Thaisa Grana Pedretti

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.

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, 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, 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 Maria Paulina Perez Garcia.

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

In the doubles draw, she played alongside compatriot 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 fourteenth professional doubles title.

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)

Doubles: 26 (16 titles, 10 runner-ups) LegendW40/50 tournamentsW25/35 tournamentsW10/15 tournaments