|Born||5 October 1990|
|Height||1.93 m (6 ft 4 in)|
|Plays||Left-handed (two-handed backhand)|
|Career record||153-172 (47.1% in ATP World Tour and Grand Slam main draw matches, and in Davis Cup)|
|Highest ranking||No. 33 (9 May 2016)|
|Current ranking||No. 46 (13 September 2021)|
|Grand Slam Singles results|
|Australian Open||3R (2016)|
|French Open||4R (2021)|
|Wimbledon||1R (2014, 2015, 2016, 2018, 2019, 2021)|
|US Open||2R (2014, 2016)|
|Olympic Games||1R (2016)|
|Career record||51-73 (41.1% in ATP World Tour and Grand Slam main draw matches, and in Davis Cup)|
|Highest ranking||No. 110 (22 July 2019)|
|Current ranking||No. 181 (26 July 2021)|
|Grand Slam Doubles results|
|Australian Open||2R (2020)|
|French Open||3R (2019)|
|Wimbledon||2R (2016, 2018)|
|US Open||2R (2015, 2019)|
|Other doubles tournaments|
|Olympic Games||1R (2016)|
|Davis Cup||W (2016)|
|Last updated on: 26 July 2021.|
Federico Delbonis (Spanish pronunciation: [feðe'?iko ðel'?onis];[a] born 5 October 1990) is an Argentine professional tennis player. He has a career-high ATP singles ranking of No. 33 achieved on 9 May 2016. He also has a career-high doubles ranking of No. 110 achieved on 22 July 2019.
Delbonis won five Challenger and Futures titles from the time he turned professional in 2009 until 2013. In 2011, Delbonis reached the first ATP semifinal of his career at the Mercedes Cup in Stuttgart, Germany. He won 6 consecutive matches, having to win 3 qualifying matches in order to enter the main draw, ultimately falling to Juan Carlos Ferrero in three sets. 
He qualified at the 2013 International German Open and then beat Tommy Robredo, Dmitry Tursunov and Fernando Verdasco, the latter of which he won in a tight three-setter to set up a meeting in the semifinals with Roger Federer. Against Federer, Delbonis scored by far the biggest win of his career, defeating him in two tiebreaker to book a place in the first ATP Tour final of his career. He finished runner-up to Fabio Fognini, squandering a set and 4-1 lead and failing to convert three match points. Due to his strong performance, his tour ranking soared into the top 100 for the first time in his career.
In 2014 he went on to win his first ATP title when he defeated Paolo Lorenzi in three sets, at the 2014 Brasil Open. It was their first tour level match against each other, however Lorenzi has won against Delbonis in past three Challenger events. The win enabled to reach a new men's singles high ranking of 44.
Delbonis started his season at the 2016 Apia International Sydney. He beat Sam Groth in the first round in straight sets. In his second round he played Teymuraz Gabashvili losing in straight sets 3-6, 3-6. Delbonis then played at the first major of the year at the 2016 Australian Open. In the first round he upset 22nd seed Ivo Karlovi? after Karlovi? had to retire in the third set. Delbonis then reached the third round of a major for the first time in his career after beating Renzo Olivo in the second round in five sets. He then lost in straight sets to 14th seed Gilles Simon.
Delbonis next played at the 2016 Argentina Open. He beat 6th seed Fabio Fognini in the first round after being a set down. He lost his second round match to eventual finalist Nicolás Almagro in three sets. Delbonis played in another clay court tournament at the 2016 Rio Open. In his first round he beat 6th seed Jack Sock in straight sets. He followed this up with another win in straight sets in the second round beating Paolo Lorenzi. He then lost in the quarterfinals against eventual champion Pablo Cuevas in straight sets. He then played in his third straight clay court tournament at the 2016 Brasil Open as the 4th seed. He got a bye pass in the first round. In the second round he beat Diego Schwartzman after being a set down. In the quarterfinals he lost to Íñigo Cervantes.
Delbonis next competed at the first Masters 1000 of the year at the 2016 Indian Wells Masters. In the first round he defeated Santiago Giraldo in straight sets. In the second round he defeated 32nd seed João Sousa also in straight sets. In the third round Delbonis earned his biggest win of his career defeating 2nd seed Andy Murray in three sets. This was Delbonis's third top 10 win. In the fourth round he lost to 13th seed Gaël Monfils in straight sets 3-6, 4-6. Delbonis next competed at the 2016 Miami Open. In the first round he defeated wildcard Elias Ymer in three sets. In the second round he lost to 26th seed Grigor Dimitrov.
Delbonis next chose to compete at the 2016 Grand Prix Hassan II as the 4th seed. He received a bye pass for the first round. In the second round he defeated Thiemo de Bakker in straight sets. He then defeated 7th seed Pablo Carreño Busta in the quarterfinals also in straight sets. In the semifinals In the semifinals he defeated Albert Montañés once again in straight sets. He won his second career title without dropping a set the entire tournament by defeating 3rd seed Borna ?ori? in the final in straight sets. He then competed at the 2016 Monte-Carlo Rolex Masters. He had a disappointing loss to wildcard Fernando Verdasco 0-6, 3-6. Delbonis then played at the 2016 BRD N?stase ?iriac Trophy as the 3rd seed. He received a bye pass in the first round. In the second round he defeated Illya Marchenko in straight sets. In the quarterfinals he defeated Marco Cecchinato also in straight sets. In the semifinals he lost to Lucas Pouille 3-6, 2-6.
Delbonis then competed at the 2016 Istanbul Open as the 4th seed. He received a bye pass for the first round. In the second round he defeated Dudi Sela in three sets. In the quarterfinal he defeated Albert Ramos-Viñolas in straight sets. In the semifinals he lost to eventual champion Diego Schwartzman despite winning the first set. Delbonis then competed at the 2016 Geneva Open as the 6th seed. In the first round he defeated wildcard Janko Tipsarevi? in straight sets. In the second round he defeated last years champion Thomaz Bellucci in straight sets. In the quarterfinals he lost to 3rd seed and eventual runner up Marin ?ili? 4-6, 3-6. Delbonis next competed at the second major of the year at the 2016 French Open as the 31st seed which marks the first time Delbonis has been seeded at a major. He was eliminated in the first round losing to Pablo Carreño Busta in four sets.
Delbonis next competed at the third major of the year, the 2016 Wimbledon Championships. In the first round, he faced Fabio Fognini and lost in an epic five setter 4-6, 6-1, 7-6(7-3), 2-6, 3-6. Delbonis then played for Argentina in the Davis Cup quarterfinals against Italy. He beat Andreas Seppi and Fabio Fognini, both in four sets, to help clinch the tie 3-1. In the finals of Davis Cup, he lost against Marin Cilic in five sets but beat Ivo Karlovic in straight sets in the fifth and deciding rubber to give Argentina their first Davis Cup.
In May, Delbonis reached his maiden Masters 1000 quarterfinal in singles in Rome. He defeated 12th seeded David Goffin and Felix Auger Aliassime in the second and third round respectively. He lost to Reilly Opelka in the quarterfinals in straight sets. With his best showing at a Masters, he returned to the top 50 in the singles rankings in over 4 years, since March 2017.
|Loss||0-1||Jul 2013||German Open, Germany||500 Series||Clay||Fabio Fognini||6-4, 6-7(8-10), 2-6|
|Win||1-1||Mar 2014||Brasil Open, Brazil||250 Series||Clay (i)||Paolo Lorenzi||4-6, 6-3, 6-4|
|Loss||1-2||May 2014||Open de Nice Côte d'Azur, France||250 Series||Clay||Ernests Gulbis||1-6, 6-7(5-7)|
|Win||2-2||Apr 2016||Grand Prix Hassan II, Morocco||250 Series||Clay||Borna ?ori?||6-2, 6-4|
|Win||1-0||Mar 2018||Brasil Open, Brazil||250 Series||Clay (i)||Máximo González|| Wesley Koolhof
|Loss||1-1||Aug 2018||Austrian Open Kitzbühel, Austria||250 Series||Clay||Daniele Bracciali|| Roman Jebavý
|Win||2-1||Mar 2019||Brasil Open, Brazil (2)||250 Series||Clay (i)||Máximo González|| Luke Bambridge
|Loss||2-2||Jul 2019||Swedish Open, Sweden||250 Series||Clay||Horacio Zeballos|| Sander Gillé
|7-6(7-5), 5-7, [5-10]|
|Loss||2-3||Mar 2021||Chile Open, Chile||250 Series||Clay||Jaume Munar|| Simone Bolelli
|Win||Nov 2016||Davis Cup, Zagreb, Croatia||Hard (i)|| Juan Martín del Potro
| Marin ?ili?
|Win||1-0||Jan 2009||Guatemala F1, Guatemala||Futures||Hard||Nicolás Santos||6-3, 6-4|
|Loss||1-1||Mar 2009||Italy F3, Rome||Futures||Clay||Tim Göransson||4-6, 3-6|
|Loss||1-2||May 2009||Argentina F7, Cordoba||Futures||Clay||Jorge Aguilar||3-6, 4-6|
|Win||2-2||Aug 2009||Manerbio, Italy||Challenger||Clay||Leonardo Tavares||6-1, 6-3|
|Loss||2-3||Apr 2010||Napoli, Italy||Challenger||Clay||Rui Machado||4-6, 4-6|
|Win||3-3||Apr 2010||Rome, Italy||Challenger||Clay||Florian Mayer||6-3, 6-4|
|Loss||3-4||Jul 2010||Rimini, Italy||Challenger||Clay||Paolo Lorenzi||2-6, 0-6|
|Win||4-4||Jan 2013||Bucaramanga, Colombia||Challenger||Clay||Wayne Odesnik||7-6(7-4), 6-3|
|Win||5-4||Apr 2013||Barranquilla, Colombia||Challenger||Clay||Facundo Bagnis||6-3, 6-2|
|Loss||5-5||Sep 2013||Liberec, Czech Republic||Challenger||Clay||Ji?í Veselý||7-6(7-2), 6-7(9-11), 4-6|
|Win||6-5||Apr 2015||Sarasota, United States||Challenger||Clay||Facundo Bagnis||6-4, 6-2|
|Win||7-5||Jun 2015||Milan, Italy||Challenger||Clay||Rogério Dutra Silva||6-1, 7-6(8-6)|
|Win||8-5||Oct 2015||Rome, Italy||Challenger||Clay||Filip Krajinovi?||1-6, 6-3, 6-4|
|Loss||8-6||Jun 2017||Prost?jov, Czech Republic||Challenger||Clay||Ji?í Veselý||7-5, 1-6, 5-7|
|Win||9-6||Jun 2017||Todi, Italy||Challenger||Clay||Marco Cecchinato||7-5, 6-1|
|Loss||9-7||Jul 2017||Milan, Italy||Challenger||Clay||Guido Pella||2-6, 1-2 ret.|
|Win||10-7||Oct 2017||Cali, Colombia||Challenger||Clay||Guillherme Clezar||7-6(12-10), 7-5|
|Win||11-7||Sep 2018||Biella, Italy||Challenger||Clay||Stefano Napolitano||6-4, 6-3|
|Loss||11-8||Oct 2018||Campinas, Brazil||Challenger||Clay||Cristian Garin||3-6, 4-6|
|Loss||11-9||Oct 2018||Santo Domingo, Dominican Republic||Challenger||Clay||Cristian Garin||4-6, 7-5, 4-6|
|Win||12-9||Jul 2019||Perugia, Italy||Challenger||Clay||Guillermo García López||6-0, 1-6, 7-6(7-5)|
|Loss||12-10||Nov 2019||Montevideo, Uruguay||Challenger||Clay||Jaume Munar||5-7, 2-6|
|Loss||0-1||May 2008||Spain F7, Lleida||Futures||Clay||Pedro Clar-Rossello|| Agustin Boje-Ordonez
|Loss||0-2||Sep 2008||Argentina F10, Rosario||Futures||Clay||Nicolas Pastor|| Juan-Manuel Ferrer
|Loss||0-3||Mar 2009||Italy F4, Rome||Futures||Clay||Nicolas Pastor|| Leonardo Azzaro
|0-6, 7-5, [3-10]|
|Loss||0-4||May 2009||Argentina F7, Cordoba||Futures||Clay||Juan Vazquez-Valenzuela|| Jorge Aguilar
|Loss||0-5||Oct 2010||Buenos Aires, Argentina||Challenger||Clay||Jorge Aguilar|| Carlos Berlocq
|Win||1-5||Mar 2011||Salinas, Ecuador||Challenger||Clay||Facundo Bagnis|| Rogerio Dutra Silva
|Loss||1-6||Jun 2011||Marburg, Germany||Challenger||Clay||Horacio Zeballos|| Martin Emmrich
|Win||2-6||Sep 2011||Como, Italy||Challenger||Clay||Renzo Olivo|| Martin Alund
|Win||3-6||Mar 2012||Rabat, Morocco||Challenger||Clay||Inigo Cervantes Huegun|| Martin Klizan
|6-7(3-7), 6-1, [10-5]|
|Loss||3-7||Mar 2012||Marrakech, Morocco||Challenger||Clay||Inigo Cervantes Huegun|| Martin Klizan
Daniel Munoz-De La Nava
|3-6, 6-1, [10-12]|
|Loss||3-8||Jan 2013||São Paulo, Brazil||Challenger||Hard||Renzo Olivo|| James Cerretani
|7-6(5-7), 1-6, [9-11]|
|Loss||3-9||Mar 2013||Santiago, Chile||Challenger||Clay||Diego Junqueira|| Marcelo Demoliner
|Loss||3-10||Mar 2013||Pereira, Colombia||Challenger||Clay||Facundo Bagnis|| Nicolas Barrientos
|6-3, 3-6, [6-10]|
|Win||4-10||Apr 2013||Barranquilla, Colombia||Challenger||Clay||Facundo Bagnis|| Fabiano De Paula
Current through the end of 2021 US Open
|Grand Slam tournaments|
Delbonis's match record against those who have been ranked in the Top 10, with those who have been No. 1 in boldface, and retired players in italics.
|1.||Roger Federer||5||, Germany||Clay||SF||7-6(9-7), 7-6(7-4)|
|2.||Stan Wawrinka||9||Geneva Open, Switzerland||Clay||QF||6-7(5-7), 6-4, 6-4|
|3.||Andy Murray||2||Indian Wells Masters, U.S.||Hard||3R||6-4, 4-6, 7-6(7-3)|