Duilio Beretta

Country (sports)

Peru

Residence

Lima, Peru

Born

25 February 1992 (age 31)
Arequipa, Peru

Turned pro

2008

Plays

Right-handed (double-handed backhand)

Prize money

$51,966

Singles

Career record

8–9

Career titles

0

Highest ranking

No. 364 (7 November 2011)

Grand Slam singles results

French Open Junior

SF (2010)

Wimbledon Junior

1R (2010)

US Open Junior

2R (2010)

Doubles

Career record

6–3

Career titles

0

Highest ranking

No. 206 (29 July 2013)

Grand Slam doubles results

French Open Junior

W (2010)

Wimbledon Junior

2R (2010)

US Open Junior

W (2010)

Medal record

Representing Peru

Men's tennis
Bolivarian Games
	2013 Trujillo	Men's Nations Cup
	2013 Trujillo	Men's doubles

Last updated on: 15 March 2021.

Duilio Beretta Avalos (Spanish pronunciation: [ˈdwiljo βeˈɾeta aˈβalos];^[a] born February 25, 1992) is a Peruvian professional tennis player.

He won the finals stage of Boys' Doubles events on the French Open and US Open with Ecuadorian tennis player Roberto Quiroz in 2010. They defeated Argentinian pair Facundo Argüello and Agustín Velotti in France and won against Oliver Golding and Jiří Veselý in the United States.

ATP Challenger and ITF Futures finals

Singles: 8 (2–6)

Legend (singles)
ATP Challenger Tour (0–0)
ITF Futures Tour (2–6)

Finals by surface
Hard (0–0)
Clay (2–6)
Grass (0–0)

Result	W–L	Date	Tournament	Tier	Surface	Opponent	Score
Loss	0–1	Apr 2011	Chile F2	Futures	Clay	Guillaume Rufin	2–6, 2–6
Loss	0–2	May 2011	Venezuela F3	Futures	Clay	David Souto	2–6, 3–6
Win	1–2	May 2011	Paraguay F2	Futures	Clay	Marco Trungelliti	4–6, 7–6^(7–2), 6–3
Loss	1–3	Jun 2011	Argentine F8	Futures	Clay	Facundo Argüello	6–3, 2–6, 6–7^(4–7)
Loss	1–4	Aug 2011	Peru F1	Futures	Clay	Maximiliano Estévez	6–7^(2–7), 6–7^(3–7)
Loss	1–5	Aug 2011	Peru F3	Futures	Clay	Agustín Velotti	2–6, 4–6
Loss	1–6	Jun 2012	Peru F1	Futures	Clay	Renzo Olivo	5–7, 6–3, 1–6
Win	2–6	Jun 2012	Peru F6	Futures	Clay	Jorge Aguilar	5–7, 6–3, 7–5

Doubles: 26 (18–8)

Legend (doubles)
ATP Challenger Tour (1–2)
ITF Futures Tour (17–6)

Finals by surface
Hard (2–1)
Clay (16–7)
Grass (0–0)

