Stadium: Stadium Round: 62 Ground: Hardcourt outdoor
| ITF M15 Santo Domingo | 2023/11/13 15:00 | Ondrej Horak v Matvey Greschner | 6-3,6-1 |
| ITF M15 Santo Domingo | 2023/11/09 18:00 | 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 |
| ITF M25 Bielsko Biala | 2023/08/14 09:00 | Ondrej Horak v Samuel Paulovcak | 6-3,6-3 |
| ITF M15 Santo Domingo | 2023/11/13 15:00 | Breno Braga v Paul Spencer | 3-6,3-6 |
| ITF M15 Santo Domingo | 2023/11/12 13:00 | Jonathan Backman v Paul Spencer | 2-6,6-7 |
| UTR Pro Florida | 2023/10/05 14:00 | Benjamin Willwerth v Paul Spencer | 6-4,6-2 |
| UTR Pro Florida | 2023/10/04 15:00 | Antoine Cornut-Chauvinc v Paul Spencer | 6-2,6-2 |
| UTR Pro Florida | 2023/10/03 15:00 | Nicolas Acevedo v Paul Spencer | 6-2,6-2 |
| UTR Pro Florida | 2023/10/01 14:00 | Paul Spencer v Nikola Parichkov | 6-4,7-5 |
| ITF M15 Tacarigua | 2023/04/26 14:00 | Ezekiel Clark v Paul Spencer | 6-2,6-3 |
| ITF M15 Tacarigua | 2023/04/24 18:00 | Paul Spencer v Xavier Lawrence | 6-2,7-6 |