2019–20: ATP debut

Matos made his ATP main draw debut at the 2019 Brasil Open in the doubles draw partnering Igor Marcondes.^[1]

At the 2020 Rio Open, Matos alongside Orlando Luz defeated the 2019 Wimbledon and 2019 US Open champions, and ATP doubles World No. 1, Juan Sebastián Cabal and Robert Farah 6–1, 4–6, [10–8].^[2]

2021–22: Major debut & first win & quarterfinal, Six titles & top 30 debut

In February 2021, Matos won his first ATP Tour doubles title alongside Felipe Meligeni Alves at the ATP 250 Córdoba Open defeating Romain Arneodo and Benoît Paire. He reached the top 100 in doubles on 3 May 2021 at World No. 99.

He made his Grand Slam debut at the 2021 Wimbledon Championships with compatriot Thiago Monteiro where they reached the second round.

In February 2022, Matos won his second ATP 250 doubles title at the 2022 Chile Open alongside Meligeni Alves.

In April 2022, Matos won his third ATP 250 doubles title at the 2022 Grand Prix Hassan II alongside Spaniard David Vega Hernández. At the 2022 BMW Open he reached his second final with Vega Hernández and fifth overall.^[3]

At the 2022 French Open on his debut at this Major, the pair reached the third round with a win over Łukasz Kubot and Édouard Roger-Vasselin but not before defeating 13th seeded pair of Santiago González and Andrés Molteni. They reached the quarterfinals where they lost to 12th seeded pair of Marcelo Arévalo and Jean-Julien Rojer. As a result, he made his debut in the top 50 in the rankings at world No. 43 on 6 June 2022.

Matos reached the top 30 on 31 October 2022 following a fifth title for the season at the 2022 Sofia Open and a final showing at the ATP 500 2022 Rakuten Japan Open Tennis Championships with Vega Hernández. He ended 2022 with six ATP career titles, and having reached world No. 27 in the doubles rankings on 14 November 2022.

2023: Historic Major mixed doubles title

Playing in mixed doubles of the 2023 Australian Open with fellow Brazilian Luisa Stefani, they won the first Grand Slam title for Brazil, an unprecedented feat both as a 100% Brazilian duo and individually.^[4]

Grand Slam finals

Mixed doubles: 1 (title)

Result	Year	Tournament	Surface	Partner	Opponents	Score
Win	2023	Australian Open	Hard	Luisa Stefani	Sania Mirza Rohan Bopanna	7–6(7–2), 6–2

Doubles: 11 (6 titles, 5 runner-ups)

Result	W–L	Date	Tournament	Tier	Surface	Partner	Opponents	Score
Win	1–0	Feb 2021	Córdoba Open, Argentina	250 Series	Clay	Felipe Meligeni Alves	Romain Arneodo Benoît Paire	6–4, 6–1
Loss	1–1	May 2021	Belgrade Open, Serbia	250 Series	Clay	André Göransson	Jonathan Erlich Andrei Vasilevski	4–6, 1–6
Win	2–1	Feb 2022	Chile Open, Chile	250 Series	Clay	Felipe Meligeni Alves	André Göransson Nathaniel Lammons	7–6(10–8), 7–6(7–3)
Win	3–1	Apr 2022	Grand Prix Hassan II, Morocco	250 Series	Clay	David Vega Hernández	Andrea Vavassori Jan Zieliński	6–1, 7–5
Loss	3–2	May 2022	Bavarian Championships, Germany	250 Series	Clay	David Vega Hernández	Kevin Krawietz Andreas Mies	6–4, 4–6, [7–10]
Win	4–2	Jun 2022	Mallorca Championships, Spain	250 Series	Grass	David Vega Hernández	Ariel Behar Gonzalo Escobar	7–67–5, 6–76–8, [10–1]
Win	5–2	Jul 2022	Swedish Open, Sweden	250 Series	Clay	David Vega Hernández	Simone Bolelli Fabio Fognini	6–4, 3–6, [13–11]
Win	6–2	Oct 2022	Sofia Open, Bulgaria	250 Series	Hard (i)	David Vega Hernández	Fabian Fallert Oscar Otte	3–6, 7–5, [10–8]
Loss	6–3	Oct 2022	Japan Open, Japan	500 Series	Hard	David Vega Hernández	Mackenzie McDonald Marcelo Melo	4–6, 6–3, [4–10]
Loss	6–4	Jul 2023	Swedish Open, Sweden	250 Series	Clay	Francisco Cabral	Gonzalo Escobar Aleksandr Nedovyesov	2–6, 2–6
Loss	6–5	Sep 2023	Chengdu Open, China	250 Series	Hard	Francisco Cabral	Sadio Doumbia Fabien Reboul	6–4, 5–7, [7–10]

Singles: 9 (4–5)

Result	W–L	Date	Tournament	Tier	Surface	Opponent	Score
Loss	0–1	Nov 2014	Brazil F15, Foz do Iguaçu	Futures	Clay	Fabrício Neis	3–6, 5–7
Win	1–1	May 2017	Spain F14, Vic	Futures	Clay	Pedro Cachin	4–6, 6–0, 1–0r
Loss	1–2	Aug 2017	Spain F25, Vigo	Futures	Clay	Marc Giner	2–6, 6–4, 6–7(6–8)
Win	2–2	Nov 2017	Brazil F2, Santos	Futures	Clay	Wilson Leite	6–2, 3–6, 6–3
Win	3–2	May 2018	Brazil F2, São Paulo	Futures	Clay	Gonzalo Villanueva	6–1, 6–3
Win	4–2	May 2019	Tunisia M15, Tabarka	Futures	Clay	Orlando Luz	7–5, 7–5
Loss	4–3	May 2019	Valldoreix M15, Valldoreix	Futures	Clay	Orlando Luz	3–6, 4–6
Loss	4–4	Jun 2019	São José do Rio Preto M15, São José do Rio Preto	Futures	Clay	Juan Pablo Ficovich	4–6, 2–6
Loss	4–5	Oct 2019	São Paulo M15, São Paulo	Futures	Clay	Bastian Malla	3–6, 2–6

