# Mariana Díaz Oliva

Mariana Díaz Oliva (born 11 March 1976) is a former professional tennis player from Argentina.
She played professionally from September 1992 until 12 October 2006. Her highest ranks were world No. 42 for singles and No. 93 for doubles, both achieved in 2001. At the 2001 Bol Open, she defeated Kim Clijsters to reach the final, where she lost to Ángeles Montolio. In 2002, she won the Internazionali Femminili di Palermo. In 2003, she also reached the Mexican Open singles final.

## WTA Tour finals
### Singles: 3 (1 title, 2 runner-ups)

* Legend
* Tier I (0–0)
* Tier II (0–0)
* Tier III, IV & V (1–2)
| Result | Date | Tournament | Surface | Opponent | Score |
| Loss | May 2001 | Bol Open, Croatia | Clay | Ángeles Montolio | 6–3, 2–6, 5–7 |
| Win | Jul 2002 | Palermo Open, Italy | Clay | Vera Zvonareva | 6–7$^{(6–8)}$, 6–1, 6–3 |
| Loss | Mar 2003 | Mexican Open | Clay | Amanda Coetzer | 5–7, 3–6 |

### Doubles: 2 (runner-ups)

* Legend
* Tier I (0–0)
* Tier II (0–0)
* Tier III, IV & V (0–2)
| Result | Date | Tournament | Surface | Partner | Opponents | Score |
| Loss | Oct 2006 | Korea Open, South Korea | Hard | Chuang Chia-jung | Virginia Ruano Pascual Paola Suárez | 2–6, 3–6 |
| Loss | Oct 2006 | Bangkok Open, Thailand | Hard | Natalie Grandin | Vania King Jelena Kostanić | 5–7, 6–2, 5–7 |

## ITF finals

* Legend
* $75,000 tournaments
* $50,000 tournaments
* $25,000 tournaments
* $10,000 tournaments

### Singles: 27 (16–11)

| Result | No. | Date | Tournament | Surface | Opponent | Score |
| Win | 1. | 19 October 1992 | ITF Buenos Aires, Argentina | Clay | Cláudia Chabalgoity | 6–4, 2–6, 6–2 |
| Win | 2. | 2 August 1993 | ITF Dublin, Ireland | Clay | Vanina Casanova | 6–4, 6–3 |
| Win | 3. | 9 August 1993 | ITF Rebecq, Belgium | Clay | Stefania Pifferi | 0–6, 6–4, 6–1 |
| Win | 4. | 16 August 1993 | ITF Koksijde, Belgium | Clay | Stephanie Devillé | 6–1, 6–3 |
| Loss | 5. | 18 October 1993 | ITF Buenos Aires, Argentina | Clay | Laura Montalvo | 2–6, 4–6 |
| Loss | 6. | 1 November 1993 | ITF Belo Horizonte, Brazil | Clay | Maria-Farnes Capistrano | 4–6, 6–1, 6–7$^{(6)}$ |
| Win | 7. | 4 September 1995 | ITF Medellín, Colombia | Clay | Eugenia Maia | 6–4, 6–1 |
| Win | 8. | 11 September 1995 | ITF Bucaramanga, Colombia | Clay | Nina Nittinger | 7–5, 6–2 |
| Loss | 9. | 18 September 1995 | ITF Manizales, Colombia | Clay | Carmiña Giraldo | 3–6, 4–6 |
| Win | 10. | 25 September 1995 | ITF Guayaquil, Ecuador | Clay | Paula Rosado | 6–0, 6–2 |
| Loss | 11. | 16 October 1995 | ITF Asunción, Paraguay | Clay | Larissa Schaerer | 2–6, 1–6 |
| Win | 12. | 23 October 1995 | ITF Buenos Aires, Argentina | Clay | Paola Suárez | 2–6, 6–4, 6–3 |
| Win | 13. | 6 November 1995 | ITF São Paulo, Brazil | Clay | Laura Montalvo | 6–3, 6–1 |
| Win | 14. | 28 July 1996 | ITF Buenos Aires, Argentina | Clay | María Fernanda Landa | 6–3, 7–6$^{(5)}$ |
| Loss | 15. | 25 August 1996 | ITF Athens, Greece | Clay | Magüi Serna | 7–5, 3–6, 2–6 |
| Loss | 16. | 29 September 1996 | ITF Bucharest, Romania | Clay | Cătălina Cristea | 5–7, 6–3, 6–7$^{(1)}$ |
| Win | 17. | 10 November 1996 | ITF São Paulo, Brazil | Clay | Andrea Vieira | 7–5, 6–3 |
| Loss | 18. | 15 June 1997 | ITF Budapest, Hungary | Clay | Gala León García | 5–7, 2–6 |
| Win | 19. | 28 September 1997 | ITF San Miguel de Tucumán, Argentina | Clay | Laura Montalvo | 6–2, 6–7$^{(3)}$, 7–6$^{(0)}$ |
| Win | 20. | 2 November 1997 | ITF Mogi das Cruzes, Brazil | Clay | Conchita Martínez Granados | 6–0, 6–0 |
| Loss | 21. | 5 July 1998 | ITF Orbetello, Italy | Clay | Fabiola Zuluaga | 1–6, 6–7 |
| Loss | 22. | 11 July 1999 | ITF Civitanova, Italy | Clay | Tatiana Garbin | 4–6, 6–4, 1–6 |
| Win | 23. | 1 October 2000 | ITF Tbilisi, Georgia | Clay | Maria Goloviznina | 3–6, 6–2, 6–2 |
| Loss | 24. | 9 June 2002 | ITF Caserta, Italy | Clay | Klára Koukalová | 6–7$^{(4)}$, 7–5, 5–7 |
| Win | 25. | 4 August 2002 | Open Saint-Gaudens, France | Clay | Maja Matevžič | 6–4, 6–1 |
| Win | 26. | 21 November 2004 | ITF Puebla, Mexico | Hard | Mathilde Johansson | 6–3, 6–1 |
| Loss | 27. | 28 November 2004 | ITF San Luis Potosí, Mexico | Hard | Melinda Czink | 0–6, 7–5, 3–6 |

