# Guillermo Durán

Guillermo Durán (Spanish pronunciation:; born 6 June 1988) is an Argentine tennis player, who specializes in doubles. He competes mostly on the ATP Challenger Tour. His highest ATP doubles ranking of world No. 48 was achieved on 23 May 2016 and his highest ATP singles ranking of No. 385 was reached on 2 April 2012.

## ATP career finals
### Doubles: 5 (4 titles, 1 runner-up)

* Legend
* Grand Slam tournaments (0–0)
* ATP World Tour Finals (0–0)
* ATP World Tour Masters 1000 (0–0)
* ATP World Tour 500 Series (0–0)
* ATP World Tour 250 Series (4–1)
* Titles by surface
* Hard (0–0)
* Clay (4–1)
* Grass (0–0)
* Titles by setting
* Outdoor (4–1)
* Indoor (0–0)
| Result | W–L | Date | Tournament | Tier | Surface | Partner | Opponents | Score |
| Win | 1–0 | Feb 2016 | Ecuador Open, Ecuador | 250 Series | Clay | Pablo Carreño Busta | Thomaz Bellucci Marcelo Demoliner | 7–5, 6–4 |
| Win | 2–0 | Apr 2016 | Grand Prix Hassan II, Morocco | 250 Series | Clay | Máximo González | Marin Draganja Aisam-ul-Haq Qureshi | 6–2, 3–6, [10–6] |
| Win | 3–0 | Jul 2017 | Croatia Open, Croatia | 250 Series | Clay | Andrés Molteni | Marin Draganja Tomislav Draganja | 6–3, 6–7$^{(4–7)}$, [10–6] |
| Win | 4–0 | Aug 2017 | Austrian Open, Austria | 250 Series | Clay | Pablo Cuevas | Hans Podlipnik-Castillo Andrei Vasilevski | 6–4, 4–6, [12–10] |
| Loss | 4–1 | Feb 2020 | Argentina Open, Argentina | 250 Series | Clay | Juan Ignacio Londero | Marcel Granollers Horacio Zeballos | 4–6, 7–5, [16–18] |

## Challenger and Futures finals
### Singles: 10 (1–9)

* Legend (singles)
* ATP Challenger Tour (0–0)
* ITF Futures Tour (1–9)
* Titles by surface
* Hard (0–0)
* Clay (1–9)
* Grass (0–0)
* Carpet (0–0)
| Result | W–L | Date | Tournament | Tier | Surface | Opponent | Score |
| Loss | 0–1 | May 2010 | Argentina F4, Buenos Aires | Futures | Clay | Lionel Noviski | 4–6, 4–6 |
| Loss | 0–2 | Jun 2010 | Argentina F8, Córdoba | Futures | Clay | Marco Trungelliti | 3–6, 6–4, 2–6 |
| Loss | 0–3 | Aug 2010 | Argentina F16, Santiago del Estero | Futures | Clay | Pablo Galdón | 0–6, 4–6 |
| Loss | 0–4 | Jun 2011 | Argentina F6, Posadas | Futures | Clay | Kevin Konfederak | 4–6, 6–2, 5–7 |
| Loss | 0–5 | Jul 2011 | Argentina F9, Resistencia | Futures | Clay | Facundo Argüello | 4–6, 2–6 |
| Loss | 0–6 | Sep 2011 | Argentina F17, La Rioja | Futures | Clay | Gastón-Arturo Grimolizzi | 3–6, 6–7$^{(7–9)}$ |
| Loss | 0–7 | Dec 2011 | Brazil F42, Porto Alegre | Futures | Clay | Martín Alund | 6–3, 3–6, 4–6 |
| Loss | 0–8 | Nov 2012 | Argentina F26, Rosario | Futures | Clay | Renzo Olivo | 6–3, 2–6, 4–6 |
| Win | 1–8 | Dec 2012 | Argentina F28, Río Cuarto | Futures | Clay | Gabriel Alejandro Hidalgo | 6–2, 7–5 |
| Loss | 1–9 | Dec 2014 | Argentina F19, Mendoza | Futures | Clay | Grzegorz Panfil | 5–7, 4–6 |

### Doubles: 84 (51–33)

* Legend (doubles)
* ATP Challenger Tour (40–24)
* ITF Futures Tour (11–9)
* Titles by surface
