Stadium: Court 1 Round: 54 Ground: Clay
| ITF M25 Jablonec Nad Nisou | 2023/05/29 10:30 | Lukas Janousek v Filip Apltauer | 7-5,2-6,12-10 |
| 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 Antalya | 2023/04/09 06:30 | Luciano Emanuel Ambrogi v Samuel Stolarik | 6-2,6-2 |
| ITF M15 Antalya | 2023/04/02 07:00 | Zekai Li v Samuel Stolarik | 6-3,6-2 |
| ITF M15 Antalya | 2023/03/27 11:50 | Samuel Stolarik v Dominik Kellovsky | 3-6,3-6 |