Fonseca Chirps at Djokovic's Rule Change
Joao Fonseca has never been one to hold back, and the 19-year-old Brazilian again showed his outspoken side this week in Montreal. When asked about Novak Djokovic's recent proposal to shorten sets to four games — with the possible abolition of the advantage rule — Fonseca smiled and delivered a playful jab.
"Well, I had a good time playing 4 games, 4-game sets in the Next Gen. So I can't complain about it," Fonseca said in his pre-match press conference at the National Bank Open. "But I think he's saying that because of his physique, you know. He's getting older, that's what I can say."
The comment, which quickly spread across social media, captures the rising star's confidence as he continues to make waves on the ATP Tour. It also highlights a generational divide in tennis, with younger players like Fonseca and Ben Shelton pushing back against changes proposed by the sport's veterans.
Montreal Breakthrough and a French Open Rematch
Fonseca's playful dig came after a hard-fought first win in Montreal. On Wednesday, he edged Stefanos Tsitsipas 7-6(6), 7-5 to reach the third round of the Canadian Masters 1000 event. It was his first appearance at the tournament, and he handled the occasion with poise, saving his best tennis for the key moments.
"He's a Grand Slam finalist, so to beat him here is special," Fonseca said after the match. The win sets up a much-anticipated third-round clash with Casper Ruud, a rematch of their French Open encounter earlier this year — a match that announced Fonseca's arrival on the biggest stage.
At Roland-Garros, Fonseca came from two sets down to beat Novak Djokovic in a five-set thriller, a result that made headlines worldwide. He followed that with a run to his first Grand Slam quarterfinal, where he eventually fell to Ruud in four sets. Now, on hard courts in Montreal, the rematch offers Fonseca a chance to avenge that loss against the Norwegian.
Ruud, meanwhile, has struggled since the clay season, with his second-round win over Juan Manuel Cerundolo (6-1, 6-2) being just his second tour-level victory since the start of June. The 27-year-old is 8-7 on hard courts this season and will be keen to prove he can still compete with the sport's rising talents.
"He's playing with a lot of confidence," Ruud acknowledged. "I'll need to be at my best to beat him."
A Season of Breakthroughs and Setbacks
Fonseca's 2026 campaign has been a rollercoaster. He missed the Australian Open warm-up events due to a back injury, but still managed to qualify for the Grand Slam in Melbourne, where he knocked out Andrey Rublev in straight sets — a performance that featured 51 winners and left the tennis world buzzing.
But injuries have plagued him since. A right shoulder issue derailed his grass-court swing, and he has been managing his workload carefully in the lead-up to the US Open. Despite these setbacks, the Brazilian has continued to climb the rankings, and pundits increasingly see him as the player most likely to break the Jannik Sinner-Carlos Alcaraz duopoly at the top of the men's game.
Fonseca's junior credentials were impeccable — he reached No. 1 in the world and won the 2023 US Open junior title over Learner Tien. He nearly went to college at the University of Virginia before turning pro, a decision that has clearly paid off. His first ATP tournament was in Rio de Janeiro in 2023, and he reached the quarterfinals there in 2024 in front of passionate home fans.
The Next Gen Finals, where he trialled the four-game set format, confirmed his status as a future star. He won the title there, beating Tien twice during a run of 14 consecutive matches that spanned the end of 2024 and the start of this season.
The Broader Debate: Tradition vs. Entertainment
Djokovic's proposal is part of a wider conversation about how to make tennis more appealing to modern audiences. The sport's traditional five-set format, especially at Grand Slams, has been criticized for being too long and difficult to schedule. Djokovic argues that matches lasting no more than two hours would be better for everyone.
Fonseca's response, though playful, touches on a real tension: younger players are often more open to change, while veterans may be seen as protecting the status quo that benefited them. Ben Shelton, another young star, has also weighed in on the debate, and reactions have been mixed across the tour.
The Next Gen Finals has already experimented with shorter sets, and the feedback from players like Fonseca has been largely positive. But whether the ATP will adopt these changes across the main tour remains uncertain. For now, Fonseca is focused on his own performance in Montreal — but he's not afraid to add his voice to the conversation.
As he prepares to face Ruud, Fonseca will be looking to continue his momentum on North American hard courts, where he has already made a significant impact. A deep run in Montreal would not only boost his confidence ahead of the US Open but also reinforce his reputation as one of the sport's most exciting young talents.
His match against Ruud is scheduled for Thursday, with the winner advancing to the fourth round. This clash could also be a preview of future battles at the top of the game. Fonseca's journey — from mini tennis in Brazil to beating Djokovic and Tsitsipas — is just beginning, and he is clearly ready for the spotlight.
"I'm just enjoying every moment," Fonseca said. "But I'm also here to win."
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