Heilbronn challenger · ATP
Heilbronn challenger 2023
ChallengerClayHeilbronn, Germany4 June – 11 June 2023Prize money: 145,000 EUR49 matchesAltitude: 169 mCourt: Medium-fast
Champion Matteo Arnaldi · Final: 6-4 5-7 7-5
Final rounds
| Final | Matteo Arnaldi vs Facundo Diaz Acosta | 7-6(4) 6-1 |
| Semifinal | Matteo Arnaldi vs Pedro Martinez | 7-6(4) 7-5 |
| Semifinal | Facundo Diaz Acosta vs Rudolf Molleker | 7-5 6-3 |
| Quarterfinal | Matteo Arnaldi vs Jaume Munar | 1-6 6-4 7-5 |
| Quarterfinal | Pedro Martinez vs Pavel Kotov | 6-4 4-6 7-6(3) |
| Quarterfinal | Facundo Diaz Acosta vs Akira Santillan | 7-5 6-3 |
| Quarterfinal | Rudolf Molleker vs Daniel Elahi Galan | 6-4 5-7 7-5 |
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