Stadium: Court 4 Round: 62 Ground: Hardcourt outdoor
| ITF M15 Sharm El Sheikh | 2023/10/08 07:00 | Theertha Shashank Macherla v Lukas Janousek | 6-7,2-6 |
| ITF M25 Jablonec Nad Nisou | 2023/08/28 09:00 | Lukas Janousek v Patrik Homola | 2-6,6-7 |
| ITF M15 Trier | 2023/08/21 09:30 | Freek Van Donselaar v Lukas Janousek | 6-4,7-6 |
| ITF M15 Uslar | 2023/07/17 10:30 | John Sperle v Lukas Janousek | 6-0,6-4 |
| ITF M15 Kamen | 2023/06/26 14:00 | Ruben Hartig v Lukas Janousek | 6-4,6-1 |
| ITF M15 Kamen | 2023/06/26 10:00 | Lukas Janousek v Luca Hesselmann | 6-4,6-3 |
| ITF M25 Jablonec Nad Nisou | 2023/05/30 09:30 | Matthew William Donald v Lukas Janousek | 6-0,6-2 |
| ITF M25 Jablonec Nad Nisou | 2023/05/29 10:30 | Lukas Janousek v Filip Apltauer | 7-5,2-6,12-10 |
| ITF M25 Santa Margherita | 2023/10/08 08:30 | Leonardo Borrelli v Marco Dessi | 4-6,3-6 |
| ITF M15 Pescara | 2023/08/06 12:00 | Gianluca Di Nicola v Leonardo Borrelli | 6-2,6-3 |
| ITF M15 Bergamo | 2023/06/25 16:55 | Baran Soyler v Leonardo Borrelli | 7-6,7-5 |
| Challenger Bergamo | 2022/10/30 15:25 | Andrea Vavassori v Leonardo Borrelli | 6-1,6-1 |