Brazil, Next Gen Finals, Australian Open: Everything you always wanted to know about Joao Fonseca (but never had time to find out) – updated after Argentina Open 2025 triumph
The Brazilian teen is a former junior world No 1 and Grand Slam winner. He is now making his ascent to the pro ranks
Joao Fonseca at the 2023 US Open
Image Credit: Charles Krupa/AP/SIPA
Who is Joao Fonseca?
Joao Fonseca is professional tennis player who competes on the ATP Tour, representing Brazil.
How old is Joao Fonseca?
Fonseca was born on August 21, 2006, which makes him 18 years old as of February 2025.
what did joao fonseca achieve at the 2025 argentina open?
Fonseca clinched his first tour-level title at the 2025 Argentina Open. He defeated Francisco Cerundolo 6-4, 7-6 (1) in the final to take the trophy home.
The victory is the 18-year-old’s maiden title on the ATP Tour, and makes him the youngest titlist on clay since Carlos Alcaraz won the Umag Open in 2021.
“Unbelievable week,” Fonseca said after the final.
“What I’m living is just unbelievable. My real dream is to play tennis. Of course I want to be No 1 and win Slams. But my dream is just to play tennis.”
En route to the final, he overcame No 8 seed Tomas Martin Etcheverry (6-3, 6-3), Federico Coria (2-6, 6-4, 6-2), Mariano Navone (3-6, 6-4, 7-5), and Serbia Laslo Djere (7-6 (3), 5-7, 6-1).
What did Joao Fonseca do at the 2025 Australian Open?
Fonseca played his first Grand Slam main draw match at the 2025 Australian Open after notching up three wins in the qualifying rounds.
In the first round of the Melbourne Major, he stunned No. 9 seed Andrey Rublev (7-6 (1), 6-3, 7-6 (5)) before losing to Italy’s Lorenzo Sonego (6-7 (6), 6-3, 6-1, 3-6, 6-3).
Did Joao Fonseca QUALIFY FOR the 2024 Next Gen ATP Finals?
Yes, and not only that, Joao Fonseca won the 2024 Next Gen ATP Finals title, despite having been the last man to qualify. At the age of 18 years and three months, he was the second youngest man ever to win the tournament, behind Jannik Sinner, who was 18 years and two months when he won it in 2019.
Fonseca won all his matches in the Blue Group and then beat Luca van Assche of France in straight sets to reach the final, where he beat American Learner Tien in what was a rematch of their group-stage match.
Fonseca became the lowest-ranked player to win the title and the first Brazilian to do so.
This formed the first part of an 14-match winning streak, which saw him win a Challenger title at the start of the 2025 season, before qualifying for the Australian Open, where he beat Andrey Rublev in straight sets to record his first top-10 win on his debut appearance in the main draw of a Grand Slam.
Was Fonseca a good junior?
Yes. Fonseca was the world’s top-ranked junior male at the end of the 2023 season. He won the 2023 US Open boys singles title, beating Learner Tien in the final. He also reached the final of the 2023 Australian Open boys’ doubles event with Alexander Blockx.
When did Fonseca turn pro?
After his results in the LatAm Golden Swing, which included a quarter-final run at the Rio Open, Fonseca announced his decision to turn pro.
“It was an incredibly tough decision for me and my family as I have been dreaming about living a college life in Charlottesville, playing the sport that l love with a wonderful team and coach, but, in the last months, professional tennis called me in a way that I simply couldn’t say no,” Fonseca, who was committed to play college tennis at the University of Virginia, wrote in a post on social media.
What did Fonseca accomplish at the 2024 Rio Open?
Playing in front of his home crowd, 17-year-old Joao Fonseca became the second youngest player to reach the quarter-finals of an ATP 500 Series event (the youngest being Alexander Zverev who made the last eight in Hamburg in 2014 as a 17-year-old).
The Brazilian defeated Frenchman Arthur Fils 6-0, 6-4 in the first round to become the first player born in 2006 or later to win an ATP Tour main draw match. The win also marked his first ATP Tour main draw victory and his first over a top 50 player.
He followed that with a 6-4, 6-4 win over Cristian Garin, of Chile, to move into the last eight.
Who is Joao Fonseca’s coach?
The Brazilian is currently coached by Guilherme Teixeira.
How tall is Joao Fonseca?
According to the official ATP website, Fonseca is 1.85m or 6ft 1 inch tall.
How much prize money has he won in his career?
As of February 17, 2025, Fonseca has won $1,070,146 in prize money. You can find his updated prize money stats on his ATP Tour profile page.
What is Fonseca’s highest ranking?
The Brazilian’s highest ranking is world No 68, which he first achieved on February 17, 2025. You can find his current ranking and rankings history on his ATP Tour profile page.
What racquet does Joao Fonseca play with?
The Brazilian plays with Yonex’s VCORE 98.
Who are joao Fonseca’s parents?
Fonseca’s mother’s name is Roberta and his father is Christiano—CEO and founder of IP Capital Partners in Brazil.
IS Fonseca ACTIVE ON SOCIAL MEDIA?
Fonseca is present on social networks. On Instagram, he has more than 717,000 followers as of February 1, 2025.
