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Demi Schuurs (pronounced [ˈdeːmi sxyrs]; born 1 August 1993) is a Dutch professional tennis player who specializes in doubles. On 22 October 2018, she peaked at No. 7 in the doubles rankings. In February 2015, she reached a career-high singles ranking of world No. 512. She has won twenty-one doubles titles on the WTA Tour, as well as one singles title and 20 doubles titles on the ITF Circuit.
| W | F | SF | QF | | RR | Q# | P# | DNQ | A | Z# | PO | G | S | B | NMS | NTI | P | NH |
| Tournament | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | SR | W–L | Win% |
| Grand Slam tournaments | |||||||||||||
| Australian Open | A | 1R | 1R | 1R | 1R | 2R | SF | A | QF | QF | 0 / 8 | 11–8 | 58% |
| French Open | A | A | 1R | 1R | 2R | 3R | 3R | 2R | 3R | A | 0 / 7 | 8–7 | 53% |
| Wimbledon | A | 1R | 3R | 3R | QF | NH | 1R | 2R | 2R | 1R | 0 / 8 | 9–8 | 53% |
| US Open | 1R | A | 2R | QF | 2R | QF | 1R | QF | 2R | QF | 0 / 9 | 15–9 | 65% |
| Win–loss | 0–1 | 0–2 | 3–4 | 5–4 | 5–4 | 6–3 | 6–4 | 5–3 | 7–3 | 6–3 | 0 / 32 | 43–32 | 57% |
| Year-end championships | |||||||||||||
| WTA Finals | DNQ | QF | SF | NH | SF | SF | RR | DNQ | 0 / 5 | 6–10 | 38% | ||
| National representation | |||||||||||||
| Summer Olympics | NH | A | NH | A | NH | 1R | 0 / 1 | 0–1 | 0% | ||||
| WTA 1000 | |||||||||||||
| Qatar Open | A | A | A | 2R | NMS | 1R | NMS | 1R | NMS | W | 1 / 4 | 6–3 | 67% |
| Dubai | A | A | A | NMS | QF | NMS | QF | NMS | SF | 1R | 0 / 4 | 5–4 | 56% |
| Indian Wells Open | A | A | A | 2R | 1R | NH | 2R | 2R | 2R | QF | 0 / 6 | 6–6 | 50% |
| Miami Open | A | A | 1R | SF | 2R | NH | 1R | 2R | 1R | 1R | 0 / 7 | 5–7 | 42% |
| Madrid Open | A | A | A | A | QF | NH | F | F | 1R | 2R | 0 / 5 | 11–5 | 69% |
| Italian Open | A | A | A | W | F | 2R | 2R | SF | SF | 1R | 1 / 7 | 13–6 | 68% |
| Canadian Open | A | A | A | W | F | NH | 2R | QF | F | 1R | 1 / 6 | 15–5 | 75% |
| Cincinnati Open | A | A | 1R | F | F | W | QF | SF | QF | QF | 1 / 8 | 20–7 | 74% |
| Guadalajara Open | NH | 2R | A | NMS | 0 / 1 | 1–1 | 50% | ||||||
| Wuhan Open | A | A | 1R | W | SF | NH | 1R | 1 / 4 | 7–3 | 70% | |||
| China Open | A | A | 2R | SF | QF | NH | 1R | 1R | 0 / 5 | 5–5 | 50% | ||
| Career statistics | |||||||||||||
| Year-end ranking | N/A | 71 | 45 | 8 | 14 | 12 | 11 | 17 | 19 | 24 | |||
| Result | Year | Tournament | Surface | Partner | Opponents | Score |
| Win | 2018 | Italian Open | Clay | Ashleigh Barty | Andrea Sestini Hlaváčková Barbora Strýcová | 6–3, 6–4 |
| Win | 2018 | Canadian Open | Hard | Ashleigh Barty | Latisha Chan Ekaterina Makarova | 4–6, 6–3, [10–8] |
| Loss | 2018 | Cincinnati Open | Hard | Elise Mertens | Lucie Hradecká Ekaterina Makarova | 2–6, 5–7 |
