Stadium: Center Court Round: 29 Ground: Clay
| ITF M25 - Tainan | 2023/08/19 01:55 | Ergi Kirkin v Tsung-Hao Huang | 6-3,6-0 |
| ITF M25 - Tainan | 2023/08/18 02:00 | Ergi Kirkin v Bang Shuo Yin | 7-6,7-5 |
| ITF M25 - Tainan | 2023/08/17 02:00 | Ergi Kirkin v Naoki Tajima | 6-3,6-4 |
| ITF M25 - Tainan | 2023/08/16 02:00 | Ergi Kirkin v Issei Okamura | 6-0,6-2 |
| Challenger Meerbusch | 2023/08/10 13:05 | Ergi Kirkin v Camilo Ugo Carabelli | 1-6,4-6 |
| Challenger Meerbusch | 2023/08/09 09:55 | Ergi Kirkin v Rudolf Molleker | 6-4,7-6 |
| Challenger Meerbusch | 2023/08/07 15:00 | Ergi Kirkin v John Sperle | 7-6,6-3 |
| Challenger Meerbusch | 2023/08/06 15:40 | Ergi Kirkin v Marcelo Zormann | 6-3,6-1 |
| ITF M25 - Tainan | 2023/08/19 02:00 | Makoto Ochi v Kazuki Nishiwaki | 6-2,7-6 |
| ITF M25 - Tainan | 2023/08/18 01:55 | Alexander Chepik v Makoto Ochi | 3-6,1-6 |
| 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 | 6-6,5-1,5-6 |
| ITF M25 - Champaign | 2023/07/19 14:50 | Sebastian Gorzny v Makoto Ochi | 6-4,6-2 |