Career
On 17 August 2009, she reached her best singles ranking of world number 372. On 7 July 2014, she peaked at world number 119 in the doubles rankings. Búa made her Women's Tennis Association tour debut at the 2014 Grand Prix Sons of the American Revolution Louisiana Princesse Lalla Meryem, partnering Daniela Seguel in doubles.
However, they reached their first final in Strasbourg the following month, losing to the three-time Grand Slam-finalist pairing of Ashleigh Barty and Casey Dellacqua.
Doubles (0–1)
Singles (4–8)
Doubles (24–25).