| Win | 2018 | Wuhan Open | Hard | Elise Mertens | Andrea Sestini Hlaváčková Barbora Strýcová | 6–3, 6–3 |
| Loss | 2019 | Italian Open | Clay | Anna-Lena Grönefeld | Victoria Azarenka Ashleigh Barty | 6–4, 0–6, [3–10] |
| Loss | 2019 | Canadian Open | Hard | Anna-Lena Grönefeld | Barbora Krejčíková Kateřina Siniaková | 5–7, 0–6 |
| Loss | 2019 | Cincinnati Open | Hard | Anna-Lena Grönefeld | Lucie Hradecká Andreja Klepač | 4–6, 1–6 |
| Win | 2020 | Cincinnati Open | Hard | Květa Peschke | Nicole Melichar Xu Yifan | 6–1, 4–6, [10–4] |
| Loss | 2021 | Madrid Open | Clay | Gabriela Dabrowski | Barbora Krejčíková Kateřina Siniaková | 4–6, 3–6 |
| Loss | 2022 | Madrid Open | Clay | Desirae Krawczyk | Gabriela Dabrowski Giuliana Olmos | 6–7(1–7), 7–5, [7–10] |
| Loss | 2023 | Canadian Open | Hard | Desirae Krawczyk | Shuko Aoyama Ena Shibahara | 4–6, 6–4, [11–13] |
| Win | 2024 | Qatar Open | Hard | Luisa Stefani | Caroline Dolehide Desirae Krawczyk | 6–4, 6–2 |
| Win | 2025 | Indian Wells Open | Hard | Asia Muhammad | Tereza Mihalíková Olivia Nicholls | 6–2, 7–6(7–4) |
| Result | Year | Tournament | Surface | Partner | Opponents | Score |
| 4th place | 2024 | Summer Olympics, Paris | Clay | Wesley Koolhof | Gabriela Dabrowski Félix Auger-Aliassime | 3–6, 6–7(2–7) |
| Legend |
| Grand Slam tournaments |
| WTA 1000 (Premier M / 5) 6–7 |
| WTA 500 (Premier) 8–5 |
| WTA 250 (International) 7–4 |
| Finals by surface |
| Hard (11–7) |
| Clay (7–4) |
| Grass (3–5) |
| Finals by setting |
| Outdoor (17–16) |
| Indoor (4–0) |
| Result | W–L | Date | Tournament | Tier | Surface | Partner | Opponents | Score |
| Win | 1–0 | Apr 2015 | Katowice Open, Poland | International | Hard (i) | Ysaline Bonaventure | Gioia Barbieri Karin Knapp | 7–5, 4–6, [10–6] |
| Win | 2–0 | Jul 2015 | Bucharest Open, Romania | International | Clay | Oksana Kalashnikova | Andreea Mitu Patricia Maria Țig | 6–2, 6–2 |
| Loss | 2–1 | Oct 2016 | Tashkent Open, Uzbekistan | International | Hard | Renata Voráčová | Raluca Olaru İpek Soylu | 5–7, 3–6 |
| Loss | 2–2 | Jan 2017 | Auckland Open, New Zealand | International | Hard | Renata Voráčová | Kiki Bertens Johanna Larsson | 2–6, 2–6 |
| Loss | 2–3 | Jun 2017 | Rosmalen Open, Netherlands | International | Grass | Kiki Bertens | Dominika Cibulková Kirsten Flipkens | 6–4, 4–6, [6–10] |
| Loss | 2–4 | Jul 2017 | Bucharest Open, Romania | International | Clay | Elise Mertens | Irina Camelia Begu Raluca Olaru | 3–6, 3–6 |
| Win | 3–4 | Sep 2017 | Guangzhou Open, China | International | Hard | Elise Mertens | Monique Adamczak Storm Sanders | 6–2, 6–3 |
| Win | 4–4 | Jan 2018 | Brisbane International, Australia | Premier | Hard | Kiki Bertens | Andreja Klepač María José Martínez Sánchez | 7–5, 6–2 |
| Win | 5–4 | Jan 2018 | Hobart International, Australia | International | Hard | Elise Mertens | Lyudmyla Kichenok Makoto Ninomiya | 6–2, 6–2 |
