Stadium: Court 3 Round: 62 Ground: Hardcourt outdoor
| 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 M25 - Kramsach | 2023/07/23 07:00 | Serafin Zund v Ondrej Horak | 6-2,1-6,10-8 |
| ITF M15 - Tacarigua | 2023/04/23 20:30 | Alex Jones v Matvey Greschner | 6-4,6-4 |
| ITF M25 Santo Domingo Qual | 2023/02/19 14:00 | Jasel Beltre v Matvey Greschner | 4-6,7-5,10-6 |
| ITF M25 - Santo Domingo | 2023/02/12 20:00 | Emilio Andrea Segarelli v Matvey Greschner | 3-6,7-6,10-3 |
| ITF M15 - Santo Domingo | 2022/11/27 14:00 | Matvey Greschner v Sebastian Pino | 5-7,0-6 |
| ITF M15 - Santo Domingo | 2022/11/20 13:00 | Matvey Greschner v Ashwin Vaithianathan | 5-7,2-6 |
| ITF M25 - Saint-Augustin | 2022/10/24 16:50 | Matvey Greschner v Stefano Liokossis | 1-6,3-6 |