Joao Fonseca’s start to the 2026 season has been tough, laden with early exits and injury setbacks.
However, as he headed to Rio for his home tournament, there was hope that he might be able to finally ignite his campaign in front of his adoring fans.
Sadly, even that could not inspire him, as the 19-year-old exited in just the second round of the Rio Open singles event.
His time in Brazil was not over with that defeat though, as he still had the doubles to play, having partnered with veteran Marcelo Melo.
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Few would have predicted this unlikely pairing to storm to the title…
Joao Fonseca’s Rio Open promise
It was a fairytale run for the Brazilian duo, as they beat the number two seed on their way to the final.
However, having dropped the opening set, they seemed destined to fall at the final hurdle.
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Joao Fonseca was not to be denied though, and he rallied alongside Melo to take the second set and force a deciding tiebreak for the title.
There, they played some of their best tennis, snatching the trophy from the Dutch-German pairing they faced.
Speaking afterwards on court, Fonseca was in tears as he claimed: “It means a lot. Sharing the court with Marcelo, what a pleasure, and it was a special week.
“I will win the singles trophy one day.”
Melo then noted: “To be two Brazilians here in Rio and Joao is from here, makes it even more special. Since the first match we said it was a special week for us, a special opportunity and we are very happy.”
This could be a crucial confidence boost for Joao Fonseca after a tough start to 2026
Such a result, even in doubles, could prove crucial for Fonseca after such a tough start to 2026.
After all, whilst fitness has been a huge concern for him, it does feel like the teenage sensation is severely lacking confidence too.
That is, despite Fonseca receiving public backing from Serena Williams’ former coach to turn his form around.
The world number 35 started his year by withdrawing from Brisbane, which already indicated his physical frailties.

Then, he admitted after his first-round exit at the Australian Open that he had not been fit enough to compete at an event of this magnitude.
Fonseca failed to defend his title in Buenos Aires and then lost early again in Rio.
He desperately needs something to turn the tide, and a title of any variety, whether it be singles or doubles, could certainly provide that.
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