Doubles: 20 (11–8)

Result	W–L	Date	Tournament	Tier	Surface	Partner	Opponents	Score
Win	1–0	Oct 2019	Campinas, Brasil	Challenger	Clay	Orlando Luz	Miguel Ángel Reyes-Varela Fernando Romboli	6–7(2–7), 6–4, [10–8]
Win	2–0	Jan 2020	Punta del Este, Uruguay	Challenger	Clay	Orlando Luz	Juan Manuel Cerúndolo Thiago Agustín Tirante	6–4, 6–2
Loss	2–1	Mar 2020	Monterrey, Mexico	Challenger	Hard	Orlando Luz	Karol Drzewiecki Gonçalo Oliveira	7–6(7–5), 4–6, [9–11]
Win	3–1	Sep 2020	Iași, Romania	Challenger	Clay	João Menezes	Treat Huey Nathaniel Lammons	6–2, 6–2
Win	4–1	Feb 2021	Concepción, Chile	Challenger	Clay	Orlando Luz	Sergio Galdós Diego Hidalgo	7–5, 6–4
Loss	4–2	Mar 2021	Santiago, Chile	Challenger	Clay	Felipe Meligeni Alves	Luis David Martinez Gonçalo Oliveira	5–7, 1–6
Win	5-2	Apr 2021	Tallahassee, USA	Challenger	Clay	Orlando Luz	Sekou Bangoura Donald Young	7–6(7–2), 6–2
Loss	5–3	May 2021	Biella, Italy	Challenger	Clay	Felipe Meligeni Alves	André Göransson Nathaniel Lammons	6–7(3–7), 3–6
Win	6-3	Aug 2021	Cordenons, Italy	Challenger	Clay	Orlando Luz	Sergio Galdós Renzo Olivo	6–4, 7–6(7–5)
Loss	6-4	Aug 2021	San Marino, San Marino	Challenger	Clay	João Menezes	Zdeněk Kolář Luis David Martínez	6–1, 3–6, [3–10]
Win	7-4	Aug 2021	Como, Italy	Challenger	Clay	Felipe Meligeni Alves	Luis David Martínez Andrea Vavassori	6–7(2–7), 6–4, [10–6]
Loss	7–5	Sep 2021	Tulln an der Donau, Austria	Challenger	Clay	Felipe Meligeni Alves	Dustin Brown Andrea Vavassori	6–7(5–7), 1–6
Win	8-5	Nov 2021	Montevideo, Uruguay	Challenger	Clay	Felipe Meligeni Alves	Ignacio Carou Luciano Darderi	6–4, 6–4
Win	9-5	Nov 2021	Campinas, Brazil	Challenger	Clay	Felipe Meligeni Alves	Gilbert Klier Júnior Matheus Pucinelli de Almeida	6–3, 6–1
Loss	9–6	Nov 2021	São Paulo, Brazil	Challenger	Clay	Felipe Meligeni Alves	Nicolás Barrientos Alejandro Gómez	w/o
Loss	9–7	Dec 2021	Florianópolis, Brazil	Challenger	Clay	Martín Cuevas	Nicolás Barrientos Alejandro Gómez	3–6, 3–6
Win	10-7	Dec 2021	Rio de Janeiro, Brazil	Challenger	Hard	Orlando Luz	James Cerretani Fernando Romboli	6–3, 7–6(7–2)
Loss	10-8	Apr 2022	Madrid, Spain	Challenger	Clay	David Vega Hernández	Adam Pavlásek Igor Zelenay	3–6, 6–3, [6–10]
Win	11-8	May 2022	Bordeaux, France	Challenger	Clay	David Vega Hernández	Hugo Nys Jan Zieliński	6-4, 6-0

Davis Cup

Matos was first nominated to play for Brazil in Davis Cup in September 2021 against Lebanon in doubles.^[5] Matos alongside Marcelo Demoliner made his debut in Davis Cup against Benjamin Hassan and Habib Hady and won in three sets at the third rubber of that tie. Later, the Brazilian team confirmed the 4–0 tie and advanced into the 2022 Davis Cup qualifying round.^[6] Currently, Matos sports a 3–0 record in Davis Cup matches. He has played only doubles matches thus far.

All Davis Cup Matches: 3–0 (Doubles: 3–0)
2020 Davis Cup World Group I
Round	Date	Opponent	Final match score	Location	Surface	Match	Partner	Opponents	Rubber Score
WGI	September 18–19, 2021	Lebanon	4–0	Jounieh	Clay	III	Marcelo Demoliner	Benjamin Hassan / Habib Hady	6–2, 3–6, 7–6(7–5)
2022 Davis Cup World Group I
WGI	September 16–17, 2022	Portugal	1–3	Viana do Castelo	Hard(i)	III	Felipe Meligeni Alves	Nuno Borges / Francisco Cabral	6–3, 0–6, 6–3
2023 Davis Cup World Group I
Play-offs	February 3–4, 2023	China	4–0	Florianópolis	Clay	III	Felipe Meligeni Alves	Cui Jie / Zhang Ze	6–2, 6–3

Doubles: 1 (1 runner-up)

Result	Year	Tournament	Surface	Partner	Opponents	Score
Loss	2014	US Open	Hard	João Menezes	Omar Jasika Naoki Nakagawa	3–6, 6–7(6–8)