Stadium: Court 9 Round: 45 Ground: Hardcourt indoor
| Challenger - Heilbronn | 2023/06/04 15:25 | Daniel Dutra Da Silva v Sebastian Fanselow | 4-6,6-7 |
| Challenger - Vicenza | 2023/05/28 12:00 | Lorenzo Giustino v Daniel Dutra Da Silva | 6-4,4-6,6-1 |
| Challenger - Skopje | 2023/05/22 14:10 | Gerard Campana Lee v Daniel Dutra Da Silva | 6-3,6-2 |
| Challenger - Coquimbo | 2023/05/02 17:40 | Daniel Dutra Da Silva v Thiago Seyboth Wild | 1-6,2-6 |
| Challenger - Buenos Aires | 2023/04/24 16:25 | Andrea Collarini v Daniel Dutra Da Silva | 6-4,6-2 |
| Challenger - Florianopolis | 2023/04/17 16:00 | Daniel Dutra Da Silva v Thiago Seyboth Wild | 3-6,5-7 |
| Challenger - Madrid | 2023/04/10 11:10 | Daniel Dutra Da Silva v Daniel Rincon | 6-4,1-6,0-6 |
| Challenger - Madrid | 2023/04/09 16:10 | Daniel Dutra Da Silva v Orlando Luz | 4-6,6-2,7-5 |
| ITF - M25 Kursumlijska Banja | 2023/06/08 06:55 | David Pichler v Sebastian Prechtel | 2-6,4-6 |
| ITF - M25 Kursumlijska Banja | 2023/06/07 16:30 | David Pichler v Ognjen Milic | 6-1,6-3 |
| ITF - M25 Rome | 2023/05/30 08:00 | David Pichler v Federico Iannaccone | 3-6,6-3,5-7 |
| ITF - M15 Brcko | 2023/05/24 13:35 | Viacheslav Bielinskyi v David Pichler | 3-6,7-5,6-2 |
| Challenger - Torino | 2023/05/14 10:00 | Andrea Gola v David Pichler | 6-4,6-4 |
| Challenger - Mauthausen | 2023/05/08 10:05 | David Pichler v Marius Copil | 5-7,1-6 |
| Challenger - Mauthausen | 2023/05/07 11:35 | Henri Squire v David Pichler | 5-7,4-6 |
| Challenger - Tallahassee | 2023/04/17 16:00 | Federico Agustin Gomez v David Pichler | 6-3,6-3 |