| Win | 6–4 | May 2018 | Italian Open, Italy | Premier 5 | Clay | Ashleigh Barty | Andrea Sestini Hlaváčková Barbora Strýcová | 6–3, 6–4 |
| Win | 7–4 | May 2018 | Nuremberg Cup, Germany | International | Clay | Katarina Srebotnik | Kirsten Flipkens Johanna Larsson | 3–6, 6–3, [10–7] |
| Win | 8–4 | Jun 2018 | Rosmalen Open, Netherlands | International | Grass | Elise Mertens | Kiki Bertens Kirsten Flipkens | 3–3 ret. |
| Loss | 8–5 | Jun 2018 | Birmingham Classic, UK | Premier | Grass | Elise Mertens | Tímea Babos Kristina Mladenovic | 6–4, 3–6, [8–10] |
| Win | 9–5 | Aug 2018 | Canadian Open, Canada | Premier 5 | Hard | Ashleigh Barty | Latisha Chan Ekaterina Makarova | 4–6, 6–3, [10–8] |
| Loss | 9–6 | Aug 2018 | Cincinnati Open, US | Premier 5 | Hard | Elise Mertens | Lucie Hradecká Ekaterina Makarova | 2–6, 5–7 |
| Win | 10–6 | Sep 2018 | Wuhan Open, China | Premier 5 | Hard | Elise Mertens | Andrea Sestini Hlaváčková Barbora Strýcová | 6–3, 6–3 |
| Loss | 10–7 | Feb 2019 | Qatar Ladies Open | Premier | Hard | Anna-Lena Grönefeld | Chan Hao-ching Latisha Chan | 1–6, 6–3, [6–10] |
| Loss | 10–8 | May 2019 | Italian Open, Italy | Premier 5 | Clay | Anna-Lena Grönefeld | Victoria Azarenka Ashleigh Barty | 6–4, 0–6, [3–10] |
| Loss | 10–9 | Jun 2019 | Birmingham Classic, UK | Premier | Grass | Anna-Lena Grönefeld | Hsieh Su-wei Barbora Strýcová | 4–6, 7–6(4), [8–10] |
| Loss | 10–10 | Aug 2019 | Canadian Open, Canada | Premier 5 | Hard | Anna-Lena Grönefeld | Barbora Krejčíková Kateřina Siniaková | 5–7, 0–6 |
| Loss | 10–11 | Aug 2019 | Cincinnati Open, US | Premier 5 | Hard | Anna-Lena Grönefeld | Lucie Hradecká Andreja Klepač | 4–6, 1–6 |
| Win | 11–11 | Aug 2020 | Cincinnati Open, US | Premier 5 | Hard | Květa Peschke | Nicole Melichar Xu Yifan | 6–1, 4–6, [10–4] |
| Win | 12–11 | Sep 2020 | Internationaux de Strasbourg, France | International | Clay | Nicole Melichar | Hayley Carter Luisa Stefani | 6–4, 6–3 |
| Win | 13–11 | Mar 2021 | Qatar Ladies Open | WTA 500 | Hard | Nicole Melichar | Monica Niculescu Jeļena Ostapenko | 6–2, 2–6, [10–8] |
| Win | 14–11 | Apr 2021 | Charleston Open, US | WTA 500 | Clay (green) | Nicole Melichar | Marie Bouzková Lucie Hradecká | 6–2, 6–4 |
| Loss | 14–12 | May 2021 | Madrid Open, Spain | WTA 1000 | Clay | Gabriela Dabrowski | Barbora Krejčíková Kateřina Siniaková | 4–6, 3–6 |
| Loss | 14–13 | Jun 2021 | Berlin Open, Germany | WTA 500 | Grass | Nicole Melichar | Victoria Azarenka Aryna Sabalenka | 6–4, 5–7, [4–10] |
| Loss | 14–14 | Jun 2021 | Eastbourne International, UK | WTA 500 | Grass | Nicole Melichar | Shuko Aoyama Ena Shibahara | 1–6, 4–6 |
| Win | 15–14 | Apr 2022 | Stuttgart Open, Germany | WTA 500 | Clay (i) | Desirae Krawczyk | Coco Gauff Zhang Shuai | 6–3, 6–4 |
