Thiago Seyboth Wild Bio
Thiago Seyboth Wild is a Brazilian professional tennis player born on 10 March 2000 in Marechal Cândido Rondon, Paraná, Brazil. Standing 185 cm tall, he turned professional in 2018 and quickly established himself as one of the rising talents of South American tennis. He achieved a career-high ATP singles ranking of No. 58 on 20 May 2024 and currently ranks as the No. 4 singles player from Brazil.
Seyboth Wild is known for his powerful down-the-line forehand and his comfort on clay courts. He lists the French Open as his favorite tournament and has long admired Rafael Nadal, striving to emulate the Spaniard’s intensity. He resides in Buenos Aires, Argentina, where he continues to train and compete on the ATP circuit.
Early Life and Background
Thiago Seyboth Wild was raised in Marechal Cândido Rondon, a municipality in the state of Paraná in southern Brazil. His father, Claudio Ricardo Wild, manages several tennis academies in Brazil, which gave Thiago early and constant exposure to the sport. His mother, Gisela Christine Seyboth, works as a dentist, and Seyboth Wild has said that if he had not pursued tennis, he would have liked to follow her into medicine. He has a sister named Luana.
Seyboth Wild began playing tennis at the age of four, guided by his father on local courts. He studied biomedicine and administration before dedicating himself fully to professional tennis, and he has expressed hopes of completing his degree in the future. He is of paternal Romanian and Russian descent, while his mother is of German heritage. Through his maternal line, he is the great-great-grandson of Dietrich Klagges, an early member of the Nazi Party.
At the age of 14, Seyboth Wild left his hometown and moved to Rio de Janeiro to begin training more seriously for a professional career. He has spoken openly about how the tennis court provides him with both structure and creative freedom, describing it as the place where he feels most like himself.
Path to Tennis
Seyboth Wild’s competitive rise began on the junior circuit, where he combined for an ITF junior ranking of No. 8 in January 2018. That same year, he won the boys’ singles title at the 2018 US Open, becoming only the second Brazilian to capture a junior Grand Slam singles title. He also reached the junior semifinals at the French Open and competed in the junior doubles at both majors.
Later in 2018, Seyboth Wild received a wildcard into the singles main draw of the Brasil Open, marking his ATP main draw debut. The transition from juniors to the ATP level was swift, supported by his family’s background in tennis coaching and his father’s network of academies.
Thiago Seyboth Wild Career
Early Career (2018–2019)
In 2018, Seyboth Wild balanced junior Grand Slam success with his first appearances on the ATP Tour. His wildcard run at the Brasil Open introduced him to the professional circuit and gave him valuable match experience against established players.
On 3 November 2019, at the age of 19, he captured his first ATP Challenger title in Guayaquil, Ecuador. The victory pushed him into the top 300 for the first time and lifted him to No. 235 in the world, making him the third-ranked Brazilian player behind Thiago Monteiro and João Menezes.
ATP Tour Breakthrough (2020)
In February 2020, Seyboth Wild received a wildcard into the ATP 500 event in Rio de Janeiro, where he upset Spain’s Alejandro Davidovich Fokina in a marathon first-round match lasting 3 hours and 49 minutes, the longest in the tournament’s history. The result moved him into the world top 200 for the first time.
The following week, as a wildcard at the ATP 250 in Santiago, Chile, Seyboth Wild produced one of the breakthrough stories of the season. He defeated Facundo Bagnis, Juan Ignacio Londero, and top seed Cristian Garín before beating Renzo Olivo in the semifinals. In the final, he overcame Norway’s Casper Ruud in three sets to win his first ATP Tour title at the Chile Open, becoming the youngest Brazilian ATP titlist, surpassing Gustavo Kuerten’s previous mark. He was also the first player born in the 2000s to win an ATP title.
Later in 2020, Seyboth Wild became the first professional tennis player to publicly announce a COVID-19 diagnosis. After the tour resumed, he made his Grand Slam main draw debut at the US Open and reached the final of the Challenger 125 event in Aix-en-Provence, France.
Comeback and Top 75 (2023)
After a quieter stretch, Seyboth Wild returned to form in 2023. He won Challenger titles in Viña del Mar and Buenos Aires, reached the doubles final at the Chile Open, and broke into the top 200 in both singles and doubles. He also reached the quarterfinals of the Piemonte Open, an ATP Challenger Tour 175 event.
At Roland Garros in 2023, Seyboth Wild qualified as one of the lowest-ranked players in the draw. He produced one of the upsets of the tournament by defeating world No. 2 Daniil Medvedev in five sets in the first round, earning the biggest win of his career. He followed it with a victory over former top-20 player Guido Pella to reach the third round of a Grand Slam for the first time, before falling to Yoshihito Nishioka in five sets.
Later in 2023, Seyboth Wild won back-to-back Challenger titles in Como and Genoa, defeating the likes of Benoît Paire, Pedro Martínez, and Fabio Fognini. Those results pushed him into the world top 100 for the first time and lifted him to a career-high No. 76 in September.
Top 60 Era (2024)
Seyboth Wild opened 2024 with a five-set loss to Andrey Rublev at the Australian Open. He then reached his first ATP 500 quarterfinal at the Rio Open, beating Alejandro Tabilo and Jaume Munar before falling to defending champion Cameron Norrie. A strong showing at the Chile Open pushed him into the top 70 for the first time.
At Indian Wells, Seyboth Wild recorded his first Masters 1000 main draw wins, defeating J.J. Wolf and Karen Khachanov in straight sets. He continued his momentum at the Miami Open, where he beat Taylor Fritz to reach a second consecutive Masters third round. Later, at the Madrid Masters, he defeated Roman Safiullin and Lorenzo Musetti before losing to Carlos Alcaraz.
At the Rome Masters, Seyboth Wild reached a career-high No. 58 in the world. In November 2024, he underwent surgery to remove three abdominal hernias and a cyst in his shoulder, ending his season.
Driving Style and Strengths
Seyboth Wild is a clay-court specialist whose game is built around a powerful down-the-line forehand. He moves comfortably on slower surfaces, where his heavy topspin and patience in long rallies pay off. His idol, Rafael Nadal, has shaped both his competitive fire and his preferred style of play.
Notable Events and Milestones
Among his signature moments, Seyboth Wild’s five-set upset of Daniil Medvedev at the 2023 French Open stands out as his career-defining win. He also became the youngest Brazilian to win an ATP title at the 2020 Chile Open and the first player born in the 2000s to capture an ATP Tour trophy.
Thiago Seyboth Wild Career Wins
Across his professional career, Thiago Seyboth Wild has compiled a steady collection of titles on the Challenger circuit alongside a single ATP Tour title. His breakthrough came at the 2020 Chile Open, and he added multiple Challenger trophies in 2023.
ATP Tour Highlights
Seyboth Wild’s lone ATP Tour singles title came at the 2020 Chile Open, where he defeated Casper Ruud in the final at the age of 19. He has also reached one ATP doubles final as a runner-up and qualified for the main draws of all four Grand Slams.
Other Wins and Performances
On the Challenger circuit, Seyboth Wild has captured titles in Guayaquil, Viña del Mar, Buenos Aires, Como, and Genoa. He has also reached Challenger finals in Santiago and Aix-en-Provence, building the foundation that carried him back into the ATP top 100.
Thiago Seyboth Wild Family
Family Background and Racing Lineage
Seyboth Wild comes from a tennis-driven family. His father, Claudio Ricardo Wild, manages several tennis academies in Brazil and introduced him to the sport at the age of four. His mother, Gisela Christine Seyboth, is a dentist, and his sister Luana also shares the family’s close ties to tennis.
Personal Life
Seyboth Wild currently resides in Buenos Aires, Argentina, where he trains and competes on the clay-court swing. Outside of tennis, he is an avid football fan and a lifelong supporter of Grêmio, with defender Pedro Geromel listed as his favorite player.
2025 Season Performance
Coming off abdominal and shoulder surgery in November 2024, Thiago Seyboth Wild entered 2025 focused on rebuilding his match fitness and reclaiming his career-high ranking inside the top 60. His early-season schedule emphasized clay-court Challenger events and selective ATP appearances to ease his return to competitive tennis.
With his powerful forehand and clay-court pedigree, Seyboth Wild is targeting a return to form at ATP 250 and 500 events, where he has previously enjoyed his strongest results. A consistent run through the South American clay swing could push him back toward his 2024 career high.
Looking ahead, Seyboth Wild’s goals for 2025 include a deeper run at Roland Garros and another strong showing at the Masters 1000 level. With his ranking protected and his health restored, he remains one of Brazil’s most promising ATP competitors.