Stadium: Store 2 Round: 25 Ground: Clay
| ITF M15 Celje | 2023/06/27 07:00 | Gian Marco Ortenzi v Mark Wallner | 6-4,6-4 |
| ITF M15 Celje | 2023/06/26 11:25 | Gian Marco Ortenzi v Jeremy Schifris | 6-2,6-2 |
| ITF M25 Reggio Emilia | 2023/05/17 10:00 | Gian Marco Ortenzi v Kai Wehnelt | 0-6,2-6 |
| ITF M25 Reggio Emilia | 2023/05/15 15:00 | Gian Marco Ortenzi v Peter Buldorini | 6-7,4-6 |
| ITF M25 Reggio Emilia | 2023/05/15 08:00 | Gian Marco Ortenzi v Enrico Baldisserri | 6-3,6-2 |
| ITF M15 Sharm El Sheikh | 2023/03/07 09:15 | Joshua Goodger v Gian Marco Ortenzi | 6-3,6-2 |
| ITF M15 Sharm El Sheikh | 2023/03/06 08:00 | Volodymyr Uzhylovskyi v Gian Marco Ortenzi | 4-6,6-7 |
| ITF M15 Sharm El Sheikh | 2023/03/05 10:00 | Pavlo Rezoglazov v Gian Marco Ortenzi | 0-6,2-6 |
| ITF M15 Celje | 2023/06/27 07:00 | Jaka Protic Zakelj v Jakub Katuch | 3-6,6-7 |
| ITF M15 Celje | 2023/06/26 08:00 | Jakub Katuch v Maximilian Homberg | 6-3,6-1 |
| ITF M25 Poprad | 2023/06/18 11:00 | Jakub Katuch v Norbert Marosik | 6-7,1-6 |
| ITF M15 Nyiregyhaza | 2023/06/05 09:30 | Leonid Sheyngezikht v Jakub Katuch | 6-4,7-6 |
| ITF M15 Antalya | 2023/05/16 09:30 | Ivan Nedelko v Jakub Katuch | 6-1,6-4 |
| ITF M15 Antalya | 2023/05/15 11:45 | Lucas Obeid v Jakub Katuch | 4-6,0-6 |
| ITF M15 Antalya | 2023/05/14 12:00 | Siavash Shirdel v Jakub Katuch | 1-6,0-6 |
| ITF M15 Monastir | 2023/04/24 08:00 | Jakub Katuch v Max Wiskandt | 3-6,5-7 |