* Hard (3–4)
* Clay (48–29)
* Grass (0–0)
* Carpet (0–0)
| Result | W–L | Date | Tournament | Tier | Surface | Partner | Opponents | Score |
| Loss | 0–1 | Jun 2008 | Brazil F9, Fortaleza | Futures | Hard | Cristhian Ignacio Benedetti | Diogo Cruz Eric Gomes | 2–6, 2–6 |
| Loss | 0–2 | Jul 2008 | Peru F1, Arequipa | Futures | Clay | Cristhian Ignacio Benedetti | Miguel Cicenia Benjamin Dracos | 4–6, 5–7 |
| Loss | 0–3 | May 2009 | Argentina F3, Arroyito | Futures | Clay | Germán Gaich | Andrés Molteni Guido Pella | 2–6, 4–6 |
| Loss | 0–4 | Jul 2009 | Venezuela F4, Puerto Ordaz | Futures | Hard | Kevin Konfederak | Luis David Martínez Nikolaus Moser | 1–6, 1–6 |
| Loss | 0–5 | Oct 2009 | Argentina F18, La Rioja | Futures | Clay | Valentin Florez | Diego Cristin Alejandro Fabbri | 6–7$^{(4–7)}$, 6–7$^{(9–11)}$ |
| Win | 1–5 | Jun 2010 | Argentina F10, Posadas | Futures | Clay | Agustín Picco | Joaquín-Jesús Monteferrario Antonio Pastorino | 4–6, 7–6$^{(7–1)}$, [10–5] |
| Win | 2–5 | Aug 2010 | Argentina F15, Buenos Aires | Futures | Clay | Guillermo Bujniewicz | Franco Agamenone Facundo Argüello | 6–4, 6–2 |
| Win | 3–5 | Aug 2010 | Argentina F16, Santiago del Estero | Futures | Clay | Guillermo Bujniewicz | Diego Cristin Martín Cuevas | 4–6, 6–2, [10–4] |
| Loss | 3–6 | Dec 2010 | Chile F7, Talca | Futures | Clay | Kevin Konfederak | Guillermo Hormazábal Hans Podlipnik Castillo | 5–7, 7–6$^{(12–10)}$, [5–10] |
| Loss | 3–7 | Apr 2011 | Argentina F2, Villa María | Futures | Clay | Alejandro Kon | Diego Álvarez Cristóbal Saavedra Corvalán | 6–4, 5–7, [7–10] |
| Win | 4–7 | Jun 2011 | Argentina F6, Posadas | Futures | Clay | Joaquín-Jesús Monteferrario | Federico Coria Renzo Olivo | 6–4, 7–6$^{(7–4)}$ |
| Win | 5–7 | Jun 2011 | Argentina F7, Oberá | Futures | Clay | Patricio Heras | Juan Ignacio Londero Nicolás Pastor | 6–1, 7–6$^{(7–4)}$ |
| Loss | 5–8 | Sep 2011 | Argentina F17, La Rioja | Futures | Clay | Juan-Manuel Romanazzi | Patricio Heras Gustavo Sterin | 6–7$^{(5–7)}$, 3–6 |
| Win | 6–8 | Dec 2011 | Brazil F42, Porto Alegre | Futures | Clay | Renzo Olivo | Martín Alund Andrés Molteni | 6–4, 6–2 |
| Win | 7–8 | Mar 2012 | Argentina F3, Mendoza | Futures | Clay | Diego Schwartzman | Martín Alund Francisco Bahamonde | 6–2, 7–6$^{(7–2)}$ |
| Win | 8–8 | Jul 2012 | Argentina F18, Bell Ville | Futures | Clay | Renzo Olivo | Martín Cuevas Juan Ignacio Londero | 6–4, 7–5 |
| Loss | 8–9 | Oct 2012 | Villa Allende, Argentina | Challenger | Clay | Ariel Behar | Facundo Bagnis Diego Junqueira | 1–6, 2–6 |
| Win | 9–9 | May 2013 | Argentina F7, Bell Ville | Futures | Clay | Andrea Collarini | Duilio Beretta Sergio Galdós | 6–3, 6–4 |
| Loss | 9–10 | Jul 2013 | Orbetello, Italy | Challenger | Clay | Renzo Olivo | Marco Crugnola Simone Vagnozzi | 6–7$^{(3–7)}$, 7–6$^{(7–5)}$, [6–10] |
| Win | 10–10 | Aug 2013 | Argentina F16, Santiago del Estero | Futures | Clay | Andrés Molteni | Martín Cuevas Sergio Galdós | 6–7$^{(4–7)}$, 6–3, [13–11] |
