Curitiba challenger · ATP
Curitiba challenger 2023
ChallengerClayCuritiba, Brazil22 October – 29 October 2023Prize money: 80,000 USD49 matchesAltitude: 922 mCourt: Fast
Champion Hugo Dellien · Final: 6-2 6-3
Final rounds
| Final | Hugo Dellien vs Oliver Crawford | 7-6(6) 4-6 7-6(1) |
| Semifinal | Hugo Dellien vs Guido Andreozzi | 6-7(5) 6-2 6-3 |
| Semifinal | Oliver Crawford vs Luciano Darderi | 6-2 6-3 |
| Quarterfinal | Oliver Crawford vs Dalibor Svrcina | 7-6(6) 2-6 6-1 |
| Quarterfinal | Luciano Darderi vs Orlando Luz | 6-4 6-0 |
| Quarterfinal | Guido Andreozzi vs Roman Andres Burruchaga | 6-4 7-5 |
| Quarterfinal | Hugo Dellien vs Santiago Rodriguez Taverna | 6-2 6-3 |
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