Dia Evtimova (; born 30 April 1987) is a Bulgarian tennis player. She reached a career-high WTA rankings singles ranking of world No. 145 on 31 October 2011 and a doubles ranking of No. 228 on 23 June 2014.
She has more than 600 match wins on the ITF circuit which puts her in the top 50 on the List of Open Era, and seventh among the active players, as of June 2025. Evtimova also played for Bulgarian Fed Cup team, with a 15–21 record.
In 2011, she qualified for the Gastein Ladies and reached her first quarterfinal on the WTA Tour, before she was defeated by Patricia Mayr-Achleitner.
| {class="wikitable" style=font-size:85% !Legend |
| $50,000 tournaments |
| $25,000 tournaments |
| $10/15,000 tournaments |
| Hard (2–0) |
| Clay (8–15) |
| Carpet (0–1) |
| Loss | 0–1 | ITF Maribor, Slovenia | 10,000 | Clay | Mari Andersson | 5–7, 3–6 | |
| Loss | 0–2 | ITF Volos, Greece | 10,000 | Carpet | Patricia Mayr-Achleitner | 4–6, 6–7(5) | |
| Loss | 0–3 | ITF Rousse, Bulgaria | 10,000 | Clay | Maria Penkova | 7–5, 4–6, 1–6 | |
| Win | 1–3 | ITF Haskovo, Bulgaria | 10,000 | Clay | Anna Gerasimou | 6–4, 6–7(5), 6–3 | |
| Loss | 1–4 | ITF Maribor, Slovenia | 10,000 | Clay | Andreja Klepač | 4–6, 6–2, 3–6 | |
| Win | 2–4 | ITF Palić, Serbia and Montenegro | 10,000 | Clay | Iveta Gerlová | 6–0, 6–4 | |
| Loss | 2–5 | Royal Cup, Montenegro | 25,000 | Clay | Ana Veselinović | 4–6, 5–7 | |
| Loss | 2–6 | ITF Bucharest, Romania | 25,000 | Clay | Julia Görges | 0–6, 1–6 | |
| Loss | 2–7 | ITF Rome, Italy | 10,000 | Clay | Karolina Kosińska | 2–6, 6–3, 4–6 | |
| Loss | 2–8 | ITF Bucharest, Romania | 10,000 | Clay | Elena Bogdan | 3–6, 1–6 | |
| Win | 3–8 | ITF Sandanski, Bulgaria | 10,000 | Clay | Tanya Germanlieva | 6–3, 6–0 | |
| Loss | 3–9 | Oct 2009 | ITF Dobrich, Bulgaria | 10,000 | Clay | Simona Matei | 2–6, 3–6 |
| Loss | 3–10 | ITF Madrid, Spain | 50,000 | Clay | Anna Floris | 1–6, 3–6 | |
| Win | 4–10 | ITF Antalya, Turkey | 10,000 | Clay | Marion Gaud | 6–3, 6–4 | |
| Win | 5–10 | ITF Ystad, Sweden | 25,000 | Clay | Jana Čepelová | 6–3, 6–4 | |
| Win | 6–10 | Zagreb Ladies Open, Croatia | 50,000 | Clay | Anastasia Pivovarova | 6–2, 6–2 | |
| Loss | 6–11 | ITF Indian Harbour Beach, United States | 50,000 | Clay | Petra Rampre | 0–6, 1–6 | |
| Win | 7–11 | ITF Burgas, Bulgaria | 10,000 | Clay | Viktoriya Tomova | 6–1, 6–2 | |
| Loss | 7–12 | ITF Torino, Italy | 25,000 | Clay | Alizé Lim | 6–3, 4–6, 4–6 | |
| Loss | 7–13 | ITF Antalya, Turkey | 10,000 | Clay | Tayisiya Morderger | 5–7, 1–6 | |
| Win | 8–13 | ITF Antalya, Turkey | 15,000 | Clay | Valentina Ivakhnenko | w/o | |
| Loss | 8–14 | ITF Antalya, Turkey | 15,000 | Clay | Ekaterina Vishnevskaya | 3–6, 6–0, 5–7 | |
