Born in December 1999 in Buenos Aires, Argentina.
Grew up at Club El Monasterio, founded by her father Nito Brea.
Played junior tennis and other sports before fully committing to padel at age 12.
Moved to Spain at 17 to compete on the professional circuit.
She won her first title, in the WPT Challenger category, alongside Ana Catarina Nogueira, with whom she reached 20th place in the world rankings at the age of 18.
Her partnership with Beatriz González (with whom she had already played in 2019) proved successful, as they quickly broke into the top 10 and finished the 2023 and 2024 seasons as the third-best pair in the world
Delfi began the 2025 season with Gemma Triay and became the first Argentine woman to win a Major tournament and to reach the top spot in the FIP rankings, a position she still holds today.
She has won 30 titles on the major professional circuits in the history of padel:
8 World Padel Tour (1 Master Final in 2023, 1 Master and 6 Opens)
22 Premier Padel Tour (4 Majors, 9 P1s and 9 P2s).
2nd place in the 2016, 2018, 2021, 2022 and 2024 World Cup teams
(Updated September 2026)