Fernando Romboli de Souza (born 4 January 1989) is a Brazilian professional tennis player who specializes in doubles. He has a career-high ATP doubles ranking of world No. 40, achieved on 8 September 2025. He also reached a singles ranking of No. 236 on 20 June 2011. Romboli has won two ATP Tour titles in doubles.
Career 2011 In 2011 Romboli began his season at the Brazil Futures 1, losing in the second round to Ricardo Hocevar 4–6, 6–4, 1–6. He then participated in the São Paulo Challengers tournament, again losing in the round of 16, 6–3, 1–6, 1–6 to Thomas Fabbiano. Participating in the Seguros Bolívar Open Bucaramanga next, he had to enter the draw through the Qualifiers. Despite this setback, he easily beat his two qualifier opponents in straight sets to cement his spot in the main draw. He then produced the best tournament of his career, winning every match he played, dropping only three sets, and recording his first Challenger Circuit title. He then got a wildcard to enter his first ATP World Tour event, the Brasil Open, where he lost his first round to Rubén Ramírez Hidalgo in straight sets.
2012: Ban for positive test After testing positive to diuretics furosemide and hydrochlorothiazide, Romboli was banned for eight-and-a-half months.
2021: First ATP doubles title Romboli won his first ATP doubles title at the 2021 Croatia Open Umag partnering David Vega Hernández defeating top seeds Tomislav Brkić from Bosnia and Herzegovina and Nikola Ćaćić from Serbia.
2025: Masters semifinal, ATP 500 final, top 50 In March 2025, at the age of 36, he had the best campaign of his career at the 2025 BNP Paribas Open, where, entering as an alternate along with John-Patrick Smith, he defeated Austin Krajicek / Rajeev Ram (former world No. 1 and silver medalists in Paris 2024), sixth seeds Cash / Glasspool and the duo Bhambri / Göransson, reaching the semifinals of the tournament.
In April, he won his second ATP title in Houston with Smith.
In May, Romboli reached his biggest final at the ATP 500, the 2025 Hamburg Open with Andrés Molteni but lost to top seeds Simone Bolelli and Andrea Vavassori.
In June, he reached his first grass final at the 2025 Nottingham Open with Smith, defeating top seeds Argentine Guido Andreozzi and French Théo Arribagé. As a result, Romboli reached the top 50 on 30 June 2025 in the doubles rankings, before the 2025 Wimbledon Championships.
Performance timeline
Doubles Tournament202420252026W–LWin %Grand Slam tournamentsAustralian OpenA1R1R0 / 20–2French Open1R3R1R0 / 32–3Wimbledon1R2R2R0 / 32–3US Open1R3R0 / 22–2Win–loss0–35–40 / 106–10ATP Masters 1000Indian Wells MastersASF0 / 13–1Miami OpenAA0 / 00–0Monte Carlo MastersAA0 / 00–0Madrid OpenA1R0 / 10–1Italian OpenA1R0 / 10–1Canadian OpenAQF0 / 12–1Cincinnati MastersA1R0 / 10–1Shanghai MastersA1R0 / 10–1Paris MastersA1R0 / 10–1Win–loss0–05–70 / 75–7
ATP Tour finals
Doubles: 3 (2 titles, 1 runner-up) LegendGrand Slam (0–0)ATP Masters 1000 (0–0)ATP 500 (0–1)ATP 250 (2–0)Finals by surfaceHard (0–0)Clay (2–1)Grass (0–0)Finals by settingOutdoor (2–1)Indoor (0–0)
ResultW–LDateTournamentTierSurfacePartnerOpponentsScoreWin1–0Croatia Open, CroatiaATP 250Clay David Vega Hernández Tomislav Brkić Nikola Ćaćić6–3, 7–5Win2–0U.S. Men's Clay Court Championships, United StatesATP 250Clay John-Patrick Smith Federico Agustín Gómez Santiago González6–1, 6–4Loss2–1Hamburg Open, GermanyATP 500Clay Andrés Molteni Simone Bolelli Andrea Vavassori4–6, 0–6
ATP Challenger and ITF Tour finals
Singles: 23 (14 titles, 9 runner-ups) LegendATP Challenger Tour (1–1)ITF Futures/WTT (13–8)Finals by surfaceHard (0–3)Clay (14–6)
ResultW–LDateTournamentTierSurfaceOpponentScoreWin1–0Brazil F4, Ribeirão PretoFuturesClay Júlio Silva6–4, 3–6, 6–4Win2–0Brazil F8, DivinópolisFuturesClay Rodrigo Guidolin6–7(3–7), 7–6(7–4) ret.Win3–0Brazil F18, FortalezaFuturesClay Tiago Lopes3–6, 6–3, 7–5Loss3–1Brazil F16, JundiaíFuturesClay Rogério Dutra Silva3–6, 5–7Win4–1Brazil F26, ItuFuturesClay Christian Lindell6–4, 7–5Loss4–2Brazil F27, SalvadorFuturesHard Daniel Dutra da Silva6–7(3–7), 6–3, 4–6Win5–2Brazil F33, Belo HorizonteFuturesClay Thales Turini6–3, 6–2Win6–2Brazil F37, GuarulhosFuturesClay Leonardo Kirche6–1, 6–0Win7–2Brazil F38, SorocabaFuturesClay Thales Turini6–2, 6–1Loss7–3Bucaramanga, ColombiaChallengerClay Éric Prodon3–6, 6–4, 1–6Loss7–4Brazil F34, FernandópolisFuturesClay Thiago Alves2–6, 1–6Win8–4Brazil F35, LinsFuturesClay André Miele6–1, 6–2Win9–4Brazil F10, ManausFuturesClay (i) João Pedro Sorgi6–3, 6–4Win10–4Brazil F13, LinsFuturesClay Bruno Semenzato6–2, 6–4Loss10–5USA F14, InnisbrookFuturesClay Marcelo Arévalo3–6, 6–7(5–7)Loss10–6Brazil F4, ManausFuturesClay (i) Pedro Sakamoto6–7(4–7), 5–7Win11–6Brazil F5, NatalFuturesClay José Pereira7–6(7–4), 6–2Loss11–7Brazil F9, BelémFuturesHard Bruno Sant'Anna4–6, 5–7Loss11–8Brazil F19, Porto AlegreFuturesClay Andrea Collarini6–7(2–7), 1–6Win12–8Brazil F16, São José dos CamposFuturesClay Tiago Lopes4–6, 6–1, 6–2Win13–8Cali, ColombiaChallengerClay Giovanni Lapentti4–6, 6–3, 6–2Loss13–9Brazil F8, Campos do JordãoFuturesHard Caio Zampieri6–1, 4–6, 5–7Win14–9Brazil F2, São José do Rio PretoFuturesClay Oscar José Gutierrez6–4, 6–3
Doubles: 98 (54–44) LegendATP Challenger Tour (22–23)ITF Futures/WTT (32–21)Finals by surfaceHard (9–11)Clay (44–31)Grass (1–2)