| Loss | 8–15 | ITF Antalya, Turkey | 15,000 | Clay | Maryna Chernyshova | 6–3, 5–7, 0–6 | |
| Loss | 8–16 | ITF Antalya, Turkey | 15,000 | Clay | Federica Bilardo | 1–6, 6–4, 1–6 | |
| Win | 9–16 | ITF Herzlia, Israel | 15,000 | Hard | Tamara Barad Itzhaki | 6–0, 6–3 | |
| Win | 10–16 | ITF Ofakim, Israel | 15,000 | Hard | Anastasia Pribylova | 6–4, 3–6, 7–6(6) |
| {class="wikitable" style=font-size:85% !Legend |
| $25,000 tournaments |
| $10/15,000 tournaments |
| Hard (4–2) |
| Clay (16–14) |
| Win | 1–0 | ITF Rousse, Bulgaria | 10,000 | Clay | Karoline Borgersen | Biljana Pawlowa-Dimitrova Nadejda Vassileva | 6–0, 6–0 | |
| Loss | 1–1 | ITF Haskovo, Bulgaria | 10,000 | Clay | Nicole Clerico | Rita Esteves de Freitas Neda Kozić | 4–6, 4–6 | |
| Win | 2–1 | ITF Horb, Germany | 10,000 | Clay | Josipa Bek | Julia Görges Lydia Steinbach | 3–6, 6–3, 6–3 | |
| Loss | 2–2 | ITF Maribor, Slovenia | 10,000 | Clay | Maša Zec Peškirič | Diana Enache Antonia Xenia Tout | w/o | |
| Loss | 2–3 | ITF Rousse, Bulgaria | 10,000 | Clay | Malou Ejdesgaard | Ioana Ivan Simona Matei | 1–6, 4–6 | |
| Loss | 2–4 | ITF Périgueux, France | 25,000 | Clay | Anna Katalina Alzate Esmurzaeva | Michaela Hončová Laura Thorpe | 6–7(3), 1–6 | |
| Loss | 2–5 | ITF Denain, France | 25,000 | Clay | Laura Ioana Andrei | Tatiana Búa Arabela Fernández Rabener | 5–7, 2–6 | |
| Win | 3–5 | ITF Istanbul, Turkey | 10,000 | Hard | Melis Sezer | Khristina Kazimova Vladyslava Zanosiyenko | 7–5, 6–3 | |
| Win | 4–5 | Allianz Cup, Bulgaria | 25,000 | Clay | Viktoriya Tomova | Beatriz García Vidagany Réka Luca Jani | 6–4, 2–6, 10–6 | |
| Win | 5–5 | ITF Burgas, Bulgaria | 10,000 | Clay | Viktoriya Tomova | Federica Arcidiacono Julia Terziyska | 6–4, 6–3 | |
| Loss | 5–6 | ITF Mérida, Mexico | 25,000 | Hard | Hsu Chieh-yu | Barbara Bonić Hilda Melander | 3–6, 5–7 | |
| Loss | 5–7 | ITF Pelham, United States | 25,000 | Clay | Ilona Kremen | Danielle Lao Keri Wong | 6–1, 4–6, 7–10 | |
| Win | 6–7 | Bursa Cup, Turkey | 10,000 | Clay | Isabella Shinikova | Ailen Crespo Azconzábal Ana Victoria Gobbi Monllau | 6–2, 3–6, 10–7 | |
| Loss | 6–8 | ITF Orlando, United States | 10,000 | Clay | Ema Burgić Bucko | Ulrikke Eikeri Quirine Lemoine | 1–6, 3–6 | |
| Loss | 6–9 | ITF Ystad, Sweden | 25,000 | Clay | Pia König | Cornelia Lister Nina Stojanović | 4–6, 2–6 | |
| Win | 7–9 | Palić Open, Serbia | 10,000 | Clay | Barbara Bonić | Nina Potočnik Petra Krejsová | 6–3, 6–3 | |
| Loss | 7–10 | ITF Antalya, Turkey | 10,000 | Clay | Valeria Gorlats | Ayla Aksu Melis Sezer | 1–6, 6–7(5) | |
| Win | 8–10 | ITF Antalya, Turkey | 10,000 | Clay | Melis Sezer | Ágnes Bukta Vivien Juhászová | 6–4, 6–3 | |
| Win | 9–10 | ITF Antalya, Turkey | 15,000 | Clay | Jasmina Tinjić | Tayisiya Morderger Yana Morderger | 6–4, 6–7(4), 10–5 | |
