Sebastián Báez

1.1. Early Tennis and Training

Sebastián Báez began playing tennis at the age of two. His formal training started at 10 years old under the guidance of former professional tennis player José Luis Clerc. By the age of 15, Sebastián Gutiérrez took over as his coach, further influencing his development as a tennis player.

1.2. Junior Achievements and Rankings

Báez's junior career was marked by impressive results. In 2014, he won the Boys' 16s singles title at the ITF Orange Bowl. He began participating in the ITF Futures Tour in May 2016. In 2017, he earned a gold medal in doubles and silver medals in both singles and mixed doubles at the 2017 South American Youth Games.

On March 12, 2018, Báez ascended to the ITF junior world No. 1 ranking, solidifying his status as a leading talent. Later that year, he reached the final of the French Open Boys' Singles, where he finished as the runner-up to Tseng Chun-hsin. In October 2018, he secured a gold medal in doubles at the Youth Olympics held in his hometown of Buenos Aires, partnering with Facundo Díaz Acosta.

He claimed his first Futures title in April 2019 at an event in Buenos Aires. Báez made his Challenger Tour debut as a wildcard at the Buenos Aires Challenger in September 2019.

2.1. 2021: ATP Debut, Challenger Success, Top 100 Breakthrough

Báez made his ATP Tour debut at the 2021 Chile Open, where he lost to Holger Rune in straight sets in the first round. His first tour-level victory came at the 2021 Hamburg European Open, where he defeated Frenchman Corentin Moutet in the first round, although he subsequently had to withdraw from the second round after testing positive for COVID-19.

He enjoyed significant success on the ATP Challenger Tour in 2021, becoming the youngest player in history to claim five Challenger titles in a single season. His victories included titles in Concepción (defeating Francisco Cerúndolo), Santiago (defeating Marcelo Tomás Barrios Vera), Zagreb (defeating Juan Pablo Varillas), Santiago III (defeating Felipe Meligeni Alves), and Buenos Aires (defeating Thiago Monteiro). He added a sixth Challenger title in Campinas, Brazil, later that year.

In 2021, he also made his Grand Slam qualifying debuts at the 2021 French Open, 2021 Wimbledon Championships, and 2021 US Open, though he did not advance to the main draw in any of these. He qualified for the 2021 Next Generation ATP Finals in Milan following the withdrawal of Jenson Brooksby. At the Finals, Báez advanced to the semifinals with wins over Lorenzo Musetti and Hugo Gaston, before being defeated by top seed Carlos Alcaraz. Following his sixth Challenger win in Campinas, he reached the top 100 for the first time in his career, achieving a year-end ATP ranking of World No. 97 on November 22, 2021.

2.2. 2022: Maiden ATP Title, Major Debuts, Top 35

Báez began 2022 at the 2022 Melbourne Summer Set 1, where he entered the main draw as a lucky loser but lost in the first round. The following week at the 2022 Sydney International, he qualified for the main draw and won his first match against Christopher O'Connell, before losing in the second round.

He made his debut at the 2022 Australian Open, securing his first Grand Slam main draw victory by defeating Albert Ramos Viñolas. In the second round, he faced World No. 4 Stefanos Tsitsipas, a top-10 opponent, for the first time in his career, losing a hard-fought four-set match. This performance propelled him into the top 80, reaching World No. 77 on January 31, 2022.

Báez reached his first ATP-level quarterfinal at the 2022 Córdoba Open, where he upset World No. 18 and third seed Cristian Garín. He competed in his hometown tournament, the 2022 Argentina Open as a wildcard, defeating Holger Rune before losing to Lorenzo Sonego. At the 2022 Rio Open, he successfully navigated the qualifying rounds but was defeated in the first round of the main draw.

At the 2022 Chile Open, Báez was seeded for the first time in an ATP tournament (7th seed) and reached his maiden ATP Tour final, overcoming Juan Pablo Varillas, Juan Ignacio Londero, Thiago Monteiro, and Albert Ramos Viñolas. He ultimately lost the final to Pedro Martínez. As a result of this run, he entered the top 60 on March 7, 2022.

In April 2022, Báez reached his second semifinal of the season at the 2022 Estoril Open, defeating third seed Marin Čilić and Richard Gasquet en route. This achievement led to his debut in the top 50. He then defeated Albert Ramos Viñolas to reach his second career ATP final. Báez went on to win his maiden ATP Tour title by defeating third seed Frances Tiafoe in the final, moving into the top 40 on May 2, 2022.

He made his main draw debuts at the 2022 French Open and the 2022 Wimbledon Championships, securing his first match wins at both Majors by defeating Dušan Lajović and Taro Daniel, respectively. Báez reached his third final of the season at the 2022 Swedish Open in Båstad, achieving a significant win over top-10 player Andrey Rublev. He lost the final to his compatriot Francisco Cerúndolo. On July 18, 2022, he achieved a career-high ranking of No. 32. In October, at the 2022 Tennis Napoli Cup, he ended an 11-match losing streak by defeating Lorenzo Sonego.

2.3. 2023: Multiple ATP Titles, Top 30, US Open Third Round

In February 2023, Sebastián Báez won his second career title at the 2023 Córdoba Open in Argentina. On his favored clay surface, he defeated Luciano Darderi, Tomás Barrios Vera, Hugo Dellien, and his compatriot Federico Coria in the final. His consistent performance allowed him to break into the top 30 of the ATP rankings on April 17, 2023, following the 2023 Monte-Carlo Masters.

August 2023 was a particularly strong period for Báez, as he claimed his third and fourth career ATP titles as part of a remarkable ten-match winning streak. He won the singles title at the Austrian Open Kitzbühel on clay, defeating the popular Austrian player Dominic Thiem in straight sets in the final. Immediately following this success, he captured the singles title at the 2023 Winston-Salem Open on hardcourts, besting Jiří Lehečka in straight sets in the final.

At the US Open, Báez advanced to the third round of a Grand Slam tournament for the first time in his career. He achieved victories over 27th seed Borna Ćorić and Felipe Meligeni Alves before his winning streak was ended by eventual finalist and third seed Daniil Medvedev.

2.4. 2024-2025: Latin American No. 1, Top 20, Rio Open Consecutive Titles

Following the 2024 Australian Open, where he reached the third round of a Grand Slam for the second time, Báez achieved a new career-high ranking, entering the top 25 in the singles rankings. As the defending champion at the 2024 Córdoba Open, he reached the semifinals for a second consecutive year but was defeated by qualifier Luciano Darderi.

Seeded fifth at the 2024 Rio Open, Báez reached the biggest final of his career by defeating his compatriot and fourth seed Francisco Cerúndolo. He went on to win his fifth and largest title by defeating qualifier and first-time ATP finalist, his compatriot Mariano Navone. This victory propelled him to a new career-high ranking of world No. 21 on February 26, 2024.

The following week, at the 2024 Chile Open, Báez secured his sixth ATP title and second of the season by defeating home favorite Alejandro Tabilo. As a result of this win, he became the top-ranked Latin American player and reached a new career-high ranking of world No. 19 on March 4, 2024, surpassing Francisco Cerúndolo. He joined an exclusive group as one of only 20 Argentines in history to reach the top 20 of the ATP rankings.

At the 2025 Rio Open, Báez made history by reaching back-to-back finals, becoming only the third player to achieve multiple finals appearances in the tournament's history, alongside Diego Schwartzman and Carlos Alcaraz. He successfully defended his title against Alexandre Muller, becoming the first Rio Open champion to win the title twice and in consecutive years. At the subsequent Golden Swing tournament, the 2025 Chile Open, Báez reached the quarterfinals after defeating his compatriot Francisco Comesana, with whom he shares a coach. He then advanced to the semifinals by defeating Damir Džumhur. Báez continued his strong performance, reaching back-to-back finals at the Chile Open and recording his 100th career win in the process against his compatriot Camilo Ugo Carabelli.

3.1. ATP Tour Finals

Sebastián Báez has appeared in 10 ATP Tour singles finals, achieving 7 titles and 2 runner-up finishes, with 1 pending final.

3.2. ATP Challenger Tour Finals

Sebastián Báez has reached 9 ATP Challenger Tour singles finals, winning 6 titles and finishing as runner-up 3 times.

3.3. ITF Futures/World Tennis Tour Finals

Sebastián Báez has competed in both singles and doubles finals at the ITF Futures and World Tennis Tour events.

In singles, he reached 8 finals, securing 5 titles and finishing as runner-up 3 times.

In doubles, Báez reached 3 finals, winning 1 title and finishing as runner-up 2 times.

3.4. Junior Grand Slam Finals

Sebastián Báez reached one Junior Grand Slam final in his career.

3.5. Performance Timeline (Singles)

This is a summary of Sebastián Báez's year-by-year singles performance in Grand Slam tournaments, ATP Masters 1000 events, and the Summer Olympics, current through the 2025 Rio Open.

3.6. Head-to-head records

Sebastián Báez's head-to-head records against various opponents, particularly top-ranked players, showcase his performance against the sport's elite.

3.7. Longest Winning Streaks

Báez has achieved several notable winning streaks throughout his professional career.

In 2023, he recorded a 12-match winning streak.

In 2024, Báez achieved a 10-match winning streak.