| Loss | 15–15 | May 2022 | Madrid Open, Spain | WTA 1000 | Clay | Desirae Krawczyk | Gabriela Dabrowski Giuliana Olmos | 6–7(1), 7–5, [7–10] |
| Win | 16–15 | Apr 2023 | Stuttgart Open, Germany (2) | WTA 500 | Clay (i) | Desirae Krawczyk | Nicole Melichar-Martinez Giuliana Olmos | 6–4, 6–1 |
| Win | 17–15 | Jun 2023 | Eastbourne International, UK | WTA 500 | Grass | Desirae Krawczyk | Nicole Melichar-Martinez Ellen Perez | 6–2, 6–4 |
| Loss | 17–16 | Aug 2023 | Canadian Open, Canada | WTA 1000 | Hard | Desirae Krawczyk | Shuko Aoyama Ena Shibahara | 4–6, 6–4, [11–13] |
| Win | 18–16 | Feb 2024 | Qatar Ladies Open (2) | WTA 1000 | Hard | Luisa Stefani | Caroline Dolehide Desirae Krawczyk | 6–4, 6–2 |
| Win | 19–16 | Oct 2024 | Ningbo Open, China | WTA 500 | Hard | Yuan Yue | Nicole Melichar-Martinez Ellen Perez | 6–3, 6–3 |
| Win | 20–16 | Mar 2025 | Indian Wells Open, US | WTA 1000 | Hard | Asia Muhammad | Tereza Mihalíková Olivia Nicholls | 6–2, 7–6(4) |
| Win | 21–17 | Jun 2025 | Queen's Club Championships, UK | WTA 500 | Grass | Asia Muhammad | Anna Danilina Diana Shnaider | 7–5, 6–7(3), [10–4] |
| Legend |
| $25,000 tournaments |
| $10,000 tournaments (1–1) |
| Finals by surface |
| Hard (1–0) |
| Clay (0–1) |
| Result | W–L | Date | Tournament | Surface | Opponent | Score |
| Loss | 0–1 | Oct 2012 | ITF Antalya, Turkey | Clay | Olga Ianchuk | 6–2, 2–6, 6–3 |
| Win | 1–1 | Feb 2014 | ITF Sharm El Sheikh, Egypt | Hard | Emily Webley-Smith | 6–4, 6–2 |
| Legend |
| $100,000 tournaments (1–0) |
| $75,000 tournaments (1–0) |
| $50,000 tournaments (1–1) |
| $25,000 tournaments (9–3) |
| $15,000 tournaments (1–1) |
| $10,000 tournaments (7–2) |
| Finals by surface |
| Hard (5–1) |
| Clay (15–5) |
| Grass (0–1) |
| Result | No. | Date | Tournament | Surface | Partner | Opponents | Score |
| Loss | 1. | Jul 2009 | ITF Bree, Belgium | Clay | An-Sophie Mestach | Kiki Bertens Quirine Lemoine | 1–6, 0–6 |
| Win | 1. | Jul 2010 | ITF Bree, Belgium | Clay | Sofie Oyen | Marcella Koek Marina Melnikova | 6–0, 6–1 |
| Win | 2. | Aug 2010 | ITF Westende, Belgium | Hard | Quirine Lemoine | Alison Van Uytvanck Irina Khromacheva | 3–6, 6–4, [10–4] |
| Win | 3. | Mar 2011 | ITF Antalya, Turkey | Clay | Ilona Kremen | Martina Gledacheva Isabella Shinikova | 3–6, 7–6(3), [10–8] |
| Win | 4. | Apr 2012 | ITF Tessenderlo, Belgium | Clay | Maryna Zanevska | Tatjana Maria Stephanie Vogt | 6–4, 6–3 |
| Win | 5. | Jul 2013 | ITF Aschaffenburg, Germany | Clay | Eva Wacanno | Carolin Daniels Laura Schaeder | 7–5, 1–6, [14–12] |
| Win | 6. | Jul 2013 | ITF Maaseik, Belgium | Clay | Eva Wacanno | Bernice van de Velde Kelly Versteeg | 6–2, 4–6, [10–7] |
| Win | 7. | Aug 2013 | ITF Rotterdam, Netherlands | Clay | Amandine Hesse | Elke Lemmens Sviatlana Pirazhenka | 3–6, 7–5, [10–4] |
