Antofagasta challenger · ATP
Antofagasta challenger 2025
ChallengerClayAntofagasta, Chile28 September – 5 October 2025Prize money: 100,000 USD49 matchesAltitude: 15 mCourt: Slow
Champion Cristian Garin · Final: 6-2 6-2
Final rounds
| Final | Cristian Garin vs Facundo Diaz Acosta | 2-6 6-3 6-3 |
| Semifinal | Cristian Garin vs Adolfo Daniel Vallejo | 7-6(5) 6-2 |
| Semifinal | Facundo Diaz Acosta vs Joao Lucas Reis Da Silva | 4-6 6-1 6-4 |
| Quarterfinal | Adolfo Daniel Vallejo vs Marcelo Tomas Barrios Vera | 6-3 6-2 |
| Quarterfinal | Cristian Garin vs Hady Habib | 7-6(11) 1-6 6-3 |
| Quarterfinal | Facundo Diaz Acosta vs Alvaro Guillen Meza | 6-7(4) 6-2 6-2 |
| Quarterfinal | Joao Lucas Reis Da Silva vs Federico Agustin Gomez | 6-2 6-2 |
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