Stadium: Court 1 Round: 25 Ground: Clay
| ITF M25 Reggio Emilia | 2023/05/19 09:00 | Giorgio Tabacco v Valentin Vacherot | 6-7,6-2,7-6 |
| ITF M25 Reggio Emilia | 2023/05/18 11:30 | Marcello Serafini v Valentin Vacherot | 2-6,6-3,6-7 |
| ITF M25 Reggio Emilia | 2023/05/17 11:05 | Juan Pablo Paz v Valentin Vacherot | 5-7,1-6 |
| ITF M25 Sabadell | 2023/05/05 12:00 | Martin Landaluce v Valentin Vacherot | 4-6,7-5,0-6 |
| ITF M25 Sabadell | 2023/05/04 09:00 | Damien Wenger v Valentin Vacherot | 5-7,6-2,6-7 |
| ITF M25 Sabadell | 2023/05/03 07:55 | Jaime Faria v Valentin Vacherot | 4-6,3-6 |
| Challenger Rome | 2023/04/25 13:15 | Max Houkes v Valentin Vacherot | 4-6,6-3,6-4 |
| Challenger Rome | 2023/04/24 08:00 | Ugo Blanchet v Valentin Vacherot | 6-4,3-6,4-6 |
| Challenger Prague Qual | 2023/05/07 12:55 | Vitaliy Sachko v Johannes Haerteis | 5-7,6-2,6-1 |
| ITF M25 Sanxenxo | 2023/04/28 13:00 | Robert Strombachs v Johannes Haerteis | 7-6,6-4 |
| ITF M25 Sanxenxo | 2023/04/27 12:30 | Johannes Haerteis v Tao Mu | 6-4,6-1 |
| ITF M25 Sanxenxo | 2023/04/26 10:00 | Johannes Haerteis v Grigory Kuklin | 6-1,6-0 |
| ITF M15 Antalya | 2023/04/21 07:30 | Dragos Nicolae Madaras v Johannes Haerteis | 6-2,6-2 |
| ITF M15 Antalya | 2023/04/20 07:00 | Dan Alexandru Tomescu v Johannes Haerteis | 1-6,6-4,2-6 |
| ITF M15 Antalya | 2023/04/18 09:50 | Johannes Haerteis v Arthur Reymond | 6-4,6-2 |
| ITF M15 Antalya | 2023/04/12 07:00 | Daniele Capecchi v Johannes Haerteis | 4-6,6-3,6-2 |