| Loss | 2. | Sep 2013 | ITF Alphen a/d Rijn, Netherlands | Clay | Eva Wacanno | Cindy Burger Daniela Seguel | 4–6, 1–6 |
| Win | 8. | Nov 2013 | ITF Bol, Croatia | Clay | Barbora Krejčíková | Vivien Juhászová Tereza Malíková | 6–2, 6–4 |
| Win | 9. | Dec 2013 | ITF Madrid, Spain | Hard | Eva Wacanno | Elitsa Kostova Evgeniya Rodina | 6–1, 6–2 |
| Loss | 3. | Feb 2014 | ITF Sharm El Sheikh, Egypt | Hard | Zarah Razafimahatratra | Ana Veselinović Eugeniya Pashkova | 2–6, 1–6 |
| Loss | 4. | Jun 2014 | ITF Breda, Netherlands | Clay | Eva Wacanno | Sviatlana Pirazhenka Natela Dzalamidze | 4–6, 1–6 |
| Loss | 5. | Aug 2014 | ITF Koksijde, Belgium | Clay | Bernarda Pera | Ysaline Bonaventure Richèl Hogenkamp | 4–6, 4–6 |
| Win | 10. | Aug 2014 | ITF Fleurus, Belgium | Clay | Elise Mertens | Tatiana Búa Daniela Seguel | 6–2, 6–3 |
| Win | 11. | Aug 2014 | ITF Fleurus, Belgium | Clay | Arantxa Rus | Hilda Melander Marina Melnikova | 6–4, 6–1 |
| Win | 12. | Nov 2014 | ITF Sharm El Sheikh, Egypt | Hard | Marie Benoît | Valentyna Ivakhnenko Polina Monova | 6–4, 7–5 |
| Win | 13. | Dec 2014 | ITF Sousse, Tunisia | Hard | Kelly Versteeg | Vivien Juhászová Tereza Malíková | 6–3, 6–0 |
| Win | 14. | Feb 2015 | Open de l'Isère, France | Hard (i) | Hiroko Kuwata | Manon Arcangioli Cindy Burger | 6–1, 6–3 |
| Win | 15. | Feb 2015 | ITF Beinasco, Italy | Clay (i) | Daniela Seguel | Xenia Knoll Alice Matteucci | 6–4, 4–6, [11–9] |
| Loss | 6. | Jun 2015 | Ilkley Trophy, UK | Grass | An-Sophie Mestach | Raluca Olaru Xu Yifan | 3–6, 4–6 |
| Win | 16. | Aug 2015 | ITF Koksijde, Belgium | Clay | Elise Mertens | Justyna Jegiołka Sherazad Reix | 6–3, 6–2 |
| Loss | 7. | Apr 2016 | Wiesbaden Open, Germany | Clay | Steffi Distelmans | Marie Benoît Arantxa Rus | 2–6, 2–6 |
| Win | 17. | May 2016 | Open de Cagnes-sur-Mer, France | Clay | Andreea Mitu | Xenia Knoll Aleksandra Krunić | 6–4, 7–5 |
| Win | 18. | May 2016 | Open Saint-Gaudens, France | Clay | Renata Voráčová | Nicola Geuer Viktorija Golubic | 6–1, 6–2 |
| Win | 19. | Jul 2016 | Prague Open, Czech Republic | Clay | Renata Voráčová | Sílvia Soler Espinosa Sara Sorribes Tormo | 7–5, 3–6, [10–4] |
| Win | 20. | Aug 2016 | ITF Koksijde, Belgium | Clay | Steffi Distelmans | Başak Eraydın Ilona Kremen | 6–1, 6–4 |
| Result | Year | Tournament | Surface | Partner | Opponents | Score |
| Win | 2011 | Australian Open | Hard | An-Sophie Mestach | Eri Hozumi Miyu Kato | 6–2, 6–3 |
| Loss | 2011 | French Open | Clay | Victoria Kan | Irina Khromacheva Maryna Zanevska | 4–6, 5–7 |
| Loss | 2011 | Wimbledon | Grass | Tang Haochen | Eugenie Bouchard Grace Min | 5–7, 6–2, 5–7 |
| Win | 2011 | US Open | Hard | Irina Khromacheva | Gabrielle Andrews Taylor Townsend | 6–4, 5–7, [10–5] |