Stadium: Court 1 Round: 62 Ground: Clay
| ITF M25 Telfs | 2023/07/16 13:00 | Ondrej Horak v Elias Julian Werner | 6-4,7-5 |
| ITF M25 Poprad | 2023/06/19 08:00 | Ondrej Horak v Tomas Vaise | 4-6,4-6 |
| ITF M25 Poprad | 2023/06/18 08:00 | Ondrej Horak v Tomas Krcma | 6-2,6-2 |
| ITF M25 Jablonec Nad Nisou | 2023/05/31 13:50 | Evgeny Karlovskiy v Ondrej Horak | 7-6,6-2 |
| ITF M25 Jablonec Nad Nisou | 2023/05/30 07:55 | Thijmen Loof v Ondrej Horak | 6-7,3-6 |
| ITF M25 Jablonec Nad Nisou | 2023/05/28 09:00 | Vojtech Mares v Ondrej Horak | 5-7,0-6 |
| ITF M25 Most | 2023/05/22 09:00 | Victor Sklenka v Ondrej Horak | 2-6,7-5,10-4 |
| ITF M25 Most | 2023/05/21 10:30 | Nico Jaeger v Ondrej Horak | 5-7,4-6 |
| ITF M25 Telfs | 2023/07/16 07:00 | Leonardo Mazzucchelli v Maurus Malgiaritta | 4-6,1-6 |
| ITF M25 Klosters | 2023/07/02 14:30 | Raphael Baltensperger v Maurus Malgiaritta | 6-3,6-3 |
| ITF M15 Celje | 2023/06/28 13:05 | Maurus Malgiaritta v Jan Kupcic | 6-7,4-6 |
| ITF M15 Celje | 2023/06/27 08:45 | Josip Simundza v Maurus Malgiaritta | 2-6,6-7 |
| ITF M15 Celje | 2023/06/26 10:55 | Maurus Malgiaritta v Niklas Waldner | 6-4,6-4 |
| ITF M15 Store | 2023/06/20 07:55 | Maurus Malgiaritta v Dennis Dragomirov | 2-6,6-3,7-10 |
| ITF M15 Litija | 2023/06/14 09:40 | Miha Vetrih v Maurus Malgiaritta | 6-2,7-6 |
| ITF M15 Litija | 2023/06/13 07:00 | Tomas Jirousek v Maurus Malgiaritta | 6-4,6-2 |