ITAJAI/STARNBERG, January 22, 2026
Thiago Monteiro became the first Brazilian to book a place in the quarterfinals of the Itajaí Open ATP Challenger 75 tournament offering a total prize purse of $107,000 and 75 ATP Ranking points to the champion.
Playing on the clay courts of the Itamirim Clube de Campo, the 30-year-old from Ceará delivered a solid and controlled performance to defeat Franco Agamenone, the Italian champion from last week’s AAT Challenger in Buenos Aires, in straight sets, 6-2, 6-4.
Monteiro’s next opponent will be second-seeded Paraguayan Adolfo Daniel Vallejo who beat Brazilian wild card entry Eduardo Ribeiro 6-3, 6-2. It will be the pair’s first meeting. Speaking about his preparation for unfamiliar opponents, he explained that he and his team leave nothing to chance: watching matches, using detailed statistical software, and analyzing video footage to be fully prepared. Monteiro also reflected positively on his current level of play and on the benefit of having a few days without matches, as he will return to the court on Friday.
Marcondes masters Dellien
Another Brazilian wild card, Igor Marcondes, caused the upset of the day. The 28-year-old Caraguatatuba native knocked out top seed Hugo Dellien of Bolivia 6-4, 6-2. The World No. 402 sent down five aces and won 67 per cent of his first-service points to advance to the quarterfinals in one hour and 27 minutes.
Up next for Marcondes will be Thiago Seyboth Wild, who edged out Argentina’s Genaro Olivieri 7-5, 6-2 in one hour and 43 minutes.
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