Thaísa Grana Pedretti (born 15 May 1999) is a Brazilian professional tennis player. She has career-high rankings of No. 379 in singles, achieved on 2 March 2020, and of No. 315 in doubles, achieved on 10 February 2025. Pedretti primarily competes on the ITF Women's World Tennis Tour.

In 2017, she competed in the junior events of the French Open, Wimbledon, and the US Open.

Early life Grana Pedretti was born in São Paulo. She started playing tennis at the age of 7 at the Mesq club in São Bernardo.

After that, Pedretti started playing in tournaments and went to the Helvetia Club. At age 12, she took a test for the Tennis Institute, passed, and started to train there.

Career Professional Grana Pedretti competed at her first ITF tournament in June 2013.

2021 In December, she reached the final of the $15k tournament in Curitiba but could not finish the match due to a migraine attack in the first set.

2023 In December, she won the singles and doubles titles at a W15 tournament in Buenos Aires, Argentina. The following week, she stood in the final of a W15 event in Córdoba.

As of late 2023, Grana Pedretti started workng with Brazilian former tennis player Flávio Saretta as her coach.

2024 In February 2024, she reached the doubles final at the W50 tournament held in Mexico City. In November, partnering Diae El Jardi, Grana Pedretti won her first W50 tournament Austin, Texas, defeating Whitney Osuigwe and Alana Smith in the final.

2025: WTA Tour debut In September 2025, Grana Pedretti played at the qualifying rounds of the inaugural WTA 250 SP Open in São Paulo, Brazil. She reached the final round but lost to Yasmine Mansouri, therefore she missed her WTA Tour main-draw debut.

In October, she played at a W35 tournament at the club Paineiras do Morumby in São Paulo, Brazil. In doubles, she partnered with fellow Brazilian Luiza Fullana, reaching the semifinals but losing to Jazmín Ortenzi and María Paulina Pérez.

In November, Grana Pedretti competed at a W15 tournament in Mogi das Cruzes.

In the doubles draw, she played alongside Luiza Fullana and together they reached the final, where they faced Najah Dawson from Jamaica and Marjorie Souza from Brazil and won in straight sets. This was her 14th professional doubles title.

Personal life When not training or playing, Pedretti enjoys to watch tennis.

She is a fan and supporter of the Sociedade Esportiva Palmeiras soccer team from her hometown of São Paulo. Pedretti has cited Rafael Nadal and Simona Halep as being among her favorite tennis players.

ITF Circuit finals LegendW25/35 tournamentsW10/15 tournaments

Singles: 18 (7 titles, 11 runner-ups) ResultW–LDateTournamentTierSurfaceOpponentScoreLoss 0–1 Oct 2017ITF Buenos Aires, ArgentinaW15 Clay Fernanda Brito 6–1, 5–7, 5–7Win 1–1 Oct 2017ITF Lambaré, ParaguayW15 Clay Fernanda Brito 6–2, ret.Win 2–1 Apr 2018ITF Villa del Dique, ArgentinaW15 Clay Fernanda Brito 6–0, 6–4Loss 2–2 Jun 2018ITF Tarvisio, ItalyW15 Clay Lisa Sabino 3–6, 3–6Win 3–2 May 2019ITF Cancún, MexicoW15 Hard Patricia Maria Țig 6–4, 6–4Loss 3–3 Jun 2019ITF Cancún, MexicoW15 Hard Layne Sleeth 2–6, 1–6Loss 3–4 Jul 2019ITF Cancún, MexicoW15 Hard Ingrid Martins 6–7(3), 6–7(4)Loss 3–5 Jul 2019ITF Cancún, MexicoW15 Hard Adriana Reami 6–7(2), 6–7(5)Win 4–5 Jul 2019ITF Cancún, MexicoW15 Hard Elle Christensen 6–2, 6–3Win 5–5 Jul 2019ITF Cancún, MexicoW15 Hard Anna Morgina 6–4, 2–0 ret.Loss 5–6 Sep 2019ITF São Paulo, BrazilW15 Clay Carolina Alves 5–7, 1–6Loss 5–7 Oct 2019ITF Claremont, United StatesW25 Hard Katie Swan 1–6, 3–6Win 6–7 Sep 2021ITF Ibagué, ColombiaW15 Clay Yuliana Lizarazo 4–6, 1–1 ret.Loss 6–8 Nov 2021ITF Curitiba, BrazilW15 Clay Gabriela Cé 0–3 ret.Loss 6–9 Sep 2022ITF Cancún, MexicoW15 Hard Kaitlin Quevedo 4–6, 3–6Win 7–9 Nov 2023ITF Buenos Aires, ArgentinaW15 Clay Alexia Harmon 7–5, 6–2Loss 7–10 Nov 2023ITF Córdoba, ArgentinaW15 Clay Luisina Giovannini 1–6, 1–6Loss 7–11 Feb 2026ITF Palm Coast, United StatesW15 Clay Sofia Johnson 4–6, 2–6

