Stadium: Court 10 Round: 26 Ground: Clay
| ITF M15 Pittsburgh | 2023/07/25 16:00 | Kousuke Ogura v Enrique Pena | 7-5,6-3 |
| ITF M15 Rochester | 2023/07/21 18:50 | Tyler Stice v Kousuke Ogura | 6-1,6-3 |
| ITF M15 Rochester | 2023/07/20 22:15 | Juan Sebastian Osorio v Kousuke Ogura | 3-6,1-6 |
| ITF M15 Lakewood | 2023/07/12 17:00 | Kousuke Ogura v Stefan Menichella | 6-4,6-7,2-6 |
| ITF M15 Irvine | 2023/06/28 17:00 | Kousuke Ogura v Lorenzo Claverie | 4-6,4-6 |
| ITF M15 Los Angeles | 2023/06/20 22:00 | Hudson Rivera v Kousuke Ogura | 6-3,6-4 |
| ITF M15 San Diego | 2023/06/14 16:50 | Kousuke Ogura v Lorenzo Claverie | 6-7,6-7 |
| ITF M15 San Diego | 2023/06/06 18:30 | Kousuke Ogura v Keegan Smith | 1-6,3-6 |
| ITF M15 Pittsburgh | 2023/07/25 16:00 | Evan Bynoe v Felix Corwin | 3-6,5-7 |
| ITF M25 The Hague | 2023/07/05 15:15 | Felix Corwin v Ryan Nijboer | 3-6,4-6 |
| ITF M25 The Hague | 2023/07/03 14:55 | Felix Corwin v Stijn Pel | 6-2,6-1 |
| ITF M25 The Hague | 2023/07/02 10:30 | Felix Corwin v Rik Muller | 6-2,6-3 |
| ITF M15 Kamen | 2023/06/28 16:45 | Hady Habib v Felix Corwin | 7-6,6-1 |
| ITF M15 Kamen | 2023/06/26 15:00 | Felix Corwin v Piet Steveker | 6-1,6-2 |
| ITF M15 Tanger | 2023/06/06 08:50 | Felix Corwin v Taym Alazmeh | 2-6,6-1,3-10 |
| ITF M15 Tanger | 2023/06/05 09:00 | Felix Corwin v Emilio Sanchez Bronzetti | 6-1,6-1 |