Stadium: Court 4 Round: 25 Ground: Hardcourt outdoor
| ITF M25 Edwardsville | 2023/07/25 13:30 | Kenta Miyoshi v Gabrielius Guzauskas | 2-6,2-6 |
| ITF M25 Edwardsville | 2023/07/24 14:00 | Kenta Miyoshi v Oliver Okonkwo | 6-3,6-4 |
| ITF M25 Champaign | 2023/07/21 15:00 | Kenta Miyoshi v Naoki Nakagawa | 2-6,4-6 |
| ITF M25 Champaign | 2023/07/20 14:45 | Kenta Miyoshi v Cash Hanzlik | 6-3,3-6,6-2 |
| ITF M15 Santo Domingo | 2023/06/20 14:00 | Kenta Miyoshi v Ronald Hohmann | 6-3,1-6,2-6 |
| ITF M25 Daegu | 2023/06/07 03:00 | Kenta Miyoshi v Uisung Park | 5-7,3-6 |
| ITF M25 Daegu | 2023/06/05 06:10 | Kenta Miyoshi v Suk Ann | 6-4,6-3 |
| ITF M25 Daegu | 2023/06/04 01:00 | Kenta Miyoshi v Christian Heaney-Secord | 6-0,6-4 |
| ITF M25 Decatur | 2023/08/03 16:15 | Karlis Ozolins v Rafael Tosetto | 4-6,6-4,6-7 |
| ITF M25 Decatur | 2023/08/02 20:35 | Thomas Brown v Karlis Ozolins | 3-6,2-6 |
| ITF M25 Edwardsville | 2023/07/24 14:00 | Karlis Ozolins v Daniel Milavsky | 3-6,3-6 |
| ITF M25 Champaign | 2023/07/19 14:55 | Karlis Ozolins v Naoki Nakagawa | 3-6,0-6 |
| ITF M15 South Bend | 2023/06/22 17:35 | Strong Kirchheimer v Karlis Ozolins | 6-7,7-6,6-4 |
| ITF M15 South Bend | 2023/06/21 15:00 | John Chin v Karlis Ozolins | 1-6,3-6 |
| Davis Cup | 2023/02/05 13:35 | Karlis Ozolins v Daniel Cukierman | 7-6,2-6,4-6 |
| Davis Cup | 2023/02/04 10:00 | Karlis Ozolins v Edan Leshem | 6-0,6-3 |