Stadium: Court 3 Round: 25 Ground: Hardcourt outdoor
| Challenger Noumea | 2023/01/02 02:05 | Daisuke Sumizawa v Jeremy Jin | 7-6,3-6,5-7 |
| ITF M15 Tauranga | 2022/12/20 21:00 | Daisuke Sumizawa v Derek Pham | 4-6,1-6 |
| ITF M15 Tauranga | 2022/12/19 21:00 | Daisuke Sumizawa v Finn Reynolds | 6-2,1-6,6-3 |
| ITF M15 Wellington | 2022/12/16 05:45 | Ajeet Rai v Daisuke Sumizawa | 6-3,5-7,6-1 |
| ITF M15 Wellington | 2022/12/16 02:25 | Corban Crowther v Daisuke Sumizawa | 4-6,1-6 |
| ITF M15 Wellington | 2022/12/14 01:05 | Rob Reynolds v Daisuke Sumizawa | 6-4,5-7,1-6 |
| Challenger Yokkaichi | 2022/11/20 01:00 | Daisuke Sumizawa v Yuki Mochizuki | 2-6,7-5,3-6 |
| Challenger Yokohama | 2022/10/31 01:30 | Taisei Ichikawa v Daisuke Sumizawa | 2-6,6-4,6-2 |
| Challenger Yokkaichi | 2022/11/22 04:45 | Makoto Ochi v James Duckworth | 6-7,4-6 |
| Challenger Yokkaichi | 2022/11/21 03:00 | Makoto Ochi v James Trotter | 7-6,2-6,7-6 |
| Challenger Kobe | 2022/11/13 04:15 | Makoto Ochi v Rimpei Kawakami | 4-6,6-3,2-6 |
| Challenger Matsuyama | 2022/11/07 01:00 | Shuichi Sekiguchi v Makoto Ochi | 7-5,7-5 |
| Challenger Matsuyama | 2022/11/06 03:50 | Savriyan Danilov v Makoto Ochi | 4-6,4-6 |
| Challenger Yokohama | 2022/10/30 04:55 | Makoto Ochi v Hikaru Shiraishi | 1-6,6-4,5-7 |
| Challenger Busan | 2022/10/17 02:00 | Maximilian Neuchrist v Makoto Ochi | 4-6,7-6,6-4 |
| Challenger Busan | 2022/10/16 01:30 | Yusuke Takahashi v Makoto Ochi | 3-6,1-6 |