Mariana Díaz Oliva (born 11 March 1976) is a former professional tennis player from Argentina.

Mariana Díaz Oliva
Country (sports) Argentina
Born (1976-03-11) 11 March 1976 (age 48)
Buenos Aires, Argentina
Height1.72 m (5 ft 7+12 in)
Turned pro1992
Retired2006
PlaysRight-handed (two-handed backhand)
Prize money$1,009,342
Singles
Career record382–291
Career titles1 WTA, 16 ITF
Highest rankingNo. 42 (9 July 2001)
Grand Slam singles results
Australian Open3R (2005)
French Open3R (1998)
Wimbledon2R (1998, 1999, 2005)
US Open2R (2005)
Doubles
Career record145–143
Career titles15 ITF
Highest rankingNo. 93 (10 September 2001)
Team competitions
Fed Cup19–14
Medal record
Pan American Games
Bronze medal – third place Winnipeg 1999 Women's singles
Bronze medal – third place Winnipeg 1999 Women's doubles

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

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Singles: 3 (1 title, 2 runner-ups)

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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)

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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

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

Singles: 27 (16–11)

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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)

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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
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