Junior

Bruna had a successful junior career, peaking at world number 43 in singles and No. 10 in doubles; both on December 31, 1997. She reached a total of eleven finals in doubles; with nine titles. Colósio won her only singles titles in her only final. She played at all the Grand Slam events except the Australian Open in 1997. Colósio ended her junior career with a 34–25 record on singles and 45–15 on doubles.

In 1997, between January and March, Bruna reached eight consecutive doubles finals in eight weeks, winning six titles. Her defeats came through the hands of the year-end number-one pair, Cara Black and Irina Selyutina. During that period, she also won her only singles title, a G3 tournament in Bolivia.

Senior career

Bruna played mostly at the ITF Women's Circuit during her senior career. She played at a WTA Tour tournament main draw once, in doubles, at the WTA Brasil Open in 2002, partnering Vanessa Menga. In 2004, she tried and failed to qualify to both singles and doubles main draw at the Copa Colsanitas. During her early career, she played at the ITA circuit, peaking at No. 5, but couldn't manage to keep the good results to enter the WTA tournaments.^[1]

Her career highlights include a gold medal at the Pan American Games in Santo Domingo, partnering Joana Cortez,^[2] two ITF single titles and eleven ITF doubles titles.

Colósio also played in eight ties for the Brazil Fed Cup team, in 2001, 2003–04, with a 7–6 record.

She retired from professional level in 2005.

ITF Women's Circuit

Singles (2–3)

Category $100,000 tournaments $75,000 tournaments $50,000 tournaments $25,000 tournaments $10,000 tournaments

Surface Clay (2–3)

Setting Outdoor (2–3)

Outcome	Date	Tournament	Surface	Opponent	Score
Winner	12 August 2002	ITF Manta, Ecuador	Clay	Regina Temez	6–2, 6–2
Runner-up	18 August 2002	ITF La Paz, Bolivia	Clay	Sabrina Eisenberg	4–6, 7–5, 5–7
Runner-up	1 September 2002	ITF Santiago, Chile	Clay	Celeste Contín	3–6, 6–3, 2–6
Runner-up	17 November 2002	ITF Florianópolis, Brazil	Clay	Larissa Carvalho	6–2, 4–6, 5–7
Winner	9 November 2003	ITF Belo Horizonte, Brazil	Clay	Carla Tiene	6–4, 6–3

Doubles (11–7)

Category $100,000 tournaments $75,000 tournaments $50,000 tournaments $25,000 tournaments $10,000 tournaments

Surface Clay (5–3) Hard (6–4)

Setting Outdoor (10–6) Indoor (1–1)

Result	Date	Tournament	Surface	Partner	Opponents	Score
Runner-up	3 May 1998	ITF Guimarães, Portugal	Hard	Cristina Correia	Marina Escobar Paula Hermida	6–7, 4–6
Winner	24 May 1998	ITF Azemeis, Portugal	Hard	Cristina Correia	Kelly Liggan Irina Selyutina	6–2, 6–4
Winner	6 September 1998	ITF Manaus, Brazil	Hard	Carla Tiene	María José Gaidano Joanne Moore	3–6, 6–3, 6–4
Winner	22 July 2001	ITF São José dos Campos, Brazil	Hard	Carla Tiene	Melisa Arévalo Vanessa Menga	6–3, 7–5
Winner	21 July 2002	ITF Campos do Jordão, Brazil	Hard	Carla Tiene	Jolanda Mens Andrea van der Hurk	6–1, 4–6, 6–4
Runner-up	18 August 2002	ITF La Paz, Bolivia	Clay	Lívia Azzi	Daniela Alvaréz Ana Lucía de León	6–1, 3–6, 0–6
Winner	25 August 2002	ITF Asuncion, Paraguay	Clay	Nanda Alves	María José Argeri Larissa Carvalho	6–4, 1–6, 6–2
Winner	1 September 2002	ITF Santiago, Chile	Clay	Celeste Contín	Larissa Carvalho Soledad Esperón	w/o
Winner	17 November 2002	ITF Florianópolis, Brazil	Clay	Larissa Carvalho	Marcela Evangelista Letícia Sobral	6–4, 6–4
Runner-up	26 January 2003	ITF Miami, United States	Hard	Vanessa Menga	Beau Jones Anžela Žguna	4–6, 6–4, 4–6
Runner-up	23 February 2003	ITF Columbus, United States	Hard (i)	Joana Cortez	Li Ting Sun Tiantian	3–6, 1–6
Winner	25 May 2003	ITF Catania, Italy	Clay	Joana Cortez	Aurélie Védy Christina Zachariadou	6–1, 6–1
Winner	5 October 2003	ITF Greenville, United States	Clay	Joana Cortez	Kelly McCain Kristen Schlukebir	6–2, 7–5
Runner-up	9 November 2003	ITF Belo Horizonte, Brazil	Hard	Joana Cortez	Marcela Evangelista Carla Tiene	3–6, 6–7(4)
Winner	16 November 2003	ITF Mexico City, Mexico	Hard	Joana Cortez	Nanda Alves Carla Tiene	1–6, 6–3, 6–3
Winner	30 May 2004	ITF Houston, United States	Hard (i)	Anne Mall	Angela Haynes Ahsha Rolle	7–6(4), 6–4
Runner-up	5 September 2004	ITF Asuncion, Paraguay	Clay	Ana Lucía de León	Betina Jozami Verónica Spiegel	5–7, 4–6
Runner-up	12 September 2004	ITF Santiago, Chile	Clay	Ana Lucía de León	María José Argeri Letícia Sobral	2–6, 0–6

ITF Junior's finals

Singles (1–0)

Category Category G3 (1–0)

Surface Clay (1–0)

Setting Outdoor (1–0)

Outcome	Date	Category	Tournament	Surface	Opponent	Score
Winner	9 February 1995	Grade 3	Condor de Plata Tournament, Bolivia	Clay	Olga Rejniak	6–4, 6–2

Doubles (9–2)

Category Category G1 (1–1) Category G2 (2–1) Category G3 (4–0) Category GB2 (2–0)

Surface Clay (8–2) Hard (1–0)

Setting Outdoor (9–2)

Outcome	Date	Category	Tournament	Surface	Partner	Opponents	Score
Winner	14 October 1995	Grade 3	Copa Banco Econômico, Brazil	Hard	Déborah Gaviria	Ana Elizabeth Jimenez Paola Palencio	6–2, 6–2
Winner	24 March 1996	Grade B2	South America Closed Championships, Brazil	Clay	Carla Tiene	Renata Brito Lilian Silva	6–4, 5–0 ret.
Winner	20 October 1996	Grade 3	13th Gerdau-Cooper Tennis Cup, Brazil	Clay	Carla Tiene	Joana Cortez Marilia Fritelli	6–4, 0–6, 6–4
Winner	26 January 1997	Grade 2	Nicolas Macchiavello Almeida Cup, Ecuador	Clay	Carla Tiene	Ioulia Mirnaia Olga Gorzelak	6–3, 3–6, 6–3
Winner	2 February 1997	Grade 3	13th Inka Bowl, Peru	Clay	Paola Palencio	Olivia Karlikova Anat Katz	6–3, 6–2
Winner	9 February 1997	Grade 3	Condor de Plata Tournament, Bolivia	Clay	Paola Palencio	Joana Cortez Lourdes Lopez	6–2, 6–0
Winner	16 February 1997	Grade 2	19th Milo Cup, Chile	Clay	Paola Palencio	Melisa Arévalo Ana Laura Viglione	6–3, 6–3
Runner-up	23 February 1997	Grade 2	Argentina Cup	Clay	Paola Palencio	Cara Black Irina Selyutina	3–6, 6–2, 4–6
Runner-up	9 March 1997	Grade 1	17th Asuncion Bowl, Paraguay	Clay	Paola Palencio	Cara Black Irina Selyutina	3–6, 3–6
Winner	16 March 1997	Grade 1	27th Banana Bowl, Brazil	Clay	Cristina Correia	Joana Cortez Simone Jardim	6–4, 6–2
Winner	25 March 1997	Grade B2	South America Closed Championships, Brazil	Clay	Carla Tiene	Joana Cortez Simone Jardim	6–4, 7–6