| Win | 11–10 | Sep 2013 | Porto Alegre, Brazil | Challenger | Clay | Máximo González | Víctor Estrella Burgos João Souza | 3–6, 6–1, [10–5] |
| Win | 12–10 | Oct 2013 | San Juan, Argentina | Challenger | Clay | Máximo González | Martín Alund Facundo Bagnis | 6–3, 6–0 |
| Loss | 12–11 | Dec 2013 | Brazil F20, Santa Maria | Futures | Clay | Christian Lindell | José Pereira Alexandre Tsuchiya | 5–7, 3–6 |
| Loss | 12–12 | Mar 2014 | Panama City, Panama | Challenger | Clay | Martín Alund | František Čermák Mikhail Elgin | 6–4, 3–6, [8–10] |
| Loss | 12–13 | Apr 2014 | Santos, Brazil | Challenger | Clay | Renzo Olivo | Máximo González Andrés Molteni | 5–7, 4–6 |
| Loss | 12–14 | Jun 2014 | Blois, France | Challenger | Clay | Máximo González | Tristan Lamasine Laurent Lokoli | 5–7, 0–6 |
| Win | 13–14 | Jun 2014 | Milan, Italy | Challenger | Clay | Máximo González | James Cerretani Frank Moser | 6–3, 6–3 |
| Loss | 13–15 | Jun 2014 | Padova, Italy | Challenger | Clay | Máximo González | Roberto Maytín Andrés Molteni | 2–6, 6–3, [8–10] |
| Win | 14–15 | Jul 2014 | Todi, Italy | Challenger | Clay | Máximo González | Riccardo Ghedin Claudio Grassi | 6–1, 3–6, [10–7] |
| Win | 15–15 | Sep 2014 | Porto Alegre, Brazil | Challenger | Clay | Guido Andreozzi | Facundo Bagnis Diego Schwartzman | 6–3, 6–3 |
| Win | 16–15 | Oct 2014 | Cali, Colombia | Challenger | Clay | Guido Andreozzi | Alejandro González César Ramírez | 6–3, 6–4 |
| Win | 17–15 | Dec 2014 | Argentina F19, Mendoza | Futures | Clay | Mateo Nicolás Martínez | Patricio Heras Nicolás Kicker | 6–3, 6–4 |
| Win | 18–15 | Feb 2015 | Bucaramanga, Colombia | Challenger | Clay | Andrés Molteni | Nicolás Barrientos Eduardo Struvay | 7–5, 6–7$^{(8–10)}$, [10–0] |
| Win | 19–15 | Apr 2015 | San Luis Potosí, Mexico | Challenger | Clay | Horacio Zeballos | Sergio Galdós Guido Pella | 7–6$^{(7–4)}$, 6–4 |
| Loss | 19–16 | Apr 2015 | León, Mexico | Challenger | Hard | Horacio Zeballos | Austin Krajicek Rajeev Ram | 2–6, 5–7 |
| Win | 20–16 | Apr 2015 | Savannah, USA | Challenger | Clay | Horacio Zeballos | Dennis Novikov Julio Peralta | 6–4, 6–3 |
| Win | 21–16 | Jun 2015 | Fürth, Germany | Challenger | Clay | Horacio Zeballos | Íñigo Cervantes Huegun Renzo Olivo | 6–1, 6–3 |
| Win | 22–16 | Jun 2015 | Caltanissetta, Italy | Challenger | Clay | Guido Andreozzi | Lee Hsin-han Alessandro Motti | 6–3, 6–2 |
| Win | 23–16 | Sep 2015 | Genova, Italy | Challenger | Clay | Horacio Zeballos | Andrea Arnaboldi Alessandro Giannessi | 7–5, 6–4 |
| Loss | 23–17 | Oct 2015 | Corrientes, Argentina | Challenger | Clay | Máximo González | Julio Peralta Horacio Zeballos | 2–6, 3–6 |
| Win | 24–17 | Oct 2015 | Santiago, Chile | Challenger | Clay | Máximo González | Andrej Martin Hans Podlipnik Castillo | 7–6$^{(7–2)}$, 7–5 |
| Win | 25–17 | Nov 2015 | Guayaquil, Ecuador | Challenger | Clay | Andrés Molteni | Gastão Elias Fabrício Neis | 6–3, 6–4 |
