clay | Fernanda Brito | 2–6, ret. | ||
| Loss | 2–4 | ITF Castellón, Spain | 15,000 | Clay | Alina Charaeva | 6–7(4–7). 3–6 | ||
| Win | 3–4 | ITF Antalya, Turkey | 15,000 | Clay |  Maria Sara Popa | 6–3, 6–2 | ||
| Win | 4–4 | ITF Monastir, Tunisia | 15,000 | Hard |  Kristina Paskauskas | 6–3, 6–2 |
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