Joao Fonseca Beats Stefanos Tsitsipas in Montreal

By the Editorial Team · Thursday, August 6, 2026

Joao Fonseca defeated former finalist Stefanos Tsitsipas in straight sets to reach the third round of the National Bank Open in Montreal. By doing so, Fonseca became the first Brazilian since Gustavo Kuerten to advance this far at the Canadian ATP Masters 1000, signaling his emergence as a promising young player on the tour.

Joao Fonseca advanced to the third round of the National Bank Open presented by Rogers in Montreal on Wednesday, defeating former finalist Stefanos Tsitsipas in straight sets, 7-6(3), 7-5. This win marked Fonseca’s first match at the tour level since his third-round loss to Roman Safiullin at Wimbledon last month.

The 19-year-old Brazilian appeared poised for a smoother finish before losing his serve while attempting to close out the match at 5-4 in the second set. Nonetheless, Fonseca responded strongly by capturing eight of the following nine points to secure the victory.

By reaching the third round, Fonseca became the first Brazilian to achieve this milestone at the Canadian ATP Masters 1000 event since Gustavo Kuerten, a former ATP No. 1 and member of the ATP Club. Fonseca’s performance in Montreal highlights his potential as a rising talent on the ATP Tour.

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