| Loss | 25–18 | May 2016 | Aix-en-Provence, France | Challenger | Clay | Máximo González | Oliver Marach Philipp Oswald | 1–6, 6–4, [7–10] |
| Loss | 25–19 | May 2016 | Bordeaux, France | Challenger | Clay | Máximo González | Johan Brunström Andreas Siljeström | 1–6, 6–3, [4–10] |
| Loss | 25–20 | Mar 2017 | Buenos Aires, Argentina | Challenger | Hard | Guido Andreozzi | Máximo González Andrés Molteni | 1–6, 7–6$^{(8–6)}$, [5–10] |
| Win | 26–20 | Jun 2017 | Prostějov, Czech Republic | Challenger | Clay | Andrés Molteni | Roman Jebavý Hans Podlipnik Castillo | 7–6$^{(7–5)}$, 6–7$^{(5–7)}$, [10–6] |
| Win | 27–20 | Oct 2017 | Orléans, France | Challenger | Hard (i) | Andrés Molteni | Jonathan Eysseric Tristan Lamasine | 6–3, 6–7$^{(4–7)}$, [13–11] |
| Loss | 27–21 | Mar 2018 | Santiago, Chile | Challenger | Clay | Guido Andreozzi | Romain Arneodo Jonathan Eysseric | 6–7$^{(4–7)}$, 6–1, [10–12] |
| Loss | 27–22 | May 2018 | Bordeaux, France | Challenger | Clay | Máximo González | Bradley Klahn Peter Polansky | 3–6, 6–3, [7–10] |
| Loss | 27–23 | Sep 2018 | Szczecin, Poland | Challenger | Clay | Guido Andreozzi | Karol Drzewiecki Filip Polášek | 3–6, 4–6 |
| Win | 28–23 | Oct 2018 | Campinas, Brazil | Challenger | Clay | Hugo Dellien | Franco Agamenone Fernando Romboli | 7–5, 6–4 |
| Win | 29–23 | Oct 2018 | Lima, Peru | Challenger | Clay | Guido Andreozzi | Ariel Behar Gonzalo Escobar | 2–6, 7–6$^{(7–5)}$, [10–5] |
| Win | 30–23 | Nov 2018 | Guayaquil, Ecuador | Challenger | Clay | Roberto Quiroz | Thiago Monteiro Fabrício Neis | 6–3, 6–2 |
| Win | 31–23 | Nov 2018 | Montevideo, Uruguay | Challenger | Clay | Guido Andreozzi | Facundo Bagnis Andrés Molteni | 7–6$^{(7–5)}$, 6–4 |
| Win | 32–23 | Nov 2018 | Buenos Aires, Argentina | Challenger | Clay | Guido Andreozzi | Marcelo Demoliner Andrés Molteni | 6–4, 4–6, [10–3] |
| Win | 33–23 | Jan 2019 | Punta del Este, Uruguay | Challenger | Clay | Guido Andreozzi | Sander Gillé Joran Vliegen | 6–2, 6–7$^{(6–8)}$, [10–8] |
| Win | 34–23 | Apr 2019 | Alicante, Spain | Challenger | Clay | Thomaz Bellucci | Gerard Granollers Pujol Pedro Martínez | 2–6, 7–5, [10–5] |
| Loss | 34–24 | Apr 2019 | Tunis, Tunisia | Challenger | Clay | Facundo Argüello | Ruben Bemelmans Tim Pütz | 3–6, 1–6 |
| Loss | 34–25 | Apr 2019 | Francavilla, Italy | Challenger | Clay | David Vega Hernández | Denys Molchanov Igor Zelenay | 3–6, 1–6 |
| Loss | 34–26 | May 2019 | Lisbon, Portugal | Challenger | Clay | Guido Andreozzi | Philipp Oswald Filip Polášek | 5–7, 2–6 |
| Win | 35–26 | Jul 2019 | Braunschweig, Germany | Challenger | Clay | Simone Bolelli | Antonio Šančić Nathaniel Lammons | 6–3, 6–2 |
| Win | 36–26 | Apr 2021 | Belgrade, Serbia | Challenger | Clay | Andrés Molteni | Tomislav Brkić Nikola Ćaćić | 6–4, 6–4 |
| Loss | 36–27 | May 2021 | Rome, Italy | Challenger | Clay | Guido Andreozzi | Sadio Doumbia Fabien Reboul | 5–7, 3–6 |
| Win | 37-27 | Jul 2021 | Porto, Portugal | Challenger | Hard | Guido Andreozzi | Renzo Olivo Miguel Ángel Reyes-Varela | 6–7$^{(5–7)}$, 7–6$^{(7–5)}$, [11–9] |
| Win | 38-27 | Apr 2022 | Tigre, Argentina | Challenger | Clay | Felipe Meligeni Alves | Luciano Darderi Juan Bautista Torres | 3–6, 6–4, [10–3] |
| Win | 39-27 | May 2022 | Coquimbo, Chile | Challenger | Clay | Nicolás Mejía | Diego Hidalgo Cristian Rodríguez | 6–4, 1–6, [10–7] |
| Win | 40-27 | June 2022 | Corrientes, Argentina | Challenger | Clay | Guido Andreozzi | Nicolás Álvarez Murkel Dellien | 7-5, 6-2 |
| Win | 41-27 | Jul 2022 | Todi, Italy | Challenger | Clay | Guido Andreozzi | Romain Arneodo Jonathan Eysseric | 6–1, 2–6, [10–6] |
| Win | 42-27 | Sep 2022 | Buenos Aires, Argentina | Challenger | Clay | Guido Andreozzi | Román Andrés Burruchaga Facundo Díaz Acosta | 6–0, 7–5 |
| Loss | 42–28 | Oct 2022 | Campinas, Brazil | Challenger | Clay | Guido Andreozzi | Boris Arias Federico Zeballos | 5–7, 2–6 |
| Win | 43–28 | Oct 2022 | Rio de Janeiro, Brazil | Challenger | Clay | Guido Andreozzi | Karol Drzewiecki Jakub Paul | 6–3, 6–2 |
| Loss | 43–29 | Oct 2022 | Lima, Peru | Challenger | Clay | Guido Andreozzi | Jesper de Jong Max Houkes | 6–7$^{(6–8)}$, 6–3, [10–12] |
| Win | 44–29 | Oct 2022 | Guayaquil, Ecuador | Challenger | Clay | Guido Andreozzi | Facundo Díaz Acosta Luis David Martínez | 6–0, 6–4 |
| Win | 45–29 | Nov 2022 | São Leopoldo, Brazil | Challenger | Clay | Guido Andreozzi | Felipe Meligeni Alves João Lucas Reis da Silva | 5–1 ret. |
| Win | 46–29 | Nov 2022 | Temuco, Chile | Challenger | Hard | Guido Andreozzi | Luis David Martínez Jeevan Nedunchezhiyan | 6–4, 6–2 |
| Win | 47–29 | Jan 2023 | Concepción, Chile | Challenger | Clay | Guido Andreozzi | Luciano Darderi Oleg Prihodko | 7–6$^{(7–1)}$, 6–7$^{(3–7)}$, [10–7] |
| Loss | 47–30 | Apr 2023 | Sarasota, United States | Challenger | Clay | Guido Andreozzi | Julian Cash Henry Patten | 6–7$^{(4–7)}$, 4–6 |
| Loss | 47–31 | Apr 2023 | Ostrava, Czech Republic | Challenger | Clay | Guido Andreozzi | Robert Galloway Miguel Ángel Reyes-Varela | 5–7, 6–7$^{(5–7)}$ |
| Loss | 47–32 | Sep 2023 | Bogotá, Colombia | Challenger | Clay | Orlando Luz | Renzo Olivo Thiago Agustín Tirante | 6–7$^{(6–8)}$, 4–6 |
| Win | 48–32 | Oct 2023 | Campinas, Brazil | Challenger | Clay | Guido Andreozzi | Diego Hidalgo Cristian Rodríguez | 7–6$^{(7–4)}$, 6–3 |
| Win | 49–32 | Nov 2023 | Montevideo, Uruguay | Challenger | Clay | Guido Andreozzi | Boris Arias Federico Zeballos | 2–6, 7–6$^{(7–2)}$, [10–8] |
| Loss | 49–33 | Jan 2024 | Punta del Este, Uruguay | Challenger | Clay | Guido Andreozzi | Murkel Dellien Federico Agustin Gomez | 3–6, 2–6 |
| Win | 50–33 | Jan 2024 | Piracicaba, Brazil | Challenger | Clay | Guido Andreozzi | Daniel Dutra da Silva Pedro Sakamoto | 6–2, 7–6$^{(7–5)}$ |
| Win | 51–33 | Jul 2024 | Amersfoort, Netherlands | Challenger | Clay | Marcelo Demoliner | Jay Clarke David Stevenson | 7–6$^{(7–2)}$, 6–4 |