Result	W–L	Date	Tournament	Tier	Surface	Partner	Opponents	Score
Loss	0–1	Nov 2009	Chile F5, Santiago	Futures	Clay	Sergio Galdós	Mauricio Doria-Medina \| Federico Zeballos	4–6, 4–6
Win	1–1	Sep 2010	Ecuador F2, Guayaquil	Futures	Hard	Roberto Quiroz	Peter Aarts \| Christopher Racz	6–4, 6–4
Win	2–1	Apr 2011	Chile F2, Santiago	Futures	Clay	Sergio Galdós	Guillermo Hormazábal \| Rodrigo Pérez	5–7, 7–6^(7–5), [10–5]
Win	3–1	Apr 2011	Chile F3, Santiago	Futures	Clay	Roberto Quiroz	Luis David Martínez \| Miguel Ángel Reyes-Varela	6–4, 7–5
Win	4–1	Aug 2011	Peru F1, Arequipa	Futures	Clay	Sergio Galdós	Martín Cuevas \| Guido Pella	6–4, 6–0
Loss	4–2	May 2012	Peru F1, Chosica	Futures	Clay	Sergio Galdós	Marcelo Demoliner \| Renzo Olivo	3–6, 6–7^(8–10)
Loss	4–3	Jul 2012	Peru F6, Lima	Futures	Clay	Sergio Galdós	Marcelo Demoliner \| Renzo Olivo	4–6, 3–6
Win	5–3	Aug 2012	Manta, Ecuador	Challenger	Hard	Renzo Olivo	Víctor Estrella João Souza	6–3, 6–0
Win	6–3	Aug 2012	Colombia F2, Medellín	Futures	Clay	Ariel Behar	Nicolás Barrientos \| Michael Quintero	2–1 ret.
Win	7–3	Sep 2012	Ecuador F3, Quito	Futures	Clay	Sergio Galdós	Mauricio Echazú \| Guillermo Rivera Aránguiz	6–2, 6–1
Win	8–3	Oct 2012	Chile F8, Coquimbo	Futures	Clay	Gustavo Sterin	Cristóbal Saavedra Corvalán \| Guillermo Rivera Aránguiz	6–4, 7–5
Loss	8–4	May 2013	Argentina F4, Calamuchita	Futures	Clay	Sergio Galdós	Gabriel Alejandro Hidalgo \| Mauricio Perez Mota	1–6, 1–6
Win	9–4	May 2013	Argentina F6, Río Cuarto	Futures	Clay	Sergio Galdós	Franco Agamenone \| Jose Angel Carrizo	4–6, 6–4, [10–1]
Loss	9–5	May 2013	Argentina F7, Bell Ville	Futures	Clay	Sergio Galdós	Andrea Collarini \| Guillermo Durán	3–6, 4–6
Win	10–5	Jun 2013	Argentina F8, Arroyito	Futures	Clay	Sergio Galdós	Daniel Dutra da Silva \| Pablo Galdón	6–0, 7–5
Win	11–5	Aug 2013	Ecuador F1, Guayaquil	Futures	Clay	Roberto Quiroz	Sebastian Exequiel Pini \| Rodrigo Sánchez	6–1, 6–3
Loss	11–6	Aug 2013	Ecuador F2, Guayaquil	Futures	Hard	Nicolas Alvarez	Emilio Gómez \| Roberto Quiroz	1–6, 4–6
Win	12–6	Oct 2013	Peru F1, Arequipa	Futures	Clay	Rodrigo Sánchez	Mauricio Echazú \| Iván Endara	6–2, 6–4
Win	13–6	Oct 2013	Peru F2, Lima	Futures	Clay	Rodrigo Sánchez	Mauricio Echazú \| Cristóbal Saavedra Corvalán	6–3, 5–7, [10–2]
Loss	13–7	Sep 2014	Quito, Ecuador	Challenger	Clay	Martín Cuevas	Marcelo Demoliner João Souza	4–6, 4–6
Win	14–7	Dec 2014	Dominican Republic F2	Futures	Clay	Hugo Dellien	Fabiano de Paula \| Thiago Monteiro	3–6, 6–4, [10–8]
Win	15–7	Dec 2014	Dominican Republic F3	Futures	Clay	Hugo Dellien	Emilio Gómez \| Manuel Sánchez	6–7^(9–11), 6–4, [10–4]
Win	16–7	Apr 2015	Chile F4, Santiago	Futures	Clay	Jorge Aguilar	André Miele \| Alexandre Tsuchiya	6–1, 6–4
Win	17–7	Apr 2015	Chile F5, Santiago	Futures	Clay	Jorge Aguilar	Juan Pablo Ficovich \| Mariano Kestelboim	6–2, 6–2
Loss	17–8	Sep 2015	Barranquilla, Colombia	Challenger	Clay	Mauricio Echazú	Marcelo Arévalo Sergio Galdós	1–6, 4–6
Win	18–8	Dec 2015	Peru F6, Trujillo	Futures	Clay	Andrea Collarini	Alexander Merino \| Jaume Pla Malfeito	6–4, 6–3

Junior Grand Slam finals

Doubles: 2 (2 titles)

Result	Year	Tournament	Surface	Partner	Opponents	Score
Win	2010	French Open	Clay	Roberto Quiroz	Facundo Argüello Agustín Velotti	6–3, 6–2
Win	2010	US Open	Hard	Roberto Quiroz	Oliver Golding Jiří Veselý	6–1, 7–5