Stadium: Court 3 Round: 27 Ground: Clay
| ITF M25 Tainan | 2023/08/17 04:20 | Jesse Delaney v Alexander Chepik | 3-6,7-5,2-6 |
| ITF M25 Tainan | 2023/08/16 05:55 | Alexander Chepik v Kai-I Wang | 6-3,4-6,7-6 |
| ITF M25 Castelo Branco | 2023/07/19 08:30 | Tiago Torres v Alexander Chepik | 6-3,6-4 |
| ITF M25 Castelo Branco | 2023/07/17 08:30 | Alexander Chepik v Peter Alam | 6-7,2-6 |
| ITF M25 Castelo Branco | 2023/07/16 09:00 | Alexander Chepik v Rodrigo Beires | 6-4,6-3 |
| ITF M25 Uriage | 2023/07/12 07:00 | Ivan Denisov v Alexander Chepik | 6-2,7-6 |
| ITF M25 Uriage | 2023/07/10 08:00 | Alexander Chepik v Adrien Burdet | 6-4,7-5 |
| ITF M25 Uriage | 2023/07/10 07:00 | Alexander Chepik v Nicolas Colne | 7-5,6-4 |
| ITF M25 Tainan | 2023/08/17 02:00 | Tomohiro Masabayashi v Makoto Ochi | 6-7,1-6 |
| ITF M25 Tainan | 2023/08/15 04:45 | Koki Matsuda v Makoto Ochi | 3-6,7-5,4-6 |
| Challenger Lexington | 2023/07/31 15:40 | Yuki Mochizuki v Makoto Ochi | 6-4,6-2 |
| Challenger Lexington | 2023/07/30 15:55 | Calum Puttergill v Makoto Ochi | 1-6,3-6 |
| ITF M25 Edwardsville | 2023/07/26 14:00 | Makoto Ochi v Cooper Williams | 6-7,6-1,5-7 |
| ITF M25 Champaign | 2023/07/19 14:50 | Sebastian Gorzny v Makoto Ochi | 6-4,6-2 |
| ITF M25 Anseong | 2023/06/20 03:55 | Makoto Ochi v Taisei Ichikawa | 2-6,6-7 |
| ITF M25 Changwon | 2023/06/16 01:00 | Makoto Ochi v Sanhui Shin | 3-6,3-6 |