Stadium: Court 4 Round: 25 Ground: Hardcourt outdoor
| ITF M25 Tainan | 2023/08/20 02:00 | Ergi Kirkin v Makoto Ochi | 6-0,6-2 |
| 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 | 6-7,6-1,5-7 |
| Challenger Stanford | 2023/08/13 21:40 | Mitchell Krueger v Jacob Brumm | 6-2,6-2 |
| ITF M25 Decatur | 2023/08/02 22:15 | Jacob Brumm v Alexander Kotzen | 3-6,1-6 |
| ITF M15 Pittsburgh | 2023/07/26 13:50 | Patrick Maloney v Jacob Brumm | 6-1,6-4 |
| ITF M25 Champaign | 2023/07/20 14:50 | Yuki Mochizuki v Jacob Brumm | 6-3,6-2 |
| ITF M25 Champaign | 2023/07/19 15:00 | Peter Bertran v Jacob Brumm | 2-6,6-2,3-6 |
| ITF M15 Lakewood | 2023/07/13 19:00 | Andre Ilagan v Jacob Brumm | 2-6,6-1,6-4 |
| ITF M15 Lakewood | 2023/07/12 22:05 | Ishaan Ravichander v Jacob Brumm | 2-6,1-6 |
| ITF M15 San Diego | 2023/06/11 21:30 | Jack Anthrop v Jacob Brumm | 6-7,3-6 |