| Win | 10–10 | ITF Antalya, Turkey | 15,000 | Clay | Jasmina Tinjić | Tayisiya Morderger Yana Morderger | 2–6, 6–3, 10–8 | |
| Loss | 10–11 | ITF Antalya, Turkey | 15,000 | Clay | Jasmina Tinjić | Anastasia Frolova Alena Tarasova | 5–7, 1–6 | |
| Win | 11–11 | ITF Istanbul, Turkey | 15,000 | Clay | Jasmina Tinjić | Chihiro Muramatsu Melis Sezer | 6–4, 6–2 | |
| Win | 12–11 | ITF Varna, Bulgaria | 15,000 | Clay | Michaela Boev | Maia Lumsden Julia Stamatova | 2–6, 7–6(5), 10–3 | |
| Win | 13–11 | ITF Sozopol, Bulgaria | 15,000 | Hard | Michaela Boev | Julia Stamatova Léa Tholey | 6–2, 4–6, 16–14 | |
| Loss | 13–12 | ITF Antalya, Turkey | 15,000 | Clay | Réka Luca Jani | Maryna Chernyshova Sviatlana Pirazhenka | 4–6, 1–6 | |
| Loss | 13–13 | ITF Antalya, Turkey | 15,000 | Clay | Paula Ormaechea | Cristina Dinu Mia Eklund | 3–6, 2–6 | |
| Loss | 13–14 | ITF Orlando, United States | 15,000 | Clay | Ilona Kremen | Caty McNally Whitney Osuigwe | 2–6, 3–6 | |
| Win | 14–14 | ITF Antalya, Turkey | 15,000 | Clay | Angelina Zhuravleva | Maryna Chernyshova Melis Sezer | 7–5, 3–6, 14–12 | |
| Win | 15–14 | ITF Antalya, Turkey | 15,000 | Hard | Ágnes Bukta | Veronika Pepelyaeva Anastasia Tikhonova | 6–3, 3–6, 11–9 | |
| Win | 16–14 | Nov 2020 | ITF Monastir, Tunisia | W15 | Hard | Carole Monnet | Weronika Falkowska Anna Kubareva | 6–3, 2–6, 10–5 |
| Win | 17–14 | May 2022 | ITF Antalya, Turkey | W15 | Clay | Inês Murta | Rina Saigo Yukina Saigo | 6–0, 6–2 |
| Win | 18–14 | ITF Antalya, Turkey | W15 | Clay | Martina Colmegna | Doğa Türkmen Melis Ayda Uyar | 6–2, 3–6, 10–8 | |
| Loss | 18–15 | Mar 2024 | ITF Antalya, Turkey | W15 | Clay | İlay Yörük | Denisa Hindová Vittoria Modesti | 5–7, 3–6 |
| Win | 19–15 | May 2024 | ITF Antalya, Turkey | W15 | Clay | Verena Meliss | Aya El Aouni Francesca Pace | 6–4, 7–6(2) |
| Loss | 19–16 | Sep 2025 | ITF Kayseri, Turkiye | W15 | Hard | Vivien Sandberg | María Herazo González Alana Subasic | 7–6(4), 2–6, 9–11 |
| Win | 20–16 | Oct 2025 | ITF Hilton Head Island, United States | W15 | Clay | Elena-Teodora Cadar | Bella Payne Sara Shumate | 6–1, 2–6, 10–4 |
| 2007 | Z1 RR | 18 Apr 2007 | Plovdiv () | Clay | Elena Baltacha | L | 6–4, 4–6, 6–8 | |
| 19 Apr 2007 | Urszula Radwańska | L | 1–6, 3–6 | |||||
| 20 Apr 2007 | Mandy Minella | L | 3–6, 7–5, 3–6 | |||||
| Z1 RPO | 21 Apr 2007 | Julija Gotovskytė | W | 6–1, 3–0 ret. | ||||
| 2008 | Z1 RR | 30 Jan 2008 | Budapest () | Carpet (i) | Ana Catarina Nogueira | W | 6–2, 7–5 | |
| 31 Jan 2008 | Luxembourg | Mandy Minella | L | 3–6, 7–6(7–2), 3–6 | ||||
| 1 Feb 2008 | Renée Reinhard | L | 0–6, 3–6 | |||||
| Z1 PO | 2 Feb 2008 | Ágnes Szávay | L | 0–6, 0–6 | ||||
| 2010 | Z1 RR | 3 Feb 2010 | Lisbon () | Netherlands | Hard (i) | Chayenne Ewijk | L | 1–6, 7–6(8–6), 2–6 |
| 4 Feb 2010 | Keren Shlomo | W | 6–0, 6–3 | |||||
| Z1 RPO | 6 Feb 2010 | Portugal | Neuza Silva | W | 6–1, 6–1 | |||
| 2011 | Z1 RR | 3 Feb 2011 | Eilat () | Luxembourg | Hard | Anne Kremer | L | 3–6, 3–6 |
| Z1 RPO | 5 Feb 2011 | Irina Kuzmina | W | 5–7, 6–3, 6–3 | ||||
| 2012 | Z1 PO | 5 Feb 2012 | Eilat (ISR) | Portugal | Hard | Michelle Larcher de Brito | L | 1–6, 1–6 |
| 2013 | Z1 RR | 7 Feb 2013 | Eilat (ISR) | Netherlands | Hard | Richèl Hogenkamp | W | 4–6, 6–4, 6–2 |
| 9 Feb 2013 | Tina Rupert | W | 6–1, 6–0 | |||||
| Z1 PPO | 10 Feb 2013 | Great Britain | Laura Robson | L | 0–6, 4–6 | |||
| 2015 | Z1 RR | 6 Feb 2015 | Budapest (HUN) | Hard (i) | Ekaterine Gorgodze | L | 4–6, 4–6 | |
| Z1 PO | 7 Feb 2015 | Elina Svitolina | L | 2–6, 3–6 | ||||
| 2016 | Z1 PO | 6 Feb 2016 | Eilat (ISR) | Georgia | Hard | Ekaterine Gorgodze | L | 6–0, 4–6, 2–6 |
| 2007 | Z1 RR | 20 Apr 2007 | Plovdiv () | Clay | Dessislava Mladenova | Mandy Minella Lynn Philippe | W | 3–6, 7–6(7–3), 0–1 ret. | |
| 2008 | Z1 RR | 30 Jan 2008 | Budapest () | Carpet (i) | Tsvetana Pironkova | Magali de Lattre Maria João Koehler | W | 6–1, 6–2 | |
| 31 Jan 2008 | Luxembourg | Tsvetana Pironkova | Mandy Minella Claudine Schaul | W | 6–4, 6–3 | ||||
| 2010 | Z1 RR | 3 Feb 2010 | Lisbon () | Hard (i) | Tsvetana Pironkova | Richèl Hogenkamp Nicole Thyssen | W | 7–5, 5–7, 6–2 | |
| 4 Feb 2010 | Tsvetana Pironkova | Julia Glushko Shahar Pe'er | L | 2–6, 5–7 | |||||
| 2011 | Z1 RR | 4 Feb 2011 | Eilat () | Israel | Hard | Magdalena Maleeva | Valeria Patiuk Keren Shlomo | W | 6–3, 6–4 |
| 2012 | Z1 RR | 1 Feb 2012 | Eilat (ISR) | Hard | Tsvetana Pironkova | Eva Paalma Tatjana Vorobjova | W | w/o | |
| 3 Feb 2012 | Tsvetana Pironkova | Yvonne Meusburger Patricia Mayr | L | 1–6, 2–6 | |||||
| 2013 | Z1 RR | 8 Feb 2013 | Eilat (ISR) | Luxembourg | Hard | Isabella Shinikova | Laura Correia Tiffany Cornelius | W | 6–2, 6–2 |
| 2015 | Z1 RR | 4 Feb 2015 | Budapest (HUN) | Portugal | Hard (i) | Viktoriya Tomova | Michelle Larcher de Brito Bárbara Luz | W | 6–0, 6–3 |
| 5 Feb 2015 | Viktoriya Tomova | Vera Lapko Aliaksandra Sasnovich | L | 5–7, 1–6 | |||||
| 6 Feb 2015 | Elitsa Kostova | Oksana Kalashnikova Sofia Shapatava | L | 3–6, 2–6 | |||||
| 2016 | Z1 RR | 3 Feb 2016 | Eilat (ISR) | Hard | Isabella Shinikova | Dalma Gálfi Fanny Stollár | L | 3–6, 1–6 | |
| 4 Feb 2016 | Isabella Shinikova | Diāna Marcinkēviča Jeļena Ostapenko | L | 6–4, 0–6, 5–7 | |||||
| 5 Feb 2016 | Isabella Shinikova | Marie Benoît An-Sophie Mestach | L | 7–6(7–4), 2–6, 4–6 |
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