Maria Glebovna Timofeeva (mɐˈrʲijə tʲɪmɐˈfʲe(j)ɪvə; born 18 November 2003) is a Russian-born Uzbekistani professional tennis player. She has a career-high WTA rankings singles ranking of No. 93, achieved on 1 April 2024 and a best doubles ranking of No. 179, achieved on 13 February 2023.
Timofeeva has won one WTA Tour title in singles at 2023 Budapest Grand Prix. She also earned five singles and six doubles titles on the ITF Women's Circuit.
Ranked No. 170, she qualified for the 2024 Australian Open making her Grand Slam tournament debut. She defeated Alizé Cornet, former Australian Open champion Caroline Wozniacki and 10th seed Beatriz Haddad Maia to advance to the fourth round where she lost to Marta Kostyuk. She reached the top 100 on 29 January 2024, moving up 70 positions, becoming the first 2003-born player to enter the Top 100.
Timofeeva qualified for the 2024 Miami Open and defeated Varvara Gracheva, before losing in the second round to 26th seed Linda Nosková.
At the 2024 French Open, she lost in the first round to Wang Yafan in straight sets. Attempting to defend her Budapest Grand Prix title, Timofeeva won her opening match against qualifier Simona Waltert but then lost to Aliaksandra Sasnovich in round two.
| Australian Open | A | 4R | 3–1 |
| French Open | Q3 | 1R | 0–1 |
| Wimbledon | Q1 | Q1 | 0–0 |
| US Open | Q1 | Q2 | 0–0 |
| Win–loss | 0–0 | 3–2 | 3–2 |
| {class="wikitable" style=font-size:90% !Legend |
| Grand Slam (–) |
| WTA 1000 (–) |
| WTA 500 (–) |
| WTA 250 (1–0) |
| Hard (–) |
| Clay (1–0) |
| Grass (–) |
| Outdoor (1–0) |
| Indoor (–) |
| Win | 1–0 | Budapest Grand Prix, Hungary | WTA 250 | Clay | Kateryna Baindl | 6–3, 3–6, 6–0 |
| Loss | 0–1 | Changsha Open, China | Clay | Veronika Erjavec | 1–6, 2–6 |
| $100,000 tournaments (1–0) |
| $60,000 tournaments (1–0) |
| $40,000 tournaments (1–1) |
| $25,000 tournaments (1–2) |
| $15,000 tournaments (3–1) |
| Win | 1–0 | Sep 2019 | ITF Antalya, Turkey | 15,000 | Hard | Svenja Ochsner | 7–6(3), 7–5 |
| Win | 2–0 | Feb 2020 | ITF Monastir, Tunisia | 15,000 | Hard | Karin Kennel | 7–5, 6–4 |
| Loss | 2–1 | Feb 2020 | ITF Monastir, Tunisia | 15,000 | Hard | Ilona Georgiana Ghioroaie | 5–7, 1–6 |
| Win | 3–1 | Apr 2021 | ITF Cairo, Egypt | 15,000 | Clay | Sandra Samir | 6–3, 6–3 |
| Loss | 3–2 | Jun 2022 | ITF Ra'anana, Israel | 25,000 | Hard | Polina Kudermetova | 6–4, 4–6, 5–7 |
| Win | 4–2 | Jun 2022 | ITF Ra'anana, Israel | 25,000 | Hard | Valeria Savinykh | 6–1, 6–2 |
| Win | 5–2 | Jan 2023 | ITF Monastir, Tunisia | 40,000 | Hard | Sakura Hosogi | 7–5, 6–4 |
| Loss | 5–3 | Apr 2023 | ITF Murska Sobota, Slovenia | 40,000 | Hard (i) | Magali Kempen | 5–7, 5–7 |
| Loss | 5–4 | Apr 2023 | ITF Sharm El Sheik, Egypt | 25,000 | Hard | Tímea Babos | 4–6, 1–6 |
| Win | 6–4 | Jul 2025 | Figueira da Foz Open, Portugal | 100,000 | Hard | Alina Korneeva | 6–3, 6–0 |
| Win | 7–4 | Oct 2025 | The Campus Open, Portugal | 60,000 | Hard | Alexis Blokhina | 7–6(7), 7–6(3) |
| $60,000 tournaments (1–5) |
| $25,000 tournaments (3–5) |
| $15,000 tournaments (2–0) |
| Win | 1–0 | Feb 2021 | ITF Monastir, Tunisia | 15,000 | Hard | Linda Fruhvirtová | Nina Radovanovic Sopiko Tsitskishvili | 6–1, 6–2 |
| Win | 2–0 | Apr 2021 | ITF Cairo, Egypt | 15,000 | Clay | Elina Avanesyan | Isabelle Haverlag Merel Hoedt | 1–6, 6–4, 10–8 |
| Win | 3–0 | Jul 2021 | President's Cup, Kazakhstan | 60,000 | Hard | Alina Charaeva | Evgeniya Levashova Laura Pigossi | 7–6(5), 2–6, 10–6 |
| Loss | 3–1 | Aug 2021 | Verbier Open, Switzerland | 25,000 | Hard | Diāna Marcinkēviča | Erika Andreeva Ekaterina Makarova | 6–7(2), 1–6 |
| Loss | 3–2 | Jan 2022 | ITF Monastir, Tunisia | 25,000 | Hard | Amina Anshba | Eudice Chong Cody Wong | 0–6, 1–6 |
| Loss | 3–3 | Jan 2022 | ITF Monastir, Tunisia | 25,000 | Hard | Anna Kubareva | Eudice Chong Han Na-lae | 5–7, 3–6 |
| Loss | 3–4 | Feb 2022 | Nur-Sultan Challenger, Kazakhstan | 60,000 | Hard (i) | Anna Sisková | Linda Nosková Ekaterina Makarova | 2–6, 3–6 |
| Loss | 3–5 | Mar 2022 | Nur-Sultan Challenger 2, Kazakhstan | 25,000 | Hard (i) | Anna Sisková | Kamilla Bartone Ekaterina Makarova | 6–1, 5–7, 8–10 |
| Loss | 3–6 | Mar 2022 | ITF Antalya, Turkey | 25,000 | Clay | Amina Anshba | Diana Shnaider Amarissa Kiara Tóth | 4–6, 2–6 |
| Win | 4–6 | Apr 2022 | ITF Chiang Rai, Thailand | 25,000 | Hard | Gozal Ainitdinova | Momoko Kobori Luksika Kumkhum | 2–6, 7–5, 10–4 |
| Loss | 4–7 | Jun 2022 | Open de Biarritz, France | 60,000 | Clay | María Lourdes Carlé | Anna Danilina Valeriya Strakhova | 6–2, 3–6, 12–14 |
| Win | 5–7 | Jun 2022 | ITF Ra'anana, Israel | 25,000 | Hard | Sofya Lansere | Elena-Teodora Cadar Fanny Stollár | 6–3, 7–6(5) |
| Win | 6–7 | Jul 2022 | ITF Aschaffenburg, Germany | 25,000 | Clay | Irina Khromacheva | Karolína Kubáňová Ivana Šebestová | 6–2, 5–7, 10–3 |
| Loss | 6–8 | Nov 2022 | Meitar Open, Israel | 60,000 | Hard | Anna Kubareva | Valentini Grammatikopoulou Ekaterina Yashina | 3–6, 5–7 |
| Loss | 6–9 | Feb 2023 | Open de Grenoble, France | 60,000 | Hard (i) | Sofya Lansere | Freya Christie Ali Collins | 4–6, 3–6 |
| Loss | 6–10 | Oct 2025 | The Campus Open, Portugal | 60,000 | Hard | Anna Sisková | Francisca Jorge Matilde Jorge | 6–4, 5–7, 7–10 |
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