Stadium: Court 2 Round: 54 Ground: Hardcourt indoor
| ITF M25 Nussloch | 2023/01/22 08:30 | Noah Thurner v Lukas Janousek | 7-5,6-2 |
| ITF M15 Antalya | 2022/10/16 07:00 | Lukas Janousek v Benedikt Henning | 0-6,1-6 |
| ITF M15 Sharm El Sheikh | 2022/10/09 11:30 | Lukas Janousek v Ammar Faleh Alhogbani | 2-6,7-6,5-10 |
| ITF M15 Prostejov | 2022/09/26 09:30 | Tomas Jirousek v Lukas Janousek | 6-1,6-0 |
| ITF M15 Prostejov | 2022/09/25 10:30 | Lukas Janousek v Radovan Michalik | 6-4,6-1 |
| ITF M25 Poznan | 2022/08/22 19:00 | Goran Zgola v Lukas Janousek | 6-2,6-0 |
| ITF M25 Poznan | 2022/08/22 14:00 | Lukas Janousek v Przemyslaw Michocki | 6-3,6-3 |
| ITF M25 Poznan | 2022/08/21 13:00 | Dariusz Kuczynski v Lukas Janousek | 0-6,2-6 |
| ITF M15 Rovinj | 2023/03/12 09:00 | Obrad Markovski v Piotr Kusiewicz | 6-3,6-2 |
| ITF M15 Porec | 2023/03/05 11:30 | Tim Heger v Piotr Kusiewicz | 6-3,7-5 |
| ITF M25 Doha | 2023/01/15 15:05 | Arslanbek Aitkulov v Piotr Kusiewicz | 6-3,6-2 |
| ITF M15 Doha | 2023/01/12 13:20 | Piotr Kusiewicz v Yanki Erel | 1-6,0-6 |
| ITF M15 Doha | 2023/01/11 17:50 | Piotr Kusiewicz v Mashari Nawaf | 6-4,6-1 |
| ITF M15 Doha | 2023/01/10 13:15 | Piotr Kusiewicz v Parikshit Somani | 7-6,6-4 |
| ITF M25 Maribor | 2022/09/06 12:10 | Pavel Nejedly v Piotr Kusiewicz | 6-1,6-1 |
| ITF M25 Szabolcsveresmart | 2022/08/30 08:00 | Dragos Dima v Piotr Kusiewicz | 6-0,6-3 |