### Doubles: 23 (15–8)

| Result | No. | Date | Tournament | Surface | Partner | Opponents | Score |
| Win | 1. | 2 August 1993 | ITF Dublin, Ireland | Clay | Valentina Solari | Vanina Casanova Germana di Natale | 4–6, 6–3, 6–2 |
| Loss | 2. | 9 August 1993 | ITF Rebecq, Belgium | Clay | Valentina Solari | Nelly Barkan Olga Lugina | 1–6, 6–7$^{(1)}$ |
| Win | 3. | 18 October 1993 | ITF Buenos Aires, Argentina | Clay | Laura Montalvo | Valeria Strappa Veronica Stele | 6–2, 5–7, 6–1 |
| Win | 4. | 1 November 1993 | ITF Asunción, Paraguay | Clay | Valentina Solari | Magalí Benítez Larissa Schaerer | 7–5, 7–5 |
| Win | 5. | 8 November 1993 | ITF Belo Horizonte, Brazil | Clay | Valeria Strappa | Renata Brito Patrícia Segala | 6–4, 6–1 |
| Win | 6. | 4 September 1995 | ITF Medellín, Colombia | Clay | Eugenia Maia | Joanne Moore Ximena Rodríguez | 6–3, 6–2 |
| Win | 7. | 18 September 1995 | ITF Manizales, Colombia | Clay | Eugenia Maia | Joanne Moore Ximena Rodríguez | 6–4, 6–3 |
| Loss | 8. | 25 September 1995 | ITF Guayaquil, Ecuador | Clay | Eugenia Maia | Bárbara Castro María-Alejandra Quezada | 6–7$^{(5)}$, 1–6 |
| Loss | 9. | 23 October 1995 | ITF Buenos Aires, Argentina | Clay | Mariana Lopez Palacios | Paola Suárez Cintia Tortorella | 2–6, 2–6 |
| Win | 10. | 10 November 1996 | ITF Sao Paulo, Brazil | Clay | Larissa Schaerer | Miriam D'Agostini Andrea Vieira | 3–6, 6–4, 6–2 |
| Win | 11. | 13 June 1999 | ITF Galatina, İtaly | Clay | Erica Krauth | Giulia Casoni Maria Paola Zavagli | 6–1, 6–3 |
| Win | 12. | 4 July 1999 | ITF Orbetello, Italy | Clay | Clarisa Fernández | Maria Goloviznina Anastasia Myskina | 6–4, 6–2 |
| Win | 13. | 14 November 1999 | ITF Monterrey, Mexico | Hard | Rossana de los Ríos | Alice Canepa Clarisa Fernández | 4–6, 7–6$^{(6)}$, 6–3 |
| Loss | 14. | 2 April 2000 | ITF Amiens, France | Clay (i) | Aliénor Tricerri | Magda Mihalache Zuzana Váleková | 2–6, 4–6 |
| Win | 15. | 11 June 2000 | ITF Galatina, Italy | Clay | Alice Canepa | Miriam D'Agostini Joana Cortez | 6–4, 4–6, 6–4 |
| Win | 16. | 18 June 2000 | Open de Marseille, France | Clay | Alice Canepa | Anna Bieleń-Żarska Svetlana Krivencheva | 6–2, 6–3 |
| Loss | 17. | 6 August 2000 | ITF Ettenheim, Germany | Hard | María Emilia Salerni | Nadejda Ostrovskaya Anna Zaporozhanova | 4–6, 2–6 |
| Loss | 18. | 10 September 2000 | Open Denain, France | Clay | Elena Bovina | Lourdes Domínguez Lino María José Martínez Sánchez | 4–6, 0–6 |
| Win | 19. | 30 September 2000 | ITF Tbilisi, Georgia | Clay | Mara Santangelo | Jolanda Mens Alena Paulenková | 4–6, 6–3, 6–2 |
| Loss | 20. | 8 October 2000 | Batumi Ladies Open, Georgia | Carpet (i) | Eva Dyrberg | Tatiana Perebiynis Tatiana Poutchek | 4–1, 2–4, 1–4, 2–4 |
| Win | 21. | 10 December 2000 | ITF Bogotá, Colombia | Hard | Joana Cortez | Clarisa Fernández Conchita Martínez Granados | 3–6, 6–1, 6–2 |
| Loss | 22. | 14 October 2002 | ITF Cardiff, United States | Hard (i) | Julie Pullin | Marion Bartoli Vanessa Webb | 4–6, 2–6 |
| Win | 23. | 8 February 2004 | ITF Rockford, United States | Hard (i) | Gisela Dulko | Leanne Baker Francesca Lubiani | 6–7$^{(5)}$, 6–3, 6–1 |