Stadium: Court 2 Round: 25 Ground: Hardcourt outdoor
| ITF M15 Santo Domingo | 2023/11/08 16:30 | Marcel Kamrowski v Ondrej Horak | 5-7,0-6 |
| ITF M15 Santo Domingo | 2023/11/14 13:00 | Enmanuel Munoz v Marcel Kamrowski | 3-6,2-6 |
| ITF M15 Santo Domingo | 2023/11/13 16:30 | Matteo Covato v Marcel Kamrowski | 3-6,0-6 |
| ITF M15 Santo Domingo | 2023/11/08 16:30 | Marcel Kamrowski v Ondrej Horak | 5-7,0-6 |
| ITF M25 Santo Domingo | 2023/11/07 13:00 | Gabriel Evans v Marcel Kamrowski | 4-6,5-7 |
| ITF M25 Santo Domingo | 2023/11/06 16:00 | Marcel Kamrowski v Abraham Asaba | 6-2,6-1 |
| ITF M25 Santo Domingo | 2023/11/05 16:30 | Marcel Kamrowski v Joe Misrahi | 6-4,6-3 |
| ITF M25 Harlingen | 2023/10/25 17:35 | Marcel Kamrowski v Luc Fomba | 2-6,1-6 |
| ITF M25 Harlingen | 2023/10/24 16:55 | Piotr Pawlak v Marcel Kamrowski | 0-6,6-7 |
| ITF M15 Santo Domingo | 2023/11/14 12:55 | Ondrej Horak v Paul Spencer | 6-1,6-2 |
| ITF M15 Santo Domingo | 2023/11/13 15:00 | Ondrej Horak v Matvey Greschner | 6-3,6-1 |
| ITF M15 Santo Domingo | 2023/11/10 14:00 | Ondrej Horak v Bruno Kuzuhara | 6-3,6-7,6-7 |
| ITF M15 Santo Domingo | 2023/11/08 16:30 | Marcel Kamrowski v Ondrej Horak | 5-7,0-6 |
| ITF M25 Santo Domingo | 2023/11/07 13:00 | Ondrej Horak v Jake Bhangdia | 6-3,6-2 |
| ITF M25 Santo Domingo | 2023/11/06 16:00 | Ondrej Horak v Yerry Zorrilla | 6-4,6-2 |
| ITF M25 Bielsko Biala | 2023/08/16 09:00 | Ondrej Horak v Olaf Pieczkowski | 6-3,1-6,0-6 |
| ITF M25 Bielsko Biala | 2023/08/14 14:00 | Ondrej Horak v Marcel Politowicz | 6-1,6-4 |