Doubles: 26 (16 titles, 10 runner-ups) LegendW50 tournamentsW25/35 tournamentsW10/15 tournaments ResultW–LDateTournamentTierSurfacePartnerOpponentsScoreLoss 0–1 Dec 2016ITF La Paz, BoliviaW10 Clay Stephanie Nemtsova Victoria Bosio Victoria Rodríguez 6–7(2), 4–6Win 1–1 Mar 2017ITF Campinas, BrazilW15 Clay Gabriela Cé Nathaly Kurata Giovanna Tomita 6–1, 6–3Win 2–1 Apr 2017ITF São José dos Campos, BrazilW15 Clay Gabriela Cé Victoria Bosio Julieta Lara Estable 5–7, 7–6(6), [10–3]Win 3–1 Jul 2017ITF Campos do Jordão, BrazilW15 Hard Gabriela Cé Nathaly Kurata Eduarda Piai 7–5, 6–4Loss 3–2 Oct 2017ITF Lambaré, ParaguayW15 Clay Noelia Zeballos Fernanda Brito Camila Giangreco Campiz w/oLoss 3–3 Nov 2017ITF Asunción, ParaguayW15 Clay Nathaly Kurata Fernanda Brito Camila Giangreco Campiz 6–7(7), 4–6Loss 3–4 Nov 2017ITF Encarnación, ParaguayW15 Clay Nathaly Kurata Lara Escauriza Bárbara Gatica 4–6, 4–6Win 4–4 Dec 2017ITF Luque, ParaguayW15 Hard Noelia Zeballos Montserrat González Ana Sofía Sánchez 6–2, 6–4Win 5–4 Mar 2018ITF São José dos Campos, BrazilW15 Clay Carolina Alves Eleni Kordolaimi Dominique Schaefer 6–4, 6–1Loss 5–5 Mar 2019ITF São Paulo, BrazilW25 Clay Martina di Giuseppe Paula Cristina Gonçalves Luisa Stefani 7–6(4), 0–6, [8–10]Loss 5–6 May 2019ITF Cancún, MexicoW15 Hard Eduarda Piai María Portillo Ramírez Marcela Zacarías 3–6, 6–7(10)Win 6–6 May 2019ITF Cancún, MexicoW15 Hard Eduarda Piai Kirsten-Andrea Weedon Amy Zhu 7–5, 7–5Win 7–6 Jul 2019ITF Cancún, MexicoW15 Hard María Portillo Ramírez Dewi Dijkman Isabelle Haverlag 7–5, 6–3Win 8–6 Jul 2019ITF Cancún, MexicoW15 Hard María Portillo Ramírez Haine Ogata Aiko Yoshitomi 6–4, 6–4Loss 8–7 Sep 2019ITF São Paulo, BrazilW15 Clay Eugenia Ganga Bárbara Gatica Rebeca Pereira 2–6, 4–6Win 9–7 Feb 2020ITF Cancún, MexicoW15 Hard Ingrid Martins Eleonore Tchakarova Verginie Tchakarova 6–2, 6–2Win 10–7 Feb 2020ITF Cancún, Mexico W15 Clay María Lourdes Carlé Kendra Bunch Katarina Kozarov w/oWin 11–7 Aug 2022ITF Rio de Janeiro, BrazilW25 Clay Noelia Zeballos Riya Bhatia María Paulina Pérez 6–3, 6–1Win 12–7 Nov 2023ITF Buenos Aires, ArgentinaW15 Clay Camila Romero Justina Maria González Sylvie Zünd 0–6, 7–5, [10–5]Loss 12–8 Feb 2024ITF Mexico City, MexicoW50 Hard María Portillo Ramírez Jessie Aney Jessica Failla 6–3, 4–6, [8–10]Loss 12–9 Feb 2024ITF Spring, United StatesW35 Hard Malkia Ngounoue Whitney Osuigwe Alana Smith 4–6, 4–6Win 13–9 Nov 2024ITF Austin, United StatesW50 Hard Diae El Jardi Whitney Osuigwe Alana Smith 6–2, 4–6, [14–12]Win 14–9 Nov 2025ITF Mogi das Cruzes, BrazilW15 Clay Luiza Fullana Najah Dawson Marjorie Souza 6–2, 6–0Loss 14–10 Feb 2026ITF Orlando, United StatesW50 Hard Noelia Zeballos Lia Karatancheva Anita Sahdiieva 3–6, 4–6Win 15–10 Feb 2026ITF Palm Coast, United StatesW15 Clay Carolina Bohrer Martins Kolie Allen Sebastiani León 7–6(4), 6–7(5), [10–4]Win 16–10 Apr 2026ITF Charlotte, United States W35 Clay Luiza Fullana Eva Vedder Sofia Cabezas Dominguez 6–4, 6–2

References

External links