Stadium: Court 2 Round: 25 Ground: Hardcourt outdoor
| ITF M15 Pittsburgh | 2023/07/26 14:00 | Samir Banerjee v Thomas Brown | 6-3,6-4 |
| Rochester, Singles M-ITF-USA-19A | 2023/07/19 14:30 | Ignacio Monzon v Thomas Brown | 6-0,6-7,7-5 |
| ITF - M25 Santo Domingo | 2023/06/28 17:10 | Baadi, Taha v Thomas Brown | 4-6,6-2,6-1 |
| ITF M15 Santo Domingo | 2023/06/22 13:30 | Stice, Tyler v Thomas Brown | 7-6,6-4 |
| ITF M15 Santo Domingo | 2023/06/20 18:00 | Thomas Brown v Elio Jose Ribeiro Lago | 6-4,6-2 |
| ITF - M25 Xalapa | 2023/05/17 00:50 | van Emburgh, Jake v Thomas Brown | 6-4,6-4 |
| ITF - M25 Xalapa | 2023/05/15 23:45 | Thomas Brown v Moceanu, Nikolas | 6-2,6-2 |
| ITF - M15 Orange Park | 2023/05/02 15:30 | Thomas Brown v Nanda, Govind | 6-7,6-2,3-6 |
| ITF M25 Edwardsville | 2023/07/24 14:00 | Ozolins, Karlis v Daniel Milavsky | 3-6,3-6 |
| ITF M25 Champaign | 2023/07/19 14:55 | Ozolins, Karlis v Naoki Nakagawa | 3-6,0-6 |
| ITF M15 South Bend | 2023/06/22 17:35 | Strong Kirchheimer v Ozolins, Karlis | 6-7,7-6,6-4 |
| ITF M15 South Bend | 2023/06/21 15:00 | John Chin v Ozolins, Karlis | 1-6,3-6 |
| Coupe Davis | 2023/02/05 13:35 | Ozolins, Karlis v Daniel Cukierman | 7-6,2-6,4-6 |
| Coupe Davis | 2023/02/04 10:00 | Ozolins, Karlis v Edan Leshem | 6-0,6-3 |
| ITF M25 Malibu | 2023/01/06 18:00 | Ozolins, Karlis v Strong Kirchheimer | 6-3,4-6,5-10 |
| ITF M25 Malibu | 2023/01/03 19:30 | Jacob Brumm v Ozolins, Karlis | 3-6,1-6 |