J. Fonseca - ATP #63 (2025-04-14)
| atpworldtour.com | ATP | Country |  Brazil |
| Wikipedia | Eng / Fr | Birth | - |
| Career best ranking | 59 - 2025-03-31 | Résidence |  Unknown |
| Height | - | ||
| Weight | - |
1 titles - 0 finals (winning ratio : 100.0%)
| Category | Hard (out.) | Hard (in.) | Clay | Grass | Total |
|---|---|---|---|---|---|
| 250 | 0 | 0 | 1 | 0 | 1 |
| # | Date | Age | Categ | Tournament | Conditions | Opponent | Score | |
|---|---|---|---|---|---|---|---|---|
| 1 |  | 2025-02-16 | - | 250 |  Buenos Aires Open | Clay | Francisco Cerundolo | - |
| (1) Country | Total |
|---|---|
| - Argentina | 1 |
LLTL
ATP
WTA/Double
Yearly
Race
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RookiesLeaderotron
Mega Patate
Big Lose
Clay 
Grass 
Hard indoor 
Hard outdoor 
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