João Fonseca, a 19-year-old Brazilian tennis player, debuted with a victory in the main draw of the US Open 2025 in New York, defeating Serbian Miomir Kecmanovic 2 sets to 1, with scores of 7/6, 7/6, and 6/3, on Monday, August 25. The match, played at Flushing Meadows, marked Fonseca’s first appearance in the tournament as a professional. Despite facing a health issue during the third set, the Brazilian showed resilience, overcoming his opponent with aggressive play and precise serves. The victory, secured in about two and a half hours, advances Fonseca to the second round of the Grand Slam, where he aims to establish his name in the global tennis circuit. The match was closely contested, with tiebreaks in the first two sets, but the Brazilian’s determination was decisive for the outcome.
Fonseca’s debut at the US Open 2025 was a milestone for Brazilian tennis. He became the first Brazilian to win in the main draw of the tournament since Thiago Monteiro in 2020. The crowd in New York, with many Brazilians in the stands, cheered the young player’s performance, who displayed maturity even in moments of physical difficulty.
- Match highlights: Fonseca won 75% of points on his first serve.
- Key moments: Two tiebreaks won by the Brazilian in the opening sets.
- Resilience: Despite health issues, Fonseca closed out the match in the third set.
- Crowd support: Brazilians in New York rallied behind the player.
Fonseca’s technical performance in the debut
Fonseca delivered a solid performance against Kecmanovic, with 14 aces and a 75% success rate on his first serve, compared to 56% for his opponent. The Brazilian converted 4 out of 9 break points, while the Serbian capitalized on 2 out of 3 opportunities. The match featured intense rallies, with Fonseca standing out for his powerful forehand and ability to vary plays, such as drop shots and parallel shots. In the third set, despite pauses for medical attention, the Rio-born player stayed focused, sealing the match with two strong forehands and capitalizing on a double fault by Kecmanovic.
The Brazilian scored 119 points overall, compared to 105 by his opponent, and won 20 games against Kecmanovic’s 15. His efficiency in serves and ability to pressure the opponent in crucial moments were key. Despite six double faults, Fonseca compensated with consistency in service points, winning 75% of them.
- Aces: Fonseca hit 14, compared to Kecmanovic’s 6.
- Break points: Brazilian converted 4 out of 9 chances.
- Service points: Fonseca won 75%, against 74% for the Serbian.
- Rallies: Brazilian dominated with precise forehands and drop shots.
Crowd reaction and tournament impact
The Brazilian crowd at Flushing Meadows made a difference in the match. Cheers erupted at every key point, especially during the tiebreaks, where Fonseca was more aggressive. The crowd’s energy helped the player overcome his health issue in the third set, when he briefly left the court. His connection with the stands was evident, with Fonseca waving and thanking the fans after the win.
The debut victory positions Fonseca as a rising star in the US Open 2025. He now faces a tougher opponent in the second round, with the potential to draw even more attention to Brazilian tennis. The young player’s performance also strengthens the new generation of the sport in Brazil, which seeks to reclaim space on the international stage after years of limited representation in Grand Slams.
João Fonseca’s journey to the US Open
João Fonseca, born in Rio de Janeiro, first gained attention in the junior circuit, where he was the world number 1 in 2023. His transition to the professional level has been marked by notable results, such as winning Challenger tournaments and entering the ATP top 100 before turning 20. Participating in the US Open 2025 is a milestone in his career, being his first main draw appearance in a Grand Slam as a professional.
Leading up to the tournament, Fonseca competed in hard-court preparatory events, such as the ATP 250 in Winston-Salem, where he reached the quarterfinals. His preparation included intense training focused on serves and physical endurance, aspects reflected in his match against Kecmanovic. The Brazilian also worked with sports psychologists to handle the pressure of major tournaments.
- ATP ranking: Fonseca is close to the top 80 before the US Open.
- Preparatory tournaments: Quarterfinals in Winston-Salem.
- Junior career: Former world number 1 in 2023.
- Playing style: Powerful forehand and aggressive serves.
Comparison with Kecmanovic in the match
Miomir Kecmanovic, 26, is an experienced player with a career-high in the ATP top 30. Despite his consistency, the Serbian struggled against Fonseca’s aggression. The Brazilian capitalized on his opponent’s mistakes, such as six double faults and a lower second-serve success rate (49%). Kecmanovic relied on baseline play, but couldn’t counter Fonseca’s energy in decisive moments.
The age and experience gap between the two players was balanced by the Brazilian’s intensity. While Kecmanovic used open serves and long rallies, Fonseca varied with drop shots and parallel forehands, unsettling the Serbian. The third set was the most dominant for the Brazilian, who managed the lead despite physical challenges.
Fonseca’s next steps in the tournament
With the win, João Fonseca advances to the second round of the US Open 2025, where he will face a new challenge. His opponent will be determined after the first round concludes, but expectations are that the Brazilian will meet a seeded player. The tournament campaign could boost his ATP ranking and attract sponsors and greater visibility.
Fonseca draws inspiration from Brazilian tennis legends like Gustavo Kuerten, a three-time Roland Garros champion. His goal is to become a regular name in Grand Slams, bringing Brazilian tennis back to prominence. The next match will test his endurance and strategy, especially after the physical toll of the debut.
- Opponent: To be determined in the second round.
- Ranking: Victory could push Fonseca to the ATP top 70.
- Inspiration: Guga Kuerten as a reference.
- Goal: Establish himself in Grand Slams.
Curiosities about Fonseca’s debut
João Fonseca’s participation in the US Open 2025 brought memorable moments beyond the result. During the match, the Brazilian showed sportsmanship by apologizing after a ball hit a spectator. His interaction with the crowd, including waves and thanks, won over fans. The match was also broadcast live in Brazil, generating significant engagement on social media.
- Sportsmanship: Fonseca apologized after a ball hit a spectator.
- Crowd: Brazilians in New York stood out.
- Broadcast: Match aired live in Brazil. Social media: Strong support from online fans.
