Stadium: Court 1 Round: 27 Ground: Hardcourt outdoor
| 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 M15 Karuizawa | 2023/05/31 04:35 | Sora Fukuda v Kenta Miyoshi | 7-6,6-4 |
| ITF M15 Karuizawa | 2023/05/30 03:00 | Kenta Miyoshi v Luca Hesselmann | 6-1,6-2 |
| ITF M15 Karuizawa | 2023/05/28 01:15 | Kenta Miyoshi v Jun Ha Hyun | 6-2,6-3 |
| ITF M25 Champaign | 2023/07/19 14:55 | Karlis Ozolins v Naoki Nakagawa | 3-6,0-6 |
| ITF M25 Pensacola | 2023/05/18 18:55 | Naoki Nakagawa v Sekou Bangoura | 4-6,4-6 |
| ITF M25 Pensacola | 2023/05/17 16:15 | Naoki Nakagawa v Justin Lyons | 6-2,6-3 |
| Challenger Coquimbo | 2023/05/01 19:35 | Naoki Nakagawa v Pedro Boscardin Dias | 6-4,5-7,3-6 |
| Challenger Buenos Aires | 2023/04/23 13:00 | Naoki Nakagawa v Tomas Farjat | 1-6,6-4,6-7 |
| Challenger Morelos | 2023/04/18 16:30 | Naoki Nakagawa v Denis Yevseyev | 6-7,6-4,2-6 |
| Challenger Morelos | 2023/04/17 19:35 | Aidan Mchugh v Naoki Nakagawa | 3-6,3-6 |
| Challenger Morelos | 2023/04/16 19:15 | Luciano Doria v Naoki Nakagawa | 3-6,4-6 |