Stadium: Court 1N Round: 25 Ground: Hardcourt outdoor
| UTR Pro Knoxville | 2023/09/02 00:27 | Jose Garcia v Mitsui, Shunsuke | 7-6,6-2 |
| UTR Pro Knoxville | 2023/08/31 18:00 | Mitsui, Shunsuke v Tommy Czaplinski | 6-4,6-2 |
| UTR Pro Knoxville | 2023/08/29 19:46 | Mitsui, Shunsuke v Michael Zhu | 6-1,6-4 |
| UTR Pro Knoxville | 2023/08/27 20:13 | Nettles, Jibril v Mitsui, Shunsuke | 1-6,6-7 |
| ITF M25 Southaven | 2023/08/09 21:10 | Alex Rybakov v Mitsui, Shunsuke | 7-5,1-6,7-5 |
| ITF M25 Decatur | 2023/08/03 19:50 | Mitsui, Shunsuke v Hunter Heck | 0-6,2-6 |
| ITF M25 Decatur | 2023/08/03 13:55 | Mitsui, Shunsuke v Oliver Okonkwo | 7-6,6-4 |
| ITF M25 Edwardsville | 2023/07/29 14:00 | Aidan Mchugh v Mitsui, Shunsuke | 6-2,6-4 |
| ITF M25 Champaign | 2023/09/12 19:00 | Diaz Jalil, Angel v Ozolins, Karlis | 7-6,1-6,5-10 |
| ITF M25 Champaign | 2023/09/11 19:30 | Schifris, Jeremy v Ozolins, Karlis | 6-4,3-6,4-10 |
| ITF M25 Southaven | 2023/08/10 19:30 | Aidan Mchugh v Ozolins, Karlis | 6-2,6-1 |
| ITF M25 Southaven | 2023/08/08 18:30 | Kenta Miyoshi v Ozolins, Karlis | 6-7,1-6 |
| ITF M25 Decatur | 2023/08/03 16:15 | Ozolins, Karlis v Rafael Tosetto | 4-6,6-4,6-7 |
| ITF M25 Decatur | 2023/08/02 20:35 | Thomas Brown v Ozolins, Karlis | 3-6,2-6 |
| 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 |