Stadium: Court 3 Round: 25 Ground: Hardcourt outdoor
| ITF - Canberra M25 | 2023/03/21 02:50 | Jordan Smith v Daisuke Sumizawa | 6-4,7-6 |
| ITF - Canberra M25 | 2023/03/14 00:20 | Dane Sweeny v Daisuke Sumizawa | 7-6,6-4 |
| ITF - Burnie M25 | 2023/02/08 05:20 | Daisuke Sumizawa v Luke Saville | 3-6,4-6 |
| Challenger Burnie | 2023/01/31 01:40 | Daisuke Sumizawa v Hiroki Moriya | 3-6,3-6 |
| Challenger Burnie | 2023/01/30 00:50 | Daisuke Sumizawa v Derek Pham | 6-4,3-6,6-3 |
| Challenger Burnie | 2023/01/29 03:55 | Daisuke Sumizawa v Zak Talic | 6-2,6-4 |
| Challenger Noumea | 2023/01/02 02:05 | Daisuke Sumizawa v Jeremy Jin | 7-6,3-6,5-7 |
| ITF - Tauranga M15 | 2022/12/20 21:00 | Daisuke Sumizawa v Derek Pham | 4-6,1-6 |
| Challenger Pune | 2023/02/28 08:00 | Makoto Ochi v Dimitar Kuzmanov | 7-5,6-7,2-6 |
| Challenger Pune | 2023/02/27 08:15 | Makoto Ochi v Carlos Sanchez Jover | 6-2,6-4 |
| Challenger Pune | 2023/02/26 10:30 | Calum Puttergill v Makoto Ochi | 1-6,2-6 |
| ITF - Burnie M25 | 2023/02/07 00:25 | Shinji Hazawa v Makoto Ochi | 6-3,6-1 |
| Challenger Burnie | 2023/01/31 02:05 | James Duckworth v Makoto Ochi | 6-1,6-4 |
| Challenger Nonthaburi | 2023/01/16 03:00 | Makoto Ochi v Stuart Parker | 6-7,6-7 |
| Challenger Nonthaburi | 2023/01/15 04:50 | Makoto Ochi v Maximus Jones | 6-3,6-3 |
| Challenger Yokkaichi | 2022/11/22 04:45 | Makoto Ochi v James Duckworth | 6-7,4-6 |