Stadium: Court 2 Round: 62 Ground: Clay
| ITF M25 Most | 2023/05/23 09:50 | Michael Agwi v Lukas Janousek | 6-1,6-3 |
| ITF M25 Most | 2023/05/21 08:00 | Sergo Sikharulidze v Lukas Janousek | 3-6,4-6 |
| ITF M15 Meerbusch | 2023/04/23 10:30 | Quin Verstegen v Lukas Janousek | 4-6,6-4,10-8 |
| ITF M25 Trnava | 2023/03/27 13:00 | Lukas Janousek v Piotr Kusiewicz | 4-6,1-6 |
| 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 M25 Jablonec Nad Nisou | 2023/05/28 10:30 | Victor Sklenka v Filip Apltauer | 2-6,4-6 |
| ITF M25 Prague | 2023/05/17 11:10 | Goncalo Oliveira v Filip Apltauer | 6-4,6-2 |
| ITF M25 Prague | 2023/05/16 07:55 | Illya Beloborodko v Filip Apltauer | 2-6,6-3,6-10 |
| ITF M25 Prague | 2023/05/14 08:30 | Ondrej Hujo v Filip Apltauer | 3-6,5-7 |
| ITF M15 Kish Island | 2023/03/17 09:50 | S D Prajwal Dev v Filip Apltauer | 7-6,4-6,6-3 |
| ITF M15 Kish Island | 2023/03/16 06:30 | Filip Apltauer v Sina Moghimi | 6-4,6-4 |
| ITF M15 Kish Island | 2023/03/14 11:05 | Filip Apltauer v Vladislav Ivanov | 3-6,7-5,6-3 |
| ITF M15 Kish Island | 2023/03/08 06:30 | Gergely Madarasz v Filip Apltauer | 3-6,6-3,7-6 |