# María Portillo Ramírez

María José Portillo Ramírez (born 8 May 1999) is a Mexican tennis player.
She has career-high WTA rankings of 377 in singles and 229 in doubles. Portillo Ramírez has won two singles titles and 18 doubles titles at tournaments of the ITF Women's Circuit.
Playing for the Mexico Fed Cup team, she has a win/loss record of 3–1.

## ITF Circuit finals
### Singles: 7 (2 titles, 5 runner–ups)

* Legend
* W35 tournaments
* W15 tournaments (2–5)
* Finals by surface
* Hard (2–4)
* Clay (0–1)
| Result | W–L | Date | Tournament | Tier | Surface | Opponent | Score |
| Win | 1–0 | May 2018 | ITF Tacarigua, Trinidad and Tobago | W15 | Hard | Andrea Renée Villarreal | 6–2, 6–2 |
| Loss | 1–1 | May 2019 | ITF Cancún, Mexico | W15 | Hard | Marcela Zacarías | 3–6, 1–6 |
| Win | 2–1 | Nov 2019 | ITF Cancún, Mexico | W15 | Hard | Tiphanie Fiquet | 6–7$^{(4)}$, 7–5, 6–2 |
| Loss | 2–2 | Jun 2021 | ITF Heraklion, Greece | W15 | Clay | Jéssica Bouzas Maneiro | 3–6, 0–6 |
| Loss | 2–3 | Oct 2021 | ITF Cancún, Mexico | W15 | Hard | Darja Semenistaja | 3–6, 5–7 |
| Loss | 2–4 | Oct 2021 | ITF Cancún, Mexico | W15 | Hard | Darja Semenistaja | 7–5, 6–7$^{(5)}$, 0–6 |
| Loss | 2–5 | Jan 2022 | ITF Cancún, Mexico | W15 | Hard | Hina Inoue | 6–1, 3–6, 6–7$^{(6)}$ |

### Doubles: 25 (18 titles, 7 runner–ups)

* Legend
* W40/50 tournaments (0–1)
* W25/35 tournaments (6–4)
* W15 tournaments (12–2)
* Finals by surface
* Hard (10–3)
* Clay (8–4)
| Result | W–L | Date | Tournament | Tier | Surface | Partner | Opponents | Score |
| Win | 1–0 | Nov 2017 | ITF Cúcuta, Colombia | W15 | Clay | Emily Appleton | Sofía Munera Sánchez Noelia Zeballos | 6–3, 7–6$^{(2)}$ |
| Win | 2–0 | Nov 2017 | ITF Manta, Ecuador | W15 | Hard | Sofia Sewing | Emily Appleton María Herazo González | 6–1, 6–3 |
| Win | 3–0 | Dec 2017 | ITF Guayaquil, Ecuador | W15 | Clay | Sofia Sewing | Stephanie Nemtsova Dominique Schaefer | 7–5, 6–2 |
| Loss | 3–1 | Apr 2018 | ITF Pelham, United States | W25 | Clay | Maria Mateas | Alexa Guarachi Erin Routliffe | 1–6, 2–6 |
| Win | 4–1 | May 2018 | ITF Tacarigua, Trinidad and Tobago | W15 | Hard | Emily Appleton | Kerrie Cartwright Kariann Pierre-Louis | 6–4, 6–3 |
| Loss | 4–2 | Nov 2018 | ITF Norman, United States | W25 | Hard | Sofia Sewing | Vladica Babić Ena Shibahara | 2–6, 3–6 |
| Win | 5–2 | Mar 2019 | ITF Cancún, Mexico | W15 | Hard | Emily Appleton | Dasha Ivanova Alexandra Perper | 7–6$^{(4)}$, 6–4 |
| Loss | 5–3 | Apr 2019 | ITF Cancún, Mexico | W15 | Hard | Emily Appleton | Natsumi Kawaguchi Maya Tahan | 1–6, 2–6 |
| Win | 6–3 | May 2019 | ITF Cancún, Mexico | W15 | Hard | Marcela Zacarías | Eduarda Piai Kirsten-Andrea Weedon | 6–2, 6–2 |
| Win | 7–3 | May 2019 | ITF Cancún, Mexico | W15 | Hard | Marcela Zacarías | Thaisa Grana Pedretti Eduarda Piai | 6–3, 7–6$^{(10)}$ |
| Win | 8–3 | Jul 2019 | ITF Cancún, Mexico | W15 | Hard | Thaisa Grana Pedretti | Dewi Dijkman Isabelle Haverlag | 7–5, 6–3 |
| Win | 9–3 | Jul 2019 | ITF Cancún, Mexico | W15 | Hard | Thaisa Grana Pedretti | Haine Ogata Aiko Yoshitomi | 6–4, 6–4 |
| Win | 10–3 | Sep 2019 | ITF Lubbock, United States | W15 | Hard | Sofia Sewing | Shiori Fukuda Ashlyn Krueger | 6–2, 6–4 |
| Win | 11–3 | Nov 2019 | ITF Naples, United States | W25 | Hard | Gabriela Talabă | Lea Bošković Seone Mendez | 7–5, 6–2 |
| Win | 12–3 | Mar 2021 | ITF Amiens, France | W15+H | Clay (i) | Seone Mendez | Elsa Jacquemot Victoria Jiménez Kasintseva | 6–4, 6–3 |
| Loss | 12–4 | Apr 2021 | ITF Antalya, Turkey | W15 | Clay | María Paulina Pérez | Jang Su-jeong Lee So-ra | 2–6, 6–2, [7–10] |
| Loss | 12–5 | Jul 2021 | ITF The Hague, Netherlands | W25 | Clay | Panna Udvardy | Marie Benoît Ioana Loredana Roșca | 7–6$^{(5)}$, 5–7, [7–10] |
| Win | 13–5 | Sep 2021 | ITF Cancún, Mexico | W15 | Hard | Victoria Rodríguez | Chelsea Fontenel Qavia Lopez | 6–1, 6–1 |
| Loss | 13–6 | Nov 2021 | ITF Orlando, United States | W25 | Clay | Marine Partaud | Anna Rogers Christina Rosca | 3–6, 1–6 |
| Win | 14–6 | Nov 2023 | ITF Heraklion, Greece | W25 | Clay | Martina Colmegna | Margarita Ignatjeva Elena Korokozidi | 6–2, 6–4 |
| Loss | 14–7 | Feb 2024 | ITF Mexico City, Mexico | W50 | Hard | Thaisa Grana Pedretti | Jessie Aney Jessica Failla | 6–3, 4–6, [8–10] |
| Win | 15–7 | Apr 2024 | ITF Mosquera, Colombia | W35 | Clay | Jazmín Ortenzi | Nicole Fossa Huergo Miriana Tona | 6–3, 6–2 |
| Win | 16–7 | May 2024 | ITF Anapoima, Colombia | W35 | Clay | Jazmín Ortenzi | Nicole Fossa Huergo Miriana Tona | 6–4, 6–3 |
| Win | 17–7 | May 2024 | ITF Sopo, Colombia | W35 | Clay | Noelia Zeballos | Yuliana Lizarazo Rebeca Pereira | 6–4, 6–4 |
| Win | 18–7 | Sep 2024 | ITF Reus, Spain | W35 | Clay | Ylena In-Albon | Julia Grabher Caroline Werner | 6–4, 6–3 |