Stadium: Court 2 Round: 54 Ground: Clay
| 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 |
| Czechia Extraliga | 2022/12/13 09:00 | Ondrej Horak v Marek Jaloviec | 3-6,4-5 |
| Czechia Extraliga | 2022/12/12 09:00 | David Poljak v Ondrej Horak | 6-4,6-1 |
| ITF M15 Santo Domingo | 2022/11/22 13:30 | Ondrej Horak v Shu Matsuoka | 6-4,6-3 |
| ITF M15 Santo Domingo | 2022/11/21 14:00 | Ondrej Horak v Janio Antonio Villanueva Quintana | 6-2,6-1 |
| ITF M15 East Lansing | 2022/11/16 18:00 | Emile Hudd v Ondrej Horak | 6-3,7-5 |
| ITF M25 East Lansing | 2022/11/15 15:00 | Ondrej Horak v Cameron Muller | 6-1,6-3 |
| ITF M25 Valldoreix | 2023/05/08 08:00 | Tomas Vaise v Anthony Genov | 6-2,4-6,15-17 |
| ITF M25 Valldoreix | 2023/05/07 11:30 | Tomas Vaise v David Munoz | 6-1,6-1 |
| ITF M25 Trnava | 2023/03/29 11:45 | Timo Stodder v Tomas Vaise | 5-7,6-3,6-2 |
| ITF M25 Trnava | 2023/03/28 09:50 | Tomas Vaise v Timofey Stepanov | 6-2,7-5 |
| ITF M25 Trnava | 2023/03/27 08:00 | Jakub Kroslak v Tomas Vaise | 6-7,3-6 |
| ITF M25 Portimao | 2023/03/15 15:05 | Tomas Vaise v Georgii Kravchenko | 2-6,3-6 |
| ITF M25 Portimao | 2023/03/14 11:10 | Kuzey Cekirge v Tomas Vaise | 6-3,2-6,9-11 |
| ITF M25 Portimao | 2023/03/13 14:20 | Gabriel Tacanho v Tomas Vaise | 1-6,0-6 |