Joao Fonseca is set to make his second appearance at the Miami Open presented by Itau. Read all about the 19-year-old Brazilian's results, records and statistics entering the 2026 edition of the ATP Masters 1000 event here.
Fonseca made his debut in Miami last year. The Brazilian defeated Learner Tien and Ugo Humbert and then lost to Alex de Minaur in three sets. Read more about his clash with De Minaur here.
Fonseca advanced to the third round in 2025, scoring two victories.
Fonseca has competed in the main draw on nine occassions at Masters 1000 level. His best result came last week at the BNP Paribas Open in Indian Wells, where he reached the fourth round. The 19-year-old defeated Tommy Paul, Karen Khachanov and Raphael Collignon in California.
| Tournament | Result |
| BNP Paribas Open (Indian Wells) | R4, l. to Jannik Sinner |
| Rio Open presented by Claro | R2, l. to Ignacio Buse |
| IEB+ Argentina Open (Buenos Aires) | R1 l. to Alejandro Tabilo |
| Australian Open | R1 l. to Eliot Spizzirri |
| Rolex Paris Masters | R2 l. to Karen Khachanov |
Fonseca holds a 25-12 win-loss record on hard courts, according to the Infosys ATP Win/Loss Index.
Fonseca opens his Miami campaign against Fabian Marozsan and then could play Carlos Alcaraz in the second round, in what would be a first Lexus ATP Head2Head meeting between the two. Fonseca faced Jannik Sinner for the first time last week in Indian Wells, losing 6-